gepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  527.711968]  ? warn_alloc+0x120/0x120
[  527.726522] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  527.731365]  ? print_usage_bug+0xc0/0xc0
[  527.740185] 274 total pagecache pages
[  527.743986]  ? warn_alloc+0x120/0x120
[  527.752554] 0 pages in swap cache
[  527.756613]  ? warn_alloc+0x120/0x120
[  527.760399] Swap cache stats: add 0, delete 0, find 0/0
[  527.764196]  ? print_usage_bug+0xc0/0xc0
[  527.767633] Free swap  = 0kB
[  527.771439]  ? kvm_clock_read+0x18/0x30
[  527.776784] Total swap = 0kB
[  527.780846]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  527.783851] 1965979 pages RAM
[  527.787830]  ? print_usage_bug+0xc0/0xc0
[  527.790832] 0 pages HighMem/MovableOnly
[  527.795847]  ? __lock_acquire+0x62f/0x4c20
[  527.798936] 342854 pages reserved
[  527.803020]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  527.806983] 0 pages cma reserved
[  527.811232]  ? should_fail+0x22d/0xd01
[  527.814736] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  527.820207]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  527.820228]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  527.820245]  ? __lock_acquire+0x62f/0x4c20
[  527.823850] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  527.827517]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  527.833999] syz-fuzzer cpuset=/ mems_allowed=0
[  527.839277]  ? __lock_acquire+0x62f/0x4c20
[  527.872735]  ? should_fail+0x22d/0xd01
[  527.876636]  ? rcu_irq_exit+0x1a2/0x390
[  527.880636]  ? mark_held_locks+0x130/0x130
[  527.884891]  ? mark_held_locks+0x130/0x130
[  527.889139]  ? perf_trace_lock+0x14d/0x7a0
[  527.893394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  527.898946]  ? check_preemption_disabled+0x48/0x280
[  527.903972]  ? zap_class+0x640/0x640
[  527.907705]  ? debug_smp_processor_id+0x1c/0x20
[  527.912386]  ? perf_trace_lock+0x14d/0x7a0
[  527.916631]  ? check_preemption_disabled+0x48/0x280
[  527.921664]  ? lock_is_held_type+0x210/0x210
[  527.926091]  ? __lock_is_held+0xb5/0x140
[  527.930170]  __alloc_pages_nodemask+0xad8/0xea0
[  527.934853]  ? zap_class+0x640/0x640
[  527.938589]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  527.943632]  ? find_held_lock+0x36/0x1c0
[  527.947715]  ? ____cache_alloc_node+0x1c7/0x1e0
[  527.952395]  ? lock_downgrade+0x900/0x900
[  527.956568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  527.962122]  cache_grow_begin+0xa5/0x8c0
[  527.966193]  ? do_raw_spin_unlock+0xa7/0x330
[  527.970625]  fallback_alloc+0x204/0x2e0
[  527.974621]  ____cache_alloc_node+0x1c7/0x1e0
[  527.979136]  kmem_cache_alloc_node+0xe3/0x730
[  527.983645]  ? ipv6_get_ifaddr+0x42e/0x620
[  527.987903]  __alloc_skb+0x119/0x770
[  527.991629]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  527.996925]  ? netdev_alloc_frag+0x1f0/0x1f0
[  528.001345]  ? lock_downgrade+0x900/0x900
[  528.005535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.011084]  ? refcount_sub_and_test_checked+0x203/0x310
[  528.016554]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  528.022021]  ? addrconf_rs_timer+0x690/0x690
[  528.026458]  ndisc_alloc_skb+0x144/0x340
[  528.030557]  ndisc_send_rs+0x331/0x6e0
[  528.034464]  addrconf_rs_timer+0x314/0x690
[  528.038734]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  528.042990]  call_timer_fn+0x272/0x920
[  528.046892]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  528.051140]  ? process_timeout+0x40/0x40
[  528.055219]  ? __run_timers+0x7da/0xc70
[  528.059209]  ? _raw_spin_unlock_irq+0x27/0x80
[  528.063710]  ? _raw_spin_unlock_irq+0x27/0x80
[  528.068212]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  528.072457]  ? lockdep_hardirqs_on+0x296/0x5b0
[  528.077072]  ? trace_hardirqs_on+0xbd/0x310
[  528.081425]  ? kasan_check_read+0x11/0x20
[  528.085583]  ? __run_timers+0x7da/0xc70
[  528.089569]  ? trace_hardirqs_off_caller+0x310/0x310
[  528.094689]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  528.098944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  528.103189]  __run_timers+0x7e5/0xc70
[  528.107021]  ? timer_fixup_init+0x70/0x70
[  528.111181]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  528.116303]  ? zap_class+0x640/0x640
[  528.120031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.125584]  ? check_preemption_disabled+0x48/0x280
[  528.130618]  ? debug_smp_processor_id+0x1c/0x20
[  528.135295]  ? perf_trace_lock+0x14d/0x7a0
[  528.139552]  ? find_held_lock+0x36/0x1c0
[  528.143632]  ? zap_class+0x640/0x640
[  528.147366]  ? pvclock_read_flags+0x160/0x160
[  528.151880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.157432]  ? check_preemption_disabled+0x48/0x280
[  528.162469]  ? __lock_is_held+0xb5/0x140
[  528.166567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.172118]  ? check_preemption_disabled+0x48/0x280
[  528.177152]  run_timer_softirq+0x52/0xb0
[  528.181227]  ? rcu_read_lock_sched_held+0x14f/0x180
[  528.186256]  __do_softirq+0x308/0xb7e
[  528.190072]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  528.194579]  ? lock_downgrade+0x900/0x900
[  528.198742]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  528.203868]  ? pvclock_read_flags+0x160/0x160
[  528.208380]  ? lapic_next_event+0x5a/0x90
[  528.212547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.218104]  ? kvm_clock_read+0x18/0x30
[  528.222088]  ? kvm_sched_clock_read+0x9/0x20
[  528.226532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.232085]  ? check_preemption_disabled+0x48/0x280
[  528.237126]  irq_exit+0x17f/0x1c0
[  528.240593]  smp_apic_timer_interrupt+0x1cb/0x760
[  528.245442]  ? smp_reschedule_interrupt+0x109/0x650
[  528.250470]  ? smp_call_function_single_interrupt+0x650/0x650
[  528.256385]  ? interrupt_entry+0xb5/0xc0
[  528.260460]  ? trace_hardirqs_off_caller+0xbb/0x310
[  528.265524]  ? trace_hardirqs_off_caller+0xbb/0x310
[  528.270555]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  528.275411]  ? trace_hardirqs_on_caller+0x310/0x310
[  528.280441]  ? trace_hardirqs_on_caller+0x310/0x310
[  528.285472]  ? task_prio+0x50/0x50
[  528.289047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.294597]  ? check_preemption_disabled+0x48/0x280
[  528.299632]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  528.304515]  apic_timer_interrupt+0xf/0x20
[  528.308759]  </IRQ>
[  528.311017] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  528.315959] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  528.334872] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  528.342593] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  528.349873] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  528.357166] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  528.364445] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  528.371722] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  528.379074]  skb_clone+0x1bb/0x500
[  528.382633]  ? skb_split+0x11e0/0x11e0
[  528.386553]  ? debug_smp_processor_id+0x1c/0x20
[  528.391233]  ? perf_trace_lock+0x14d/0x7a0
[  528.395473]  ? __switch_to_asm+0x34/0x70
[  528.399566]  ? __switch_to_asm+0x40/0x70
[  528.403636]  ? __switch_to_asm+0x40/0x70
[  528.407709]  ? __switch_to_asm+0x34/0x70
[  528.411789]  bpf_clone_redirect+0xb9/0x490
[  528.416044]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  528.420986]  ? __sched_text_start+0x8/0x8
[  528.425167]  ? find_held_lock+0x36/0x1c0
[  528.429247]  ? lock_acquire+0x1ed/0x520
[  528.433232]  ? bpf_test_run+0x3cb/0x780
[  528.437221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.442772]  ? check_preemption_disabled+0x48/0x280
[  528.447808]  ? kasan_check_read+0x11/0x20
[  528.451964]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  528.457254]  ? rcu_softirq_qs+0x20/0x20
[  528.461242]  ? preempt_schedule+0x4d/0x60
[  528.465406]  ? ___preempt_schedule+0x16/0x18
[  528.469833]  ? bpf_test_run+0x25d/0x780
[  528.473835]  ? netlink_diag_dump+0x2a0/0x2a0
[  528.478262]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  528.483817]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  528.488598]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  528.493448]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  528.499018]  ? fput+0x130/0x1a0
[  528.502317]  ? __bpf_prog_get+0x9b/0x290
[  528.506394]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  528.511250]  ? bpf_prog_test_run+0x130/0x1a0
[  528.515674]  ? __x64_sys_bpf+0x3d8/0x520
[  528.519749]  ? bpf_prog_get+0x20/0x20
[  528.523587]  ? do_syscall_64+0x1b9/0x820
[  528.527659]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  528.533037]  ? syscall_return_slowpath+0x5e0/0x5e0
[  528.537975]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  528.542837]  ? trace_hardirqs_on_caller+0x310/0x310
[  528.547864]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  528.552894]  ? prepare_exit_to_usermode+0x291/0x3b0
[  528.557931]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  528.562798]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  528.568194] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  528.568265] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  528.575266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  528.575275] Call Trace:
[  528.581987] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  528.591110]  <IRQ>
[  528.591130]  dump_stack+0x244/0x39d
[  528.591150]  ? dump_stack_print_info.cold.1+0x20/0x20
[  528.594013] syz-executor4 cpuset=syz4 mems_allowed=0
[  528.604536]  warn_alloc.cold.116+0xb7/0x1bd
[  528.625047]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  528.629906]  ? lock_downgrade+0x900/0x900
[  528.634074]  ? trace_hardirqs_off+0xb8/0x310
[  528.638521]  ? trace_hardirqs_off+0xb8/0x310
[  528.642957]  __alloc_pages_slowpath+0x2651/0x2de0
[  528.647844]  ? warn_alloc+0x120/0x120
[  528.651666]  ? warn_alloc+0x120/0x120
[  528.655503]  ? warn_alloc+0x120/0x120
[  528.659322]  ? print_usage_bug+0xc0/0xc0
[  528.663391]  ? perf_trace_lock+0x14d/0x7a0
[  528.667643]  ? print_usage_bug+0xc0/0xc0
[  528.671728]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  528.677277]  ? should_fail+0x22d/0xd01
[  528.681183]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  528.686301]  ? __lock_acquire+0x62f/0x4c20
[  528.690557]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  528.695668]  ? __lock_acquire+0x62f/0x4c20
[  528.699913]  ? should_fail+0x22d/0xd01
[  528.703826]  ? mark_held_locks+0x130/0x130
[  528.708080]  ? mark_held_locks+0x130/0x130
[  528.712327]  ? try_to_wake_up+0x11c/0x1490
[  528.716579]  ? lock_downgrade+0x900/0x900
[  528.720740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.726290]  ? check_preemption_disabled+0x48/0x280
[  528.731315]  ? zap_class+0x640/0x640
[  528.735048]  ? debug_smp_processor_id+0x1c/0x20
[  528.739727]  ? perf_trace_lock+0x14d/0x7a0
[  528.743977]  ? check_preemption_disabled+0x48/0x280
[  528.749013]  ? lock_is_held_type+0x210/0x210
[  528.753434]  ? __lock_is_held+0xb5/0x140
[  528.757535]  __alloc_pages_nodemask+0xad8/0xea0
[  528.762215]  ? zap_class+0x640/0x640
[  528.765954]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  528.771017]  ? find_held_lock+0x36/0x1c0
[  528.775101]  ? ____cache_alloc_node+0x1c7/0x1e0
[  528.779784]  ? lock_downgrade+0x900/0x900
[  528.783954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.789528]  cache_grow_begin+0xa5/0x8c0
[  528.793601]  ? do_raw_spin_unlock+0xa7/0x330
[  528.798032]  fallback_alloc+0x204/0x2e0
[  528.802025]  ____cache_alloc_node+0x1c7/0x1e0
[  528.806554]  kmem_cache_alloc_node+0xe3/0x730
[  528.811063]  ? ipv6_get_ifaddr+0x42e/0x620
[  528.815321]  __alloc_skb+0x119/0x770
[  528.819043]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  528.824338]  ? netdev_alloc_frag+0x1f0/0x1f0
[  528.828756]  ? lock_downgrade+0x900/0x900
[  528.832922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.838474]  ? refcount_sub_and_test_checked+0x203/0x310
[  528.843965]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  528.849439]  ? addrconf_rs_timer+0x690/0x690
[  528.854048]  ndisc_alloc_skb+0x144/0x340
[  528.858125]  ndisc_send_rs+0x331/0x6e0
[  528.862074]  addrconf_rs_timer+0x314/0x690
[  528.866329]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  528.870590]  call_timer_fn+0x272/0x920
[  528.874510]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  528.878758]  ? process_timeout+0x40/0x40
[  528.882840]  ? mark_held_locks+0xc7/0x130
[  528.886999]  ? _raw_spin_unlock_irq+0x27/0x80
[  528.891526]  ? _raw_spin_unlock_irq+0x27/0x80
[  528.896031]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  528.900275]  ? lockdep_hardirqs_on+0x296/0x5b0
[  528.904872]  ? trace_hardirqs_on+0xbd/0x310
[  528.909203]  ? kasan_check_read+0x11/0x20
[  528.913358]  ? __run_timers+0x7da/0xc70
[  528.917344]  ? trace_hardirqs_off_caller+0x310/0x310
[  528.922475]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  528.926745]  __run_timers+0x7e5/0xc70
[  528.930571]  ? timer_fixup_init+0x70/0x70
[  528.934733]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  528.939760]  ? zap_class+0x640/0x640
[  528.943509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.949063]  ? print_usage_bug+0xc0/0xc0
[  528.953142]  ? debug_smp_processor_id+0x1c/0x20
[  528.957822]  ? perf_trace_lock+0x14d/0x7a0
[  528.962077]  ? find_held_lock+0x36/0x1c0
[  528.966158]  ? zap_class+0x640/0x640
[  528.969903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.975450]  ? check_preemption_disabled+0x48/0x280
[  528.980531]  ? __lock_is_held+0xb5/0x140
[  528.984609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  528.990159]  ? check_preemption_disabled+0x48/0x280
[  528.995201]  run_timer_softirq+0x52/0xb0
[  528.999275]  ? rcu_read_lock_sched_held+0x14f/0x180
[  529.004307]  __do_softirq+0x308/0xb7e
[  529.008126]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  529.013153]  ? lock_downgrade+0x900/0x900
[  529.017320]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  529.022443]  ? pvclock_read_flags+0x160/0x160
[  529.026958]  ? lapic_next_event+0x5a/0x90
[  529.031137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.036698]  ? kvm_clock_read+0x18/0x30
[  529.040683]  ? kvm_sched_clock_read+0x9/0x20
[  529.045108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.050664]  ? check_preemption_disabled+0x48/0x280
[  529.055705]  irq_exit+0x17f/0x1c0
[  529.059170]  smp_apic_timer_interrupt+0x1cb/0x760
[  529.064023]  ? smp_reschedule_interrupt+0x109/0x650
[  529.069056]  ? smp_call_function_single_interrupt+0x650/0x650
[  529.074952]  ? interrupt_entry+0xb5/0xc0
[  529.079029]  ? trace_hardirqs_off_caller+0xbb/0x310
[  529.084057]  ? trace_hardirqs_off_caller+0xbb/0x310
[  529.089086]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  529.093943]  ? trace_hardirqs_on_caller+0x310/0x310
[  529.098970]  ? trace_hardirqs_on_caller+0x310/0x310
[  529.103998]  ? task_prio+0x50/0x50
[  529.107557]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  529.113110]  ? check_preemption_disabled+0x48/0x280
[  529.118148]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  529.123013]  apic_timer_interrupt+0xf/0x20
[  529.127251]  </IRQ>
[  529.129519] RIP: 0010:console_unlock+0x102f/0x1190
[  529.134464] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  529.153616] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  529.161423] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  529.168703] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  529.175981] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  529.183260] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  529.190538] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  529.197829]  ? netconsole_netdev_event+0x280/0x280
[  529.202775]  ? console_unlock+0x1026/0x1190
[  529.207131]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  529.211808]  ? vprintk_emit+0x846/0x990
[  529.215796]  ? lock_release+0xa00/0xa00
[  529.219783]  ? trace_hardirqs_on+0x30/0x310
[  529.224116]  ? vprintk_default+0x28/0x30
[  529.228190]  ? trace_hardirqs_off_caller+0x310/0x310
[  529.233307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.238865]  vprintk_emit+0x391/0x990
[  529.242688]  ? wake_up_klogd+0x180/0x180
[  529.246772]  ? find_held_lock+0x31/0x1c0
[  529.250859]  ? mark_held_locks+0xc7/0x130
[  529.255023]  ? _raw_spin_unlock_irq+0x27/0x80
[  529.259537]  ? _raw_spin_unlock_irq+0x27/0x80
[  529.264049]  vprintk_default+0x28/0x30
[  529.267946]  vprintk_func+0x7e/0x181
[  529.271675]  printk+0xa7/0xcf
[  529.274792]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  529.279562]  ? _raw_spin_unlock_irq+0x60/0x80
[  529.284085]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  529.289384]  dump_header+0x7cc/0xf72
[  529.293115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.298668]  ? check_preemption_disabled+0x48/0x280
[  529.303698]  ? pagefault_out_of_memory+0x197/0x197
[  529.308637]  ? debug_smp_processor_id+0x1c/0x20
[  529.313318]  ? perf_trace_lock+0x14d/0x7a0
[  529.317742]  ? mark_held_locks+0x130/0x130
[  529.321993]  ? lock_is_held_type+0x210/0x210
[  529.326422]  ? debug_smp_processor_id+0x1c/0x20
[  529.331106]  ? zap_class+0x640/0x640
[  529.334835]  ? lock_is_held_type+0x210/0x210
[  529.339253]  ? perf_trace_lock+0x14d/0x7a0
[  529.343523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.349078]  ? find_held_lock+0x36/0x1c0
[  529.353163]  ? mark_held_locks+0xc7/0x130
[  529.357323]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  529.362436]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  529.367554]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  529.372151]  ? trace_hardirqs_on+0xbd/0x310
[  529.376505]  ? kasan_check_read+0x11/0x20
[  529.380671]  ? ___ratelimit+0x3b4/0x672
[  529.384656]  ? trace_hardirqs_off_caller+0x310/0x310
[  529.389773]  ? trace_hardirqs_on+0x310/0x310
[  529.394198]  ? lock_downgrade+0x900/0x900
[  529.398364]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  529.403502]  ? ___ratelimit+0x3b9/0x672
[  529.407514]  ? idr_get_free+0xf70/0xf70
[  529.411522]  ? lock_is_held_type+0x210/0x210
[  529.415952]  oom_kill_process.cold.27+0x10/0x903
[  529.420723]  ? zap_class+0x640/0x640
[  529.424448]  ? _raw_spin_unlock+0x2c/0x50
[  529.428626]  ? oom_badness+0xe6/0xaa0
[  529.432448]  ? oom_evaluate_task+0x540/0x540
[  529.436892]  ? find_held_lock+0x36/0x1c0
[  529.441033]  ? out_of_memory+0x974/0x1430
[  529.445197]  ? lock_downgrade+0x900/0x900
[  529.449355]  ? check_preemption_disabled+0x48/0x280
[  529.454388]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  529.459331]  ? kasan_check_read+0x11/0x20
[  529.463515]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  529.468807]  ? rcu_softirq_qs+0x20/0x20
[  529.472802]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  529.477829]  ? oom_evaluate_task+0x302/0x540
[  529.482251]  out_of_memory+0xa84/0x1430
[  529.486247]  ? oom_killer_disable+0x3a0/0x3a0
[  529.490754]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  529.495700]  ? __ww_mutex_check_waiters+0x160/0x160
[  529.500739]  __alloc_pages_slowpath+0x232c/0x2de0
[  529.505631]  ? warn_alloc+0x120/0x120
[  529.509442]  ? mark_held_locks+0x130/0x130
[  529.513697]  ? find_get_entry+0xaae/0x1120
[  529.517954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.523526]  ? check_preemption_disabled+0x48/0x280
[  529.528554]  ? filemap_map_pages+0x1a20/0x1a20
[  529.533152]  ? debug_smp_processor_id+0x1c/0x20
[  529.537835]  ? perf_trace_lock+0x14d/0x7a0
[  529.542093]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  529.547643]  ? should_fail+0x22d/0xd01
[  529.551551]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  529.556673]  ? zap_class+0x640/0x640
[  529.560425]  ? __lock_is_held+0xb5/0x140
[  529.564527]  ? mark_held_locks+0x130/0x130
[  529.568781]  ? lock_release+0xa00/0xa00
[  529.572767]  ? perf_trace_sched_process_exec+0x860/0x860
[  529.578229]  ? xa_load+0x2ba/0x460
[  529.581783]  ? lock_downgrade+0x900/0x900
[  529.585951]  ? __might_sleep+0x95/0x190
[  529.589944]  __alloc_pages_nodemask+0xad8/0xea0
[  529.594634]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  529.599667]  ? __page_cache_alloc+0x191/0x5c0
[  529.604169]  ? xa_load+0x2e1/0x460
[  529.607721]  ? xa_clear_mark+0x40/0x40
[  529.611620]  ? zap_class+0x640/0x640
[  529.615356]  ? zap_class+0x640/0x640
[  529.619079]  ? zap_class+0x640/0x640
[  529.622818]  ? __do_page_cache_readahead+0x663/0x810
[  529.627943]  ? find_held_lock+0x36/0x1c0
[  529.632021]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  529.637608]  alloc_pages_current+0x173/0x350
[  529.642033]  __page_cache_alloc+0x38c/0x5c0
[  529.646366]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  529.651306]  ? kasan_check_read+0x11/0x20
[  529.655465]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  529.660778]  ? generic_perform_write+0x6a0/0x6a0
[  529.665546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  529.671117]  ? check_preemption_disabled+0x48/0x280
[  529.676155]  filemap_fault+0x1595/0x25f0
[  529.680243]  ? __lock_page_or_retry+0xa00/0xa00
[  529.684938]  ? mark_held_locks+0x130/0x130
[  529.689198]  ? filemap_map_pages+0xd6b/0x1a20
[  529.693754]  ? lock_downgrade+0x900/0x900
[  529.697916]  ? check_preemption_disabled+0x48/0x280
[  529.702947]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  529.707889]  ? kasan_check_read+0x11/0x20
[  529.712049]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  529.717338]  ? rcu_softirq_qs+0x20/0x20
[  529.721335]  ? filemap_map_pages+0xd92/0x1a20
[  529.725856]  ? find_get_entries_tag+0x1400/0x1400
[  529.730712]  ? debug_object_destroy+0x2b0/0x2b0
[  529.735397]  ? lock_pi_update_atomic+0x150/0x150
[  529.740162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  529.745726]  ? lock_acquire+0x1ed/0x520
[  529.749715]  ? ext4_filemap_fault+0x7a/0xad
[  529.754054]  ? lock_release+0xa00/0xa00
[  529.758053]  ? perf_trace_sched_process_exec+0x860/0x860
[  529.763540]  ? print_usage_bug+0xc0/0xc0
[  529.767620]  ? print_usage_bug+0xc0/0xc0
[  529.771709]  ? down_read+0x8d/0x120
[  529.775346]  ? ext4_filemap_fault+0x7a/0xad
[  529.779685]  ? __down_interruptible+0x700/0x700
[  529.784377]  ext4_filemap_fault+0x82/0xad
[  529.788548]  __do_fault+0x100/0x6b0
[  529.792192]  ? pmd_devmap_trans_unstable+0x220/0x220
[  529.797312]  ? mark_held_locks+0x130/0x130
[  529.801564]  ? mark_held_locks+0x130/0x130
[  529.805816]  ? debug_smp_processor_id+0x1c/0x20
[  529.810520]  ? perf_trace_lock+0x14d/0x7a0
[  529.814769]  ? lock_downgrade+0x900/0x900
[  529.818932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  529.824509]  __handle_mm_fault+0x3ea0/0x5be0
[  529.828946]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  529.833803]  ? lock_is_held_type+0x210/0x210
[  529.838225]  ? file_remove_privs+0x540/0x540
[  529.842640]  ? file_remove_privs+0x540/0x540
[  529.847078]  ? zap_class+0x640/0x640
[  529.850804]  ? zap_class+0x640/0x640
[  529.854537]  ? __x64_sys_futex+0x53e/0x6a0
[  529.858787]  ? find_held_lock+0x36/0x1c0
[  529.862873]  ? handle_mm_fault+0x42a/0xc70
[  529.867142]  ? lock_downgrade+0x900/0x900
[  529.871302]  ? check_preemption_disabled+0x48/0x280
[  529.876377]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  529.881317]  ? kasan_check_read+0x11/0x20
[  529.885476]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  529.890786]  ? rcu_softirq_qs+0x20/0x20
[  529.894770]  ? trace_hardirqs_off_caller+0x310/0x310
[  529.899972]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  529.905540]  ? check_preemption_disabled+0x48/0x280
[  529.910582]  handle_mm_fault+0x54f/0xc70
[  529.914662]  ? __handle_mm_fault+0x5be0/0x5be0
[  529.919264]  ? find_vma+0x34/0x190
[  529.922823]  __do_page_fault+0x5e8/0xe60
[  529.926896]  ? trace_hardirqs_off+0xb8/0x310
[  529.931330]  do_page_fault+0xf2/0x7e0
[  529.935141]  ? vmalloc_sync_all+0x30/0x30
[  529.939304]  ? error_entry+0x70/0xd0
[  529.943028]  ? trace_hardirqs_off_caller+0xbb/0x310
[  529.948053]  ? trace_hardirqs_on_caller+0xc0/0x310
[  529.952993]  ? syscall_return_slowpath+0x5e0/0x5e0
[  529.957931]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  529.962786]  ? trace_hardirqs_on_caller+0x310/0x310
[  529.967814]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  529.973328]  ? prepare_exit_to_usermode+0x291/0x3b0
[  529.978354]  ? page_fault+0x8/0x30
[  529.981909]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  529.986765]  ? page_fault+0x8/0x30
[  529.990319]  page_fault+0x1e/0x30
[  529.993785] RIP: 0033:0x45ddf3
[  529.997003] Code: Bad RIP value.
[  530.000376] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  530.005750] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  530.013025] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  530.020304] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  530.027583] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  530.034860] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  530.042174] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  530.042181] warn_alloc_show_mem: 1 callbacks suppressed
[  530.042188] Mem-Info:
[  530.049560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  530.054936] active_anon:147110 inactive_anon:190 isolated_anon:0
[  530.054936]  active_file:13 inactive_file:13 isolated_file:2
[  530.054936]  unevictable:1 dirty:0 writeback:0 unstable:0
[  530.054936]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  530.054936]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  530.054936]  free:13705 free_pcp:247 free_cma:0
[  530.057319] Call Trace:
[  530.066715] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  530.099744]  <IRQ>
[  530.102326] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  530.129874]  dump_stack+0x244/0x39d
[  530.132009] lowmem_reserve[]: 0 2818 6321 6321
[  530.158124]  ? dump_stack_print_info.cold.1+0x20/0x20
[  530.161733] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  530.166328]  warn_alloc.cold.116+0xb7/0x1bd
[  530.171509] lowmem_reserve[]: 0 0 3503 3503
[  530.199187]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  530.203512] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  530.207852]  ? lock_downgrade+0x900/0x900
[  530.212676] lowmem_reserve[]: 0 0 0 0
[  530.241574]  ? trace_hardirqs_off+0xb8/0x310
[  530.245701] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  530.249525]  ? trace_hardirqs_off+0xb8/0x310
[  530.253914] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  530.267450]  __alloc_pages_slowpath+0x2651/0x2de0
[  530.271836] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  530.286952]  ? warn_alloc+0x120/0x120
[  530.291762] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  530.306327]  ? warn_alloc+0x120/0x120
[  530.310116] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  530.318947]  ? zap_class+0x640/0x640
[  530.322731] 274 total pagecache pages
[  530.331311]  ? warn_alloc+0x120/0x120
[  530.335032] 0 pages in swap cache
[  530.338827]  ? print_usage_bug+0xc0/0xc0
[  530.342622] Swap cache stats: add 0, delete 0, find 0/0
[  530.346074]  ? print_usage_bug+0xc0/0xc0
[  530.350118] Free swap  = 0kB
[  530.355503]  ? check_usage_forwards+0x3d0/0x3d0
[  530.359551] Total swap = 0kB
[  530.362577]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  530.367228] 1965979 pages RAM
[  530.370254]  ? should_fail+0x22d/0xd01
[  530.375775] 0 pages HighMem/MovableOnly
[  530.378882]  ? __bfs+0x321/0x780
[  530.382759] 342854 pages reserved
[  530.386737]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  530.390087] 0 pages cma reserved
[  530.393546]  ? __lock_acquire+0x62f/0x4c20
[  530.398695] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  530.402009]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  530.406324] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  530.412727]  ? __lock_acquire+0x62f/0x4c20
[  530.417820] syz-fuzzer cpuset=/ mems_allowed=0
[  530.428044]  ? should_fail+0x22d/0xd01
[  530.440740]  ? mark_held_locks+0x130/0x130
[  530.445071]  ? mark_held_locks+0x130/0x130
[  530.449325]  ? kasan_check_read+0x11/0x20
[  530.453505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  530.459062]  ? check_preemption_disabled+0x48/0x280
[  530.464085]  ? zap_class+0x640/0x640
[  530.467819]  ? debug_smp_processor_id+0x1c/0x20
[  530.472516]  ? perf_trace_lock+0x14d/0x7a0
[  530.476763]  ? check_preemption_disabled+0x48/0x280
[  530.481800]  ? lock_is_held_type+0x210/0x210
[  530.486220]  ? __lock_is_held+0xb5/0x140
[  530.490304]  __alloc_pages_nodemask+0xad8/0xea0
[  530.495006]  ? zap_class+0x640/0x640
[  530.498743]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  530.503783]  ? find_held_lock+0x36/0x1c0
[  530.507871]  ? ____cache_alloc_node+0x1c7/0x1e0
[  530.512554]  ? lock_downgrade+0x900/0x900
[  530.516722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  530.522280]  cache_grow_begin+0xa5/0x8c0
[  530.526356]  ? do_raw_spin_unlock+0xa7/0x330
[  530.530787]  fallback_alloc+0x204/0x2e0
[  530.534779]  ____cache_alloc_node+0x1c7/0x1e0
[  530.539292]  kmem_cache_alloc_node+0xe3/0x730
[  530.543803]  ? do_raw_spin_trylock+0x270/0x270
[  530.548404]  __alloc_skb+0x119/0x770
[  530.552134]  ? netdev_alloc_frag+0x1f0/0x1f0
[  530.556554]  ? atomic_notifier_call_chain+0xc6/0x190
[  530.561670]  ? lock_downgrade+0x900/0x900
[  530.565827]  ? check_preemption_disabled+0x48/0x280
[  530.570857]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  530.575799]  ? kasan_check_read+0x11/0x20
[  530.579960]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  530.585295]  ? rcu_softirq_qs+0x20/0x20
[  530.589283]  ? kasan_check_read+0x11/0x20
[  530.593444]  ? do_raw_write_trylock+0x270/0x270
[  530.598167]  __neigh_notify+0x8c/0x160
[  530.602074]  ? neigh_connected_output+0x780/0x780
[  530.606936]  neigh_timer_handler+0x6cb/0xdf0
[  530.611356]  ? check_preemption_disabled+0x48/0x280
[  530.616391]  ? neigh_periodic_work+0xc60/0xc60
[  530.620989]  ? __lock_is_held+0xb5/0x140
[  530.625085]  call_timer_fn+0x272/0x920
[  530.628983]  ? neigh_periodic_work+0xc60/0xc60
[  530.633583]  ? process_timeout+0x40/0x40
[  530.637666]  ? __run_timers+0x7da/0xc70
[  530.641653]  ? _raw_spin_unlock_irq+0x27/0x80
[  530.646158]  ? _raw_spin_unlock_irq+0x27/0x80
[  530.650662]  ? neigh_periodic_work+0xc60/0xc60
[  530.655260]  ? lockdep_hardirqs_on+0x296/0x5b0
[  530.659856]  ? trace_hardirqs_on+0xbd/0x310
[  530.664188]  ? kasan_check_read+0x11/0x20
[  530.668349]  ? __run_timers+0x7da/0xc70
[  530.672334]  ? trace_hardirqs_off_caller+0x310/0x310
[  530.677462]  ? neigh_periodic_work+0xc60/0xc60
[  530.682071]  __run_timers+0x7e5/0xc70
[  530.685893]  ? timer_fixup_init+0x70/0x70
[  530.690054]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  530.695081]  ? zap_class+0x640/0x640
[  530.698808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  530.704357]  ? check_preemption_disabled+0x48/0x280
[  530.709390]  ? debug_smp_processor_id+0x1c/0x20
[  530.714070]  ? perf_trace_lock+0x14d/0x7a0
[  530.718322]  ? find_held_lock+0x36/0x1c0
[  530.722399]  ? zap_class+0x640/0x640
[  530.726132]  ? pvclock_read_flags+0x160/0x160
[  530.730644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  530.736197]  ? check_preemption_disabled+0x48/0x280
[  530.741239]  ? __lock_is_held+0xb5/0x140
[  530.745310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  530.750863]  ? check_preemption_disabled+0x48/0x280
[  530.755901]  run_timer_softirq+0x52/0xb0
[  530.759973]  ? rcu_read_lock_sched_held+0x14f/0x180
[  530.765012]  __do_softirq+0x308/0xb7e
[  530.768833]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  530.773341]  ? lock_downgrade+0x900/0x900
[  530.777524]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  530.782652]  ? pvclock_read_flags+0x160/0x160
[  530.787161]  ? lapic_next_event+0x5a/0x90
[  530.791323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  530.796874]  ? kvm_clock_read+0x18/0x30
[  530.800864]  ? kvm_sched_clock_read+0x9/0x20
[  530.805291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  530.810840]  ? check_preemption_disabled+0x48/0x280
[  530.815883]  irq_exit+0x17f/0x1c0
[  530.819353]  smp_apic_timer_interrupt+0x1cb/0x760
[  530.824203]  ? smp_reschedule_interrupt+0x109/0x650
[  530.829230]  ? smp_call_function_single_interrupt+0x650/0x650
[  530.835127]  ? interrupt_entry+0xb5/0xc0
[  530.839202]  ? trace_hardirqs_off_caller+0xbb/0x310
[  530.844228]  ? trace_hardirqs_off_caller+0xbb/0x310
[  530.849256]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  530.854113]  ? trace_hardirqs_on_caller+0x310/0x310
[  530.859137]  ? trace_hardirqs_on_caller+0x310/0x310
[  530.864168]  ? task_prio+0x50/0x50
[  530.867724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  530.873276]  ? check_preemption_disabled+0x48/0x280
[  530.878310]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  530.883172]  apic_timer_interrupt+0xf/0x20
[  530.887414]  </IRQ>
[  530.889665] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  530.894609] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  530.913530] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  530.921248] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  530.928535] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  530.935815] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  530.943108] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  530.950384] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  530.957712]  skb_clone+0x1bb/0x500
[  530.961267]  ? skb_split+0x11e0/0x11e0
[  530.965170]  ? debug_smp_processor_id+0x1c/0x20
[  530.969850]  ? perf_trace_lock+0x14d/0x7a0
[  530.974097]  ? __switch_to_asm+0x34/0x70
[  530.978170]  ? __switch_to_asm+0x40/0x70
[  530.982239]  ? __switch_to_asm+0x40/0x70
[  530.986311]  ? __switch_to_asm+0x34/0x70
[  530.990395]  bpf_clone_redirect+0xb9/0x490
[  530.994651]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  530.999600]  ? __sched_text_start+0x8/0x8
[  531.003774]  ? find_held_lock+0x36/0x1c0
[  531.007858]  ? lock_acquire+0x1ed/0x520
[  531.012032]  ? bpf_test_run+0x3cb/0x780
[  531.016029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.021586]  ? check_preemption_disabled+0x48/0x280
[  531.026619]  ? kasan_check_read+0x11/0x20
[  531.030782]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  531.036071]  ? rcu_softirq_qs+0x20/0x20
[  531.040058]  ? preempt_schedule+0x4d/0x60
[  531.044223]  ? ___preempt_schedule+0x16/0x18
[  531.048654]  ? bpf_test_run+0x25d/0x780
[  531.052654]  ? netlink_diag_dump+0x2a0/0x2a0
[  531.057078]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  531.062638]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  531.067421]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  531.072277]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  531.077839]  ? fput+0x130/0x1a0
[  531.081138]  ? __bpf_prog_get+0x9b/0x290
[  531.085221]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  531.090079]  ? bpf_prog_test_run+0x130/0x1a0
[  531.094524]  ? __x64_sys_bpf+0x3d8/0x520
[  531.098601]  ? bpf_prog_get+0x20/0x20
[  531.102436]  ? do_syscall_64+0x1b9/0x820
[  531.106526]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  531.111906]  ? syscall_return_slowpath+0x5e0/0x5e0
[  531.116843]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  531.121700]  ? trace_hardirqs_on_caller+0x310/0x310
[  531.126730]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  531.131764]  ? prepare_exit_to_usermode+0x291/0x3b0
[  531.136800]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  531.142148]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  531.147563] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  531.147765] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  531.154596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  531.165076] syz-executor4 cpuset=syz4 mems_allowed=0
[  531.174428] Call Trace:
[  531.182109]  <IRQ>
[  531.184275]  dump_stack+0x244/0x39d
[  531.187923]  ? dump_stack_print_info.cold.1+0x20/0x20
[  531.193141]  warn_alloc.cold.116+0xb7/0x1bd
[  531.197474]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  531.202357]  ? lock_downgrade+0x900/0x900
[  531.206543]  ? trace_hardirqs_off+0xb8/0x310
[  531.210973]  ? trace_hardirqs_off+0xb8/0x310
[  531.215406]  __alloc_pages_slowpath+0x2651/0x2de0
[  531.220296]  ? warn_alloc+0x120/0x120
[  531.224110]  ? print_usage_bug+0xc0/0xc0
[  531.228184]  ? warn_alloc+0x120/0x120
[  531.231999]  ? warn_alloc+0x120/0x120
[  531.235818]  ? print_usage_bug+0xc0/0xc0
[  531.239895]  ? kvm_clock_read+0x18/0x30
[  531.243882]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  531.248917]  ? print_usage_bug+0xc0/0xc0
[  531.252990]  ? __lock_acquire+0x62f/0x4c20
[  531.257241]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  531.262788]  ? should_fail+0x22d/0xd01
[  531.266689]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  531.271982]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  531.277099]  ? __lock_acquire+0x62f/0x4c20
[  531.281350]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  531.286462]  ? __lock_acquire+0x62f/0x4c20
[  531.290725]  ? should_fail+0x22d/0xd01
[  531.294622]  ? rcu_irq_exit+0x1a2/0x390
[  531.298621]  ? mark_held_locks+0x130/0x130
[  531.302871]  ? mark_held_locks+0x130/0x130
[  531.307114]  ? perf_trace_lock+0x14d/0x7a0
[  531.311369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.316922]  ? check_preemption_disabled+0x48/0x280
[  531.321945]  ? zap_class+0x640/0x640
[  531.325680]  ? debug_smp_processor_id+0x1c/0x20
[  531.330361]  ? perf_trace_lock+0x14d/0x7a0
[  531.334608]  ? check_preemption_disabled+0x48/0x280
[  531.339643]  ? lock_is_held_type+0x210/0x210
[  531.344067]  ? __lock_is_held+0xb5/0x140
[  531.348147]  __alloc_pages_nodemask+0xad8/0xea0
[  531.352832]  ? zap_class+0x640/0x640
[  531.356568]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  531.361612]  ? find_held_lock+0x36/0x1c0
[  531.365696]  ? ____cache_alloc_node+0x1c7/0x1e0
[  531.370379]  ? lock_downgrade+0x900/0x900
[  531.374555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.380109]  cache_grow_begin+0xa5/0x8c0
[  531.384181]  ? do_raw_spin_unlock+0xa7/0x330
[  531.388609]  fallback_alloc+0x204/0x2e0
[  531.392605]  ____cache_alloc_node+0x1c7/0x1e0
[  531.397118]  kmem_cache_alloc_node+0xe3/0x730
[  531.401627]  ? ipv6_get_ifaddr+0x42e/0x620
[  531.405925]  __alloc_skb+0x119/0x770
[  531.409651]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  531.414943]  ? netdev_alloc_frag+0x1f0/0x1f0
[  531.419365]  ? lock_downgrade+0x900/0x900
[  531.423557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.429106]  ? refcount_sub_and_test_checked+0x203/0x310
[  531.434574]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  531.440038]  ? addrconf_rs_timer+0x690/0x690
[  531.444472]  ndisc_alloc_skb+0x144/0x340
[  531.448581]  ndisc_send_rs+0x331/0x6e0
[  531.452511]  addrconf_rs_timer+0x314/0x690
[  531.456770]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  531.461029]  call_timer_fn+0x272/0x920
[  531.464938]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  531.469185]  ? process_timeout+0x40/0x40
[  531.473273]  ? mark_held_locks+0xc7/0x130
[  531.477433]  ? _raw_spin_unlock_irq+0x27/0x80
[  531.481938]  ? _raw_spin_unlock_irq+0x27/0x80
[  531.486443]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  531.490689]  ? lockdep_hardirqs_on+0x296/0x5b0
[  531.495283]  ? trace_hardirqs_on+0xbd/0x310
[  531.499616]  ? kasan_check_read+0x11/0x20
[  531.503778]  ? __run_timers+0x7da/0xc70
[  531.507764]  ? trace_hardirqs_off_caller+0x310/0x310
[  531.512881]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  531.517134]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  531.521379]  __run_timers+0x7e5/0xc70
[  531.525204]  ? timer_fixup_init+0x70/0x70
[  531.529364]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  531.534393]  ? zap_class+0x640/0x640
[  531.538119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.543670]  ? print_usage_bug+0xc0/0xc0
[  531.547747]  ? debug_smp_processor_id+0x1c/0x20
[  531.552426]  ? perf_trace_lock+0x14d/0x7a0
[  531.556682]  ? find_held_lock+0x36/0x1c0
[  531.560759]  ? zap_class+0x640/0x640
[  531.564514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.570064]  ? check_preemption_disabled+0x48/0x280
[  531.575104]  ? __lock_is_held+0xb5/0x140
[  531.579176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.584725]  ? check_preemption_disabled+0x48/0x280
[  531.589756]  run_timer_softirq+0x52/0xb0
[  531.593830]  ? rcu_read_lock_sched_held+0x14f/0x180
[  531.598859]  __do_softirq+0x308/0xb7e
[  531.602674]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  531.607177]  ? lock_downgrade+0x900/0x900
[  531.611343]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  531.616465]  ? pvclock_read_flags+0x160/0x160
[  531.620994]  ? lapic_next_event+0x5a/0x90
[  531.625159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.630713]  ? kvm_clock_read+0x18/0x30
[  531.634698]  ? kvm_sched_clock_read+0x9/0x20
[  531.639121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.644673]  ? check_preemption_disabled+0x48/0x280
[  531.649711]  irq_exit+0x17f/0x1c0
[  531.653175]  smp_apic_timer_interrupt+0x1cb/0x760
[  531.658035]  ? smp_reschedule_interrupt+0x109/0x650
[  531.663148]  ? smp_call_function_single_interrupt+0x650/0x650
[  531.669059]  ? interrupt_entry+0xb5/0xc0
[  531.673162]  ? trace_hardirqs_off_caller+0xbb/0x310
[  531.678188]  ? trace_hardirqs_off_caller+0xbb/0x310
[  531.683215]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  531.688068]  ? trace_hardirqs_on_caller+0x310/0x310
[  531.693093]  ? trace_hardirqs_on_caller+0x310/0x310
[  531.698119]  ? task_prio+0x50/0x50
[  531.701672]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  531.707223]  ? check_preemption_disabled+0x48/0x280
[  531.712259]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  531.717126]  apic_timer_interrupt+0xf/0x20
[  531.721366]  </IRQ>
[  531.723618] RIP: 0010:console_unlock+0x102f/0x1190
[  531.728560] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  531.747470] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  531.755211] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  531.762506] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  531.769785] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  531.777062] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  531.784339] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  531.791627]  ? netconsole_netdev_event+0x280/0x280
[  531.796577]  ? console_unlock+0x1026/0x1190
[  531.800930]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  531.805612]  ? vprintk_emit+0x846/0x990
[  531.809604]  ? lock_release+0xa00/0xa00
[  531.813593]  ? trace_hardirqs_on+0x30/0x310
[  531.817924]  ? vprintk_default+0x28/0x30
[  531.821999]  ? trace_hardirqs_off_caller+0x310/0x310
[  531.827119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.832677]  vprintk_emit+0x391/0x990
[  531.836517]  ? wake_up_klogd+0x180/0x180
[  531.840605]  ? find_held_lock+0x31/0x1c0
[  531.844695]  ? mark_held_locks+0xc7/0x130
[  531.848859]  ? _raw_spin_unlock_irq+0x27/0x80
[  531.853365]  ? _raw_spin_unlock_irq+0x27/0x80
[  531.857876]  vprintk_default+0x28/0x30
[  531.861778]  vprintk_func+0x7e/0x181
[  531.865528]  printk+0xa7/0xcf
[  531.868653]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  531.873421]  ? _raw_spin_unlock_irq+0x60/0x80
[  531.877979]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  531.883274]  dump_header+0x7cc/0xf72
[  531.887006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.892563]  ? check_preemption_disabled+0x48/0x280
[  531.897598]  ? pagefault_out_of_memory+0x197/0x197
[  531.902551]  ? debug_smp_processor_id+0x1c/0x20
[  531.907232]  ? perf_trace_lock+0x14d/0x7a0
[  531.911479]  ? mark_held_locks+0x130/0x130
[  531.915755]  ? lock_is_held_type+0x210/0x210
[  531.920183]  ? debug_smp_processor_id+0x1c/0x20
[  531.924863]  ? zap_class+0x640/0x640
[  531.928597]  ? lock_is_held_type+0x210/0x210
[  531.933015]  ? perf_trace_lock+0x14d/0x7a0
[  531.937270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  531.942825]  ? find_held_lock+0x36/0x1c0
[  531.946908]  ? mark_held_locks+0xc7/0x130
[  531.951068]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  531.956182]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  531.961295]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  531.965889]  ? trace_hardirqs_on+0xbd/0x310
[  531.970223]  ? kasan_check_read+0x11/0x20
[  531.974383]  ? ___ratelimit+0x3b4/0x672
[  531.978368]  ? trace_hardirqs_off_caller+0x310/0x310
[  531.983503]  ? trace_hardirqs_on+0x310/0x310
[  531.987925]  ? lock_downgrade+0x900/0x900
[  531.992093]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  531.997207]  ? ___ratelimit+0x3b9/0x672
[  532.001196]  ? idr_get_free+0xf70/0xf70
[  532.005183]  ? lock_is_held_type+0x210/0x210
[  532.009616]  oom_kill_process.cold.27+0x10/0x903
[  532.014384]  ? zap_class+0x640/0x640
[  532.018111]  ? _raw_spin_unlock+0x2c/0x50
[  532.022281]  ? oom_badness+0xe6/0xaa0
[  532.026102]  ? oom_evaluate_task+0x540/0x540
[  532.030545]  ? find_held_lock+0x36/0x1c0
[  532.034628]  ? out_of_memory+0x974/0x1430
[  532.038792]  ? lock_downgrade+0x900/0x900
[  532.042953]  ? check_preemption_disabled+0x48/0x280
[  532.047987]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  532.052929]  ? kasan_check_read+0x11/0x20
[  532.057086]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  532.062374]  ? rcu_softirq_qs+0x20/0x20
[  532.066366]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  532.071389]  ? oom_evaluate_task+0x302/0x540
[  532.075811]  out_of_memory+0xa84/0x1430
[  532.079806]  ? oom_killer_disable+0x3a0/0x3a0
[  532.084313]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  532.089258]  ? __ww_mutex_check_waiters+0x160/0x160
[  532.094302]  __alloc_pages_slowpath+0x232c/0x2de0
[  532.099187]  ? warn_alloc+0x120/0x120
[  532.102999]  ? mark_held_locks+0x130/0x130
[  532.107252]  ? find_get_entry+0xaae/0x1120
[  532.111528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  532.117079]  ? check_preemption_disabled+0x48/0x280
[  532.122107]  ? filemap_map_pages+0x1a20/0x1a20
[  532.126705]  ? debug_smp_processor_id+0x1c/0x20
[  532.131383]  ? perf_trace_lock+0x14d/0x7a0
[  532.135641]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  532.141193]  ? should_fail+0x22d/0xd01
[  532.145099]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  532.150213]  ? zap_class+0x640/0x640
[  532.153964]  ? __lock_is_held+0xb5/0x140
[  532.158044]  ? mark_held_locks+0x130/0x130
[  532.162293]  ? lock_release+0xa00/0xa00
[  532.166281]  ? perf_trace_sched_process_exec+0x860/0x860
[  532.171743]  ? xa_load+0x2ba/0x460
[  532.175294]  ? lock_downgrade+0x900/0x900
[  532.179459]  ? __might_sleep+0x95/0x190
[  532.183474]  __alloc_pages_nodemask+0xad8/0xea0
[  532.188186]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  532.193217]  ? __page_cache_alloc+0x191/0x5c0
[  532.197725]  ? xa_load+0x2e1/0x460
[  532.201280]  ? xa_clear_mark+0x40/0x40
[  532.205179]  ? zap_class+0x640/0x640
[  532.208915]  ? zap_class+0x640/0x640
[  532.212640]  ? zap_class+0x640/0x640
[  532.216367]  ? __do_page_cache_readahead+0x663/0x810
[  532.221513]  ? find_held_lock+0x36/0x1c0
[  532.225597]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  532.231157]  alloc_pages_current+0x173/0x350
[  532.235583]  __page_cache_alloc+0x38c/0x5c0
[  532.239927]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  532.244881]  ? kasan_check_read+0x11/0x20
[  532.249042]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  532.254334]  ? generic_perform_write+0x6a0/0x6a0
[  532.259100]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  532.264654]  ? check_preemption_disabled+0x48/0x280
[  532.269689]  filemap_fault+0x1595/0x25f0
[  532.273773]  ? __lock_page_or_retry+0xa00/0xa00
[  532.278455]  ? mark_held_locks+0x130/0x130
[  532.282731]  ? filemap_map_pages+0xd6b/0x1a20
[  532.287237]  ? lock_downgrade+0x900/0x900
[  532.291394]  ? check_preemption_disabled+0x48/0x280
[  532.296421]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  532.301354]  ? kasan_check_read+0x11/0x20
[  532.305513]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  532.310796]  ? rcu_softirq_qs+0x20/0x20
[  532.314790]  ? filemap_map_pages+0xd92/0x1a20
[  532.319303]  ? find_get_entries_tag+0x1400/0x1400
[  532.324152]  ? debug_object_destroy+0x2b0/0x2b0
[  532.328851]  ? lock_pi_update_atomic+0x150/0x150
[  532.333606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  532.339158]  ? lock_acquire+0x1ed/0x520
[  532.343148]  ? ext4_filemap_fault+0x7a/0xad
[  532.347503]  ? lock_release+0xa00/0xa00
[  532.351508]  ? perf_trace_sched_process_exec+0x860/0x860
[  532.356964]  ? print_usage_bug+0xc0/0xc0
[  532.361026]  ? print_usage_bug+0xc0/0xc0
[  532.365101]  ? down_read+0x8d/0x120
[  532.368724]  ? ext4_filemap_fault+0x7a/0xad
[  532.373051]  ? __down_interruptible+0x700/0x700
[  532.377733]  ext4_filemap_fault+0x82/0xad
[  532.381885]  __do_fault+0x100/0x6b0
[  532.385527]  ? pmd_devmap_trans_unstable+0x220/0x220
[  532.390638]  ? mark_held_locks+0x130/0x130
[  532.394880]  ? mark_held_locks+0x130/0x130
[  532.399141]  ? debug_smp_processor_id+0x1c/0x20
[  532.403825]  ? perf_trace_lock+0x14d/0x7a0
[  532.408057]  ? lock_downgrade+0x900/0x900
[  532.412216]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  532.417788]  __handle_mm_fault+0x3ea0/0x5be0
[  532.422211]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  532.427057]  ? lock_is_held_type+0x210/0x210
[  532.431730]  ? file_remove_privs+0x540/0x540
[  532.436151]  ? file_remove_privs+0x540/0x540
[  532.440582]  ? zap_class+0x640/0x640
[  532.444295]  ? zap_class+0x640/0x640
[  532.448009]  ? __x64_sys_futex+0x53e/0x6a0
[  532.452254]  ? find_held_lock+0x36/0x1c0
[  532.456357]  ? handle_mm_fault+0x42a/0xc70
[  532.460614]  ? lock_downgrade+0x900/0x900
[  532.464768]  ? check_preemption_disabled+0x48/0x280
[  532.469790]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  532.474721]  ? kasan_check_read+0x11/0x20
[  532.478875]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  532.484172]  ? rcu_softirq_qs+0x20/0x20
[  532.488173]  ? trace_hardirqs_off_caller+0x310/0x310
[  532.493280]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  532.498823]  ? check_preemption_disabled+0x48/0x280
[  532.503869]  handle_mm_fault+0x54f/0xc70
[  532.507939]  ? __handle_mm_fault+0x5be0/0x5be0
[  532.512533]  ? find_vma+0x34/0x190
[  532.516100]  __do_page_fault+0x5e8/0xe60
[  532.520163]  ? trace_hardirqs_off+0xb8/0x310
[  532.524588]  do_page_fault+0xf2/0x7e0
[  532.528396]  ? vmalloc_sync_all+0x30/0x30
[  532.532550]  ? error_entry+0x70/0xd0
[  532.536269]  ? trace_hardirqs_off_caller+0xbb/0x310
[  532.541287]  ? trace_hardirqs_on_caller+0xc0/0x310
[  532.546221]  ? syscall_return_slowpath+0x5e0/0x5e0
[  532.551151]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  532.556002]  ? trace_hardirqs_on_caller+0x310/0x310
[  532.561023]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  532.566491]  ? prepare_exit_to_usermode+0x291/0x3b0
[  532.571560]  ? page_fault+0x8/0x30
[  532.575130]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  532.579990]  ? page_fault+0x8/0x30
[  532.583536]  page_fault+0x1e/0x30
[  532.586988] RIP: 0033:0x45ddf3
[  532.590202] Code: Bad RIP value.
[  532.593565] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  532.598932] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  532.606199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  532.613492] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  532.620767] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  532.628036] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  532.635334] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  532.635340] warn_alloc_show_mem: 1 callbacks suppressed
[  532.635347] Mem-Info:
[  532.642711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  532.648079] active_anon:147110 inactive_anon:190 isolated_anon:0
[  532.648079]  active_file:13 inactive_file:13 isolated_file:2
[  532.648079]  unevictable:1 dirty:0 writeback:0 unstable:0
[  532.648079]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  532.648079]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  532.648079]  free:13705 free_pcp:247 free_cma:0
[  532.650451] Call Trace:
[  532.659839] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  532.692856]  <IRQ>
[  532.695424] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  532.722914]  dump_stack+0x244/0x39d
[  532.725050] lowmem_reserve[]: 0 2818 6321 6321
[  532.751290]  ? dump_stack_print_info.cold.1+0x20/0x20
[  532.754892] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  532.759492]  warn_alloc.cold.116+0xb7/0x1bd
[  532.764664] lowmem_reserve[]: 0 0 3503 3503
[  532.792331]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  532.796631] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  532.800951]  ? lock_downgrade+0x900/0x900
[  532.805767] lowmem_reserve[]: 0 0 0 0
[  532.834675]  ? trace_hardirqs_off+0xb8/0x310
[  532.838794] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  532.842596]  ? trace_hardirqs_off+0xb8/0x310
[  532.846981] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  532.860529]  __alloc_pages_slowpath+0x2651/0x2de0
[  532.864910] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  532.880018]  ? warn_alloc+0x120/0x120
[  532.884817] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  532.899371]  ? warn_alloc+0x120/0x120
[  532.903157] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  532.911985]  ? warn_alloc+0x120/0x120
[  532.915771] 274 total pagecache pages
[  532.924352]  ? print_usage_bug+0xc0/0xc0
[  532.928136] 0 pages in swap cache
[  532.931925]  ? perf_trace_lock+0x14d/0x7a0
[  532.935966] Swap cache stats: add 0, delete 0, find 0/0
[  532.939411]  ? print_usage_bug+0xc0/0xc0
[  532.943622] Free swap  = 0kB
[  532.949009]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  532.953054] Total swap = 0kB
[  532.956076]  ? should_fail+0x22d/0xd01
[  532.961591] 1965979 pages RAM
[  532.964606]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  532.968472] 0 pages HighMem/MovableOnly
[  532.971611]  ? __lock_acquire+0x62f/0x4c20
[  532.976698] 342854 pages reserved
[  532.980692]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  532.984903] 0 pages cma reserved
[  532.988352]  ? __lock_acquire+0x62f/0x4c20
[  532.993548] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  532.996785]  ? should_fail+0x22d/0xd01
[  532.996812]  ? mark_held_locks+0x130/0x130
[  532.996831]  ? mark_held_locks+0x130/0x130
[  533.001104] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  533.007565]  ? try_to_wake_up+0x11c/0x1490
[  533.011906] syz-fuzzer cpuset=/ mems_allowed=0
[  533.016135]  ? lock_downgrade+0x900/0x900
[  533.043478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.049037]  ? check_preemption_disabled+0x48/0x280
[  533.054053]  ? zap_class+0x640/0x640
[  533.057779]  ? debug_smp_processor_id+0x1c/0x20
[  533.062450]  ? perf_trace_lock+0x14d/0x7a0
[  533.066697]  ? check_preemption_disabled+0x48/0x280
[  533.071723]  ? lock_is_held_type+0x210/0x210
[  533.076140]  ? __lock_is_held+0xb5/0x140
[  533.080209]  __alloc_pages_nodemask+0xad8/0xea0
[  533.084885]  ? zap_class+0x640/0x640
[  533.088627]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  533.093670]  ? find_held_lock+0x36/0x1c0
[  533.097754]  ? ____cache_alloc_node+0x1c7/0x1e0
[  533.102423]  ? lock_downgrade+0x900/0x900
[  533.106579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.112121]  cache_grow_begin+0xa5/0x8c0
[  533.116209]  ? do_raw_spin_unlock+0xa7/0x330
[  533.120642]  fallback_alloc+0x204/0x2e0
[  533.124646]  ____cache_alloc_node+0x1c7/0x1e0
[  533.129151]  kmem_cache_alloc_node+0xe3/0x730
[  533.133652]  ? ipv6_get_ifaddr+0x42e/0x620
[  533.137931]  __alloc_skb+0x119/0x770
[  533.141647]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  533.146944]  ? netdev_alloc_frag+0x1f0/0x1f0
[  533.151353]  ? lock_downgrade+0x900/0x900
[  533.155522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.161074]  ? refcount_sub_and_test_checked+0x203/0x310
[  533.166571]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  533.172026]  ? addrconf_rs_timer+0x690/0x690
[  533.176479]  ndisc_alloc_skb+0x144/0x340
[  533.180584]  ndisc_send_rs+0x331/0x6e0
[  533.184499]  addrconf_rs_timer+0x314/0x690
[  533.188779]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  533.193041]  call_timer_fn+0x272/0x920
[  533.196926]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  533.201187]  ? process_timeout+0x40/0x40
[  533.205290]  ? __run_timers+0x7da/0xc70
[  533.209272]  ? _raw_spin_unlock_irq+0x27/0x80
[  533.213780]  ? _raw_spin_unlock_irq+0x27/0x80
[  533.218296]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  533.222548]  ? lockdep_hardirqs_on+0x296/0x5b0
[  533.227164]  ? trace_hardirqs_on+0xbd/0x310
[  533.231511]  ? kasan_check_read+0x11/0x20
[  533.235663]  ? __run_timers+0x7da/0xc70
[  533.239645]  ? trace_hardirqs_off_caller+0x310/0x310
[  533.244768]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  533.249051]  __run_timers+0x7e5/0xc70
[  533.252869]  ? timer_fixup_init+0x70/0x70
[  533.257022]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  533.262041]  ? zap_class+0x640/0x640
[  533.265754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.271303]  ? check_preemption_disabled+0x48/0x280
[  533.276327]  ? debug_smp_processor_id+0x1c/0x20
[  533.281000]  ? perf_trace_lock+0x14d/0x7a0
[  533.285244]  ? find_held_lock+0x36/0x1c0
[  533.289351]  ? zap_class+0x640/0x640
[  533.293074]  ? pvclock_read_flags+0x160/0x160
[  533.297579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.303136]  ? check_preemption_disabled+0x48/0x280
[  533.308176]  ? __lock_is_held+0xb5/0x140
[  533.312241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.317781]  ? check_preemption_disabled+0x48/0x280
[  533.322804]  run_timer_softirq+0x52/0xb0
[  533.326868]  ? rcu_read_lock_sched_held+0x14f/0x180
[  533.331895]  __do_softirq+0x308/0xb7e
[  533.335709]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  533.340229]  ? lock_downgrade+0x900/0x900
[  533.344384]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  533.349506]  ? pvclock_read_flags+0x160/0x160
[  533.354015]  ? lapic_next_event+0x5a/0x90
[  533.358167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.363748]  ? kvm_clock_read+0x18/0x30
[  533.367735]  ? kvm_sched_clock_read+0x9/0x20
[  533.372164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.377703]  ? check_preemption_disabled+0x48/0x280
[  533.382735]  irq_exit+0x17f/0x1c0
[  533.386206]  smp_apic_timer_interrupt+0x1cb/0x760
[  533.391058]  ? smp_reschedule_interrupt+0x109/0x650
[  533.396077]  ? smp_call_function_single_interrupt+0x650/0x650
[  533.402117]  ? interrupt_entry+0xb5/0xc0
[  533.406179]  ? trace_hardirqs_off_caller+0xbb/0x310
[  533.411194]  ? trace_hardirqs_off_caller+0xbb/0x310
[  533.416214]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  533.421074]  ? trace_hardirqs_on_caller+0x310/0x310
[  533.426101]  ? trace_hardirqs_on_caller+0x310/0x310
[  533.431117]  ? task_prio+0x50/0x50
[  533.434680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.440237]  ? check_preemption_disabled+0x48/0x280
[  533.445265]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  533.450133]  apic_timer_interrupt+0xf/0x20
[  533.454360]  </IRQ>
[  533.456632] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  533.461577] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  533.480481] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  533.488201] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  533.495468] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  533.502756] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  533.510027] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  533.517300] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  533.524711]  skb_clone+0x1bb/0x500
[  533.528255]  ? skb_split+0x11e0/0x11e0
[  533.532153]  ? debug_smp_processor_id+0x1c/0x20
[  533.536843]  ? perf_trace_lock+0x14d/0x7a0
[  533.541083]  ? __switch_to_asm+0x34/0x70
[  533.545142]  ? __switch_to_asm+0x40/0x70
[  533.549199]  ? __switch_to_asm+0x40/0x70
[  533.553277]  ? __switch_to_asm+0x34/0x70
[  533.557349]  bpf_clone_redirect+0xb9/0x490
[  533.561598]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  533.566649]  ? __sched_text_start+0x8/0x8
[  533.570817]  ? find_held_lock+0x36/0x1c0
[  533.574892]  ? lock_acquire+0x1ed/0x520
[  533.578869]  ? bpf_test_run+0x3cb/0x780
[  533.582859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.588399]  ? check_preemption_disabled+0x48/0x280
[  533.593427]  ? kasan_check_read+0x11/0x20
[  533.597576]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  533.602869]  ? rcu_softirq_qs+0x20/0x20
[  533.606848]  ? preempt_schedule+0x4d/0x60
[  533.611019]  ? ___preempt_schedule+0x16/0x18
[  533.615437]  ? bpf_test_run+0x25d/0x780
[  533.619434]  ? netlink_diag_dump+0x2a0/0x2a0
[  533.623855]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  533.629408]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  533.634215]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  533.639065]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  533.644606]  ? fput+0x130/0x1a0
[  533.647890]  ? __bpf_prog_get+0x9b/0x290
[  533.651951]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  533.656822]  ? bpf_prog_test_run+0x130/0x1a0
[  533.661237]  ? __x64_sys_bpf+0x3d8/0x520
[  533.665322]  ? bpf_prog_get+0x20/0x20
[  533.669195]  ? do_syscall_64+0x1b9/0x820
[  533.673253]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  533.678623]  ? syscall_return_slowpath+0x5e0/0x5e0
[  533.683571]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  533.688420]  ? trace_hardirqs_on_caller+0x310/0x310
[  533.693438]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  533.698494]  ? prepare_exit_to_usermode+0x291/0x3b0
[  533.703534]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  533.708408]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  533.713796] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  533.713978] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  533.720848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  533.720853] Call Trace:
[  533.720860]  <IRQ>
[  533.720878]  dump_stack+0x244/0x39d
[  533.720902]  ? dump_stack_print_info.cold.1+0x20/0x20
[  533.727465] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  533.736739]  warn_alloc.cold.116+0xb7/0x1bd
[  533.739293] syz-executor4 cpuset=syz4 mems_allowed=0
[  533.741436]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  533.774937]  ? lock_downgrade+0x900/0x900
[  533.779097]  ? trace_hardirqs_off+0xb8/0x310
[  533.783546]  ? trace_hardirqs_off+0xb8/0x310
[  533.787969]  __alloc_pages_slowpath+0x2651/0x2de0
[  533.792878]  ? warn_alloc+0x120/0x120
[  533.796715]  ? print_usage_bug+0xc0/0xc0
[  533.800802]  ? warn_alloc+0x120/0x120
[  533.804622]  ? debug_smp_processor_id+0x1c/0x20
[  533.809352]  ? warn_alloc+0x120/0x120
[  533.813157]  ? print_usage_bug+0xc0/0xc0
[  533.817230]  ? print_usage_bug+0xc0/0xc0
[  533.821296]  ? __lock_acquire+0x62f/0x4c20
[  533.825562]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  533.831133]  ? should_fail+0x22d/0xd01
[  533.835035]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  533.840140]  ? __lock_acquire+0x62f/0x4c20
[  533.844386]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  533.849550]  ? __lock_acquire+0x62f/0x4c20
[  533.853787]  ? should_fail+0x22d/0xd01
[  533.857680]  ? find_held_lock+0x36/0x1c0
[  533.861752]  ? mark_held_locks+0x130/0x130
[  533.866008]  ? mark_held_locks+0x130/0x130
[  533.870244]  ? perf_trace_lock+0x14d/0x7a0
[  533.874478]  ? zap_class+0x640/0x640
[  533.878215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.883843]  ? check_preemption_disabled+0x48/0x280
[  533.888893]  ? zap_class+0x640/0x640
[  533.892630]  ? debug_smp_processor_id+0x1c/0x20
[  533.897332]  ? perf_trace_lock+0x14d/0x7a0
[  533.901579]  ? check_preemption_disabled+0x48/0x280
[  533.906607]  ? lock_is_held_type+0x210/0x210
[  533.911028]  ? __lock_is_held+0xb5/0x140
[  533.915106]  __alloc_pages_nodemask+0xad8/0xea0
[  533.919779]  ? zap_class+0x640/0x640
[  533.923515]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  533.928553]  ? find_held_lock+0x36/0x1c0
[  533.932629]  ? ____cache_alloc_node+0x1c7/0x1e0
[  533.937302]  ? lock_downgrade+0x900/0x900
[  533.941473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.947045]  cache_grow_begin+0xa5/0x8c0
[  533.951125]  ? do_raw_spin_unlock+0xa7/0x330
[  533.955548]  fallback_alloc+0x204/0x2e0
[  533.959549]  ____cache_alloc_node+0x1c7/0x1e0
[  533.964078]  kmem_cache_alloc_node+0xe3/0x730
[  533.968576]  ? ipv6_get_ifaddr+0x42e/0x620
[  533.972857]  __alloc_skb+0x119/0x770
[  533.976590]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  533.981878]  ? netdev_alloc_frag+0x1f0/0x1f0
[  533.986287]  ? lock_downgrade+0x900/0x900
[  533.990464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  533.996021]  ? refcount_sub_and_test_checked+0x203/0x310
[  534.001482]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  534.006969]  ? addrconf_rs_timer+0x690/0x690
[  534.011906]  ndisc_alloc_skb+0x144/0x340
[  534.016012]  ndisc_send_rs+0x331/0x6e0
[  534.019949]  addrconf_rs_timer+0x314/0x690
[  534.024192]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  534.028438]  call_timer_fn+0x272/0x920
[  534.032329]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  534.036572]  ? process_timeout+0x40/0x40
[  534.040654]  ? mark_held_locks+0xc7/0x130
[  534.044807]  ? _raw_spin_unlock_irq+0x27/0x80
[  534.049302]  ? _raw_spin_unlock_irq+0x27/0x80
[  534.053798]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  534.058030]  ? lockdep_hardirqs_on+0x296/0x5b0
[  534.062620]  ? trace_hardirqs_on+0xbd/0x310
[  534.066947]  ? kasan_check_read+0x11/0x20
[  534.071093]  ? __run_timers+0x7da/0xc70
[  534.075083]  ? trace_hardirqs_off_caller+0x310/0x310
[  534.080222]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  534.084482]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  534.088735]  __run_timers+0x7e5/0xc70
[  534.092552]  ? timer_fixup_init+0x70/0x70
[  534.096704]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  534.101721]  ? zap_class+0x640/0x640
[  534.105443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.110983]  ? print_usage_bug+0xc0/0xc0
[  534.115056]  ? debug_smp_processor_id+0x1c/0x20
[  534.119745]  ? perf_trace_lock+0x14d/0x7a0
[  534.124001]  ? find_held_lock+0x36/0x1c0
[  534.128074]  ? zap_class+0x640/0x640
[  534.131796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.137335]  ? check_preemption_disabled+0x48/0x280
[  534.142362]  ? __lock_is_held+0xb5/0x140
[  534.146438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.151975]  ? check_preemption_disabled+0x48/0x280
[  534.157003]  run_timer_softirq+0x52/0xb0
[  534.161094]  ? rcu_read_lock_sched_held+0x14f/0x180
[  534.166137]  __do_softirq+0x308/0xb7e
[  534.169976]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  534.174473]  ? lock_downgrade+0x900/0x900
[  534.178670]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  534.183809]  ? pvclock_read_flags+0x160/0x160
[  534.188315]  ? lapic_next_event+0x5a/0x90
[  534.192481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.198051]  ? kvm_clock_read+0x18/0x30
[  534.202030]  ? kvm_sched_clock_read+0x9/0x20
[  534.206443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.211982]  ? check_preemption_disabled+0x48/0x280
[  534.217013]  irq_exit+0x17f/0x1c0
[  534.220476]  smp_apic_timer_interrupt+0x1cb/0x760
[  534.225345]  ? smp_reschedule_interrupt+0x109/0x650
[  534.230387]  ? smp_call_function_single_interrupt+0x650/0x650
[  534.236308]  ? interrupt_entry+0xb5/0xc0
[  534.240415]  ? trace_hardirqs_off_caller+0xbb/0x310
[  534.245434]  ? trace_hardirqs_off_caller+0xbb/0x310
[  534.250469]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  534.255328]  ? trace_hardirqs_on_caller+0x310/0x310
[  534.260348]  ? trace_hardirqs_on_caller+0x310/0x310
[  534.265370]  ? task_prio+0x50/0x50
[  534.268913]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  534.274455]  ? check_preemption_disabled+0x48/0x280
[  534.279517]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  534.284391]  apic_timer_interrupt+0xf/0x20
[  534.288622]  </IRQ>
[  534.290880] RIP: 0010:console_unlock+0x102f/0x1190
[  534.295813] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  534.314707] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  534.322452] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  534.329730] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  534.337028] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  534.344296] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  534.351564] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  534.358836]  ? netconsole_netdev_event+0x280/0x280
[  534.363777]  ? console_unlock+0x1026/0x1190
[  534.368133]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  534.372802]  ? vprintk_emit+0x846/0x990
[  534.376797]  ? lock_release+0xa00/0xa00
[  534.380769]  ? trace_hardirqs_on+0x30/0x310
[  534.385203]  ? vprintk_default+0x28/0x30
[  534.389274]  ? trace_hardirqs_off_caller+0x310/0x310
[  534.394377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.400042]  vprintk_emit+0x391/0x990
[  534.403851]  ? wake_up_klogd+0x180/0x180
[  534.407925]  ? find_held_lock+0x31/0x1c0
[  534.412029]  ? mark_held_locks+0xc7/0x130
[  534.416179]  ? _raw_spin_unlock_irq+0x27/0x80
[  534.420674]  ? _raw_spin_unlock_irq+0x27/0x80
[  534.425193]  vprintk_default+0x28/0x30
[  534.429086]  vprintk_func+0x7e/0x181
[  534.432836]  printk+0xa7/0xcf
[  534.435992]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  534.440789]  ? _raw_spin_unlock_irq+0x60/0x80
[  534.445298]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  534.450599]  dump_header+0x7cc/0xf72
[  534.454329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.459872]  ? check_preemption_disabled+0x48/0x280
[  534.464909]  ? pagefault_out_of_memory+0x197/0x197
[  534.469844]  ? debug_smp_processor_id+0x1c/0x20
[  534.474526]  ? perf_trace_lock+0x14d/0x7a0
[  534.478765]  ? mark_held_locks+0x130/0x130
[  534.483013]  ? lock_is_held_type+0x210/0x210
[  534.487434]  ? debug_smp_processor_id+0x1c/0x20
[  534.492105]  ? zap_class+0x640/0x640
[  534.495841]  ? lock_is_held_type+0x210/0x210
[  534.500284]  ? perf_trace_lock+0x14d/0x7a0
[  534.504547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.510108]  ? find_held_lock+0x36/0x1c0
[  534.514215]  ? mark_held_locks+0xc7/0x130
[  534.518364]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  534.523465]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  534.528603]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  534.533189]  ? trace_hardirqs_on+0xbd/0x310
[  534.537526]  ? kasan_check_read+0x11/0x20
[  534.541672]  ? ___ratelimit+0x3b4/0x672
[  534.545653]  ? trace_hardirqs_off_caller+0x310/0x310
[  534.550759]  ? trace_hardirqs_on+0x310/0x310
[  534.555176]  ? lock_downgrade+0x900/0x900
[  534.559330]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  534.564432]  ? ___ratelimit+0x3b9/0x672
[  534.568441]  ? idr_get_free+0xf70/0xf70
[  534.572417]  ? lock_is_held_type+0x210/0x210
[  534.576870]  oom_kill_process.cold.27+0x10/0x903
[  534.581625]  ? zap_class+0x640/0x640
[  534.585344]  ? _raw_spin_unlock+0x2c/0x50
[  534.589505]  ? oom_badness+0xe6/0xaa0
[  534.593314]  ? oom_evaluate_task+0x540/0x540
[  534.597731]  ? find_held_lock+0x36/0x1c0
[  534.601802]  ? out_of_memory+0x974/0x1430
[  534.605995]  ? lock_downgrade+0x900/0x900
[  534.610166]  ? check_preemption_disabled+0x48/0x280
[  534.615262]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  534.620210]  ? kasan_check_read+0x11/0x20
[  534.624365]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  534.629639]  ? rcu_softirq_qs+0x20/0x20
[  534.633648]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  534.638680]  ? oom_evaluate_task+0x302/0x540
[  534.643142]  out_of_memory+0xa84/0x1430
[  534.647123]  ? oom_killer_disable+0x3a0/0x3a0
[  534.651635]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  534.656572]  ? __ww_mutex_check_waiters+0x160/0x160
[  534.661635]  __alloc_pages_slowpath+0x232c/0x2de0
[  534.666533]  ? warn_alloc+0x120/0x120
[  534.670332]  ? mark_held_locks+0x130/0x130
[  534.674569]  ? find_get_entry+0xaae/0x1120
[  534.678817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.684353]  ? check_preemption_disabled+0x48/0x280
[  534.689368]  ? filemap_map_pages+0x1a20/0x1a20
[  534.693955]  ? debug_smp_processor_id+0x1c/0x20
[  534.698620]  ? perf_trace_lock+0x14d/0x7a0
[  534.702859]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  534.708421]  ? should_fail+0x22d/0xd01
[  534.712333]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  534.717437]  ? zap_class+0x640/0x640
[  534.721177]  ? __lock_is_held+0xb5/0x140
[  534.725259]  ? mark_held_locks+0x130/0x130
[  534.729511]  ? lock_release+0xa00/0xa00
[  534.733520]  ? perf_trace_sched_process_exec+0x860/0x860
[  534.738991]  ? xa_load+0x2ba/0x460
[  534.742584]  ? lock_downgrade+0x900/0x900
[  534.746778]  ? __might_sleep+0x95/0x190
[  534.750814]  __alloc_pages_nodemask+0xad8/0xea0
[  534.755506]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  534.760551]  ? __page_cache_alloc+0x191/0x5c0
[  534.765045]  ? xa_load+0x2e1/0x460
[  534.768601]  ? xa_clear_mark+0x40/0x40
[  534.772540]  ? zap_class+0x640/0x640
[  534.776295]  ? zap_class+0x640/0x640
[  534.780122]  ? zap_class+0x640/0x640
[  534.783850]  ? __do_page_cache_readahead+0x663/0x810
[  534.789006]  ? find_held_lock+0x36/0x1c0
[  534.793078]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  534.798618]  alloc_pages_current+0x173/0x350
[  534.803037]  __page_cache_alloc+0x38c/0x5c0
[  534.807385]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  534.812310]  ? kasan_check_read+0x11/0x20
[  534.816461]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  534.821751]  ? generic_perform_write+0x6a0/0x6a0
[  534.826533]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  534.832071]  ? check_preemption_disabled+0x48/0x280
[  534.837102]  filemap_fault+0x1595/0x25f0
[  534.841177]  ? __lock_page_or_retry+0xa00/0xa00
[  534.845885]  ? mark_held_locks+0x130/0x130
[  534.850133]  ? filemap_map_pages+0xd6b/0x1a20
[  534.854640]  ? lock_downgrade+0x900/0x900
[  534.858812]  ? check_preemption_disabled+0x48/0x280
[  534.863850]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  534.868790]  ? kasan_check_read+0x11/0x20
[  534.872942]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  534.878256]  ? rcu_softirq_qs+0x20/0x20
[  534.882265]  ? filemap_map_pages+0xd92/0x1a20
[  534.886791]  ? find_get_entries_tag+0x1400/0x1400
[  534.891639]  ? debug_object_destroy+0x2b0/0x2b0
[  534.896313]  ? lock_pi_update_atomic+0x150/0x150
[  534.901068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  534.906642]  ? lock_acquire+0x1ed/0x520
[  534.910659]  ? ext4_filemap_fault+0x7a/0xad
[  534.915008]  ? lock_release+0xa00/0xa00
[  534.918987]  ? perf_trace_sched_process_exec+0x860/0x860
[  534.924439]  ? print_usage_bug+0xc0/0xc0
[  534.928529]  ? print_usage_bug+0xc0/0xc0
[  534.932627]  ? down_read+0x8d/0x120
[  534.936255]  ? ext4_filemap_fault+0x7a/0xad
[  534.940590]  ? __down_interruptible+0x700/0x700
[  534.945280]  ext4_filemap_fault+0x82/0xad
[  534.949435]  __do_fault+0x100/0x6b0
[  534.953103]  ? pmd_devmap_trans_unstable+0x220/0x220
[  534.958244]  ? mark_held_locks+0x130/0x130
[  534.962500]  ? mark_held_locks+0x130/0x130
[  534.966748]  ? debug_smp_processor_id+0x1c/0x20
[  534.971419]  ? perf_trace_lock+0x14d/0x7a0
[  534.975655]  ? lock_downgrade+0x900/0x900
[  534.979812]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  534.985405]  __handle_mm_fault+0x3ea0/0x5be0
[  534.989839]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  534.994690]  ? lock_is_held_type+0x210/0x210
[  534.999125]  ? file_remove_privs+0x540/0x540
[  535.003535]  ? file_remove_privs+0x540/0x540
[  535.007970]  ? zap_class+0x640/0x640
[  535.012165]  ? zap_class+0x640/0x640
[  535.015881]  ? __x64_sys_futex+0x53e/0x6a0
[  535.020123]  ? find_held_lock+0x36/0x1c0
[  535.024221]  ? handle_mm_fault+0x42a/0xc70
[  535.028458]  ? lock_downgrade+0x900/0x900
[  535.032624]  ? check_preemption_disabled+0x48/0x280
[  535.037646]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  535.042580]  ? kasan_check_read+0x11/0x20
[  535.046727]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  535.052018]  ? rcu_softirq_qs+0x20/0x20
[  535.055997]  ? trace_hardirqs_off_caller+0x310/0x310
[  535.061102]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  535.066651]  ? check_preemption_disabled+0x48/0x280
[  535.071676]  handle_mm_fault+0x54f/0xc70
[  535.075743]  ? __handle_mm_fault+0x5be0/0x5be0
[  535.080345]  ? find_vma+0x34/0x190
[  535.083893]  __do_page_fault+0x5e8/0xe60
[  535.087966]  ? trace_hardirqs_off+0xb8/0x310
[  535.092386]  do_page_fault+0xf2/0x7e0
[  535.096195]  ? vmalloc_sync_all+0x30/0x30
[  535.100373]  ? error_entry+0x70/0xd0
[  535.104090]  ? trace_hardirqs_off_caller+0xbb/0x310
[  535.109102]  ? trace_hardirqs_on_caller+0xc0/0x310
[  535.114044]  ? syscall_return_slowpath+0x5e0/0x5e0
[  535.119064]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  535.123917]  ? trace_hardirqs_on_caller+0x310/0x310
[  535.128937]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  535.134409]  ? prepare_exit_to_usermode+0x291/0x3b0
[  535.139422]  ? page_fault+0x8/0x30
[  535.143118]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  535.147963]  ? page_fault+0x8/0x30
[  535.151519]  page_fault+0x1e/0x30
[  535.154971] RIP: 0033:0x45ddf3
[  535.158201] Code: Bad RIP value.
[  535.161586] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  535.166945] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  535.174210] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  535.181504] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  535.188788] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  535.196080] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  535.203392] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  535.203398] warn_alloc_show_mem: 1 callbacks suppressed
[  535.203405] Mem-Info:
[  535.210771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  535.216144] active_anon:147110 inactive_anon:190 isolated_anon:0
[  535.216144]  active_file:13 inactive_file:13 isolated_file:2
[  535.216144]  unevictable:1 dirty:0 writeback:0 unstable:0
[  535.216144]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  535.216144]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  535.216144]  free:13705 free_pcp:247 free_cma:0
[  535.218532] Call Trace:
[  535.227920] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  535.260935]  <IRQ>
[  535.263521] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  535.291018]  dump_stack+0x244/0x39d
[  535.293155] lowmem_reserve[]: 0 2818 6321 6321
[  535.319265]  ? dump_stack_print_info.cold.1+0x20/0x20
[  535.322868] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  535.327470]  warn_alloc.cold.116+0xb7/0x1bd
[  535.332628] lowmem_reserve[]: 0 0 3503 3503
[  535.360294]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  535.364591] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  535.368922]  ? lock_downgrade+0x900/0x900
[  535.373737] lowmem_reserve[]: 0 0 0 0
[  535.402625]  ? trace_hardirqs_off+0xb8/0x310
[  535.406749] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  535.410550]  ? trace_hardirqs_off+0xb8/0x310
[  535.414933] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  535.428483]  __alloc_pages_slowpath+0x2651/0x2de0
[  535.432872] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  535.447977]  ? warn_alloc+0x120/0x120
[  535.452788] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  535.467343]  ? print_usage_bug+0xc0/0xc0
[  535.471141] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  535.479966]  ? warn_alloc+0x120/0x120
[  535.484009] 274 total pagecache pages
[  535.492577]  ? warn_alloc+0x120/0x120
[  535.496363] 0 pages in swap cache
[  535.500151]  ? print_usage_bug+0xc0/0xc0
[  535.503930] Swap cache stats: add 0, delete 0, find 0/0
[  535.507377]  ? kvm_clock_read+0x18/0x30
[  535.511413] Free swap  = 0kB
[  535.516773]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  535.520723] Total swap = 0kB
[  535.523741]  ? print_usage_bug+0xc0/0xc0
[  535.528741] 1965979 pages RAM
[  535.531756]  ? __lock_acquire+0x62f/0x4c20
[  535.535796] 0 pages HighMem/MovableOnly
[  535.535805] 342854 pages reserved
[  535.538908]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  535.543115] 0 pages cma reserved
[  535.547081]  ? should_fail+0x22d/0xd01
[  535.550581] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  535.556047]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  535.556074]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  535.556090]  ? __lock_acquire+0x62f/0x4c20
[  535.556108]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  535.559532] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  535.563336]  ? __lock_acquire+0x62f/0x4c20
[  535.569805] syz-fuzzer cpuset=/ mems_allowed=0
[  535.575090]  ? should_fail+0x22d/0xd01
[  535.612390]  ? rcu_irq_exit+0x1a2/0x390
[  535.616386]  ? mark_held_locks+0x130/0x130
[  535.620643]  ? mark_held_locks+0x130/0x130
[  535.624894]  ? perf_trace_lock+0x14d/0x7a0
[  535.629163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.634710]  ? check_preemption_disabled+0x48/0x280
[  535.639738]  ? zap_class+0x640/0x640
[  535.643457]  ? debug_smp_processor_id+0x1c/0x20
[  535.648132]  ? perf_trace_lock+0x14d/0x7a0
[  535.652382]  ? check_preemption_disabled+0x48/0x280
[  535.657428]  ? lock_is_held_type+0x210/0x210
[  535.661869]  ? __lock_is_held+0xb5/0x140
[  535.665939]  __alloc_pages_nodemask+0xad8/0xea0
[  535.670616]  ? zap_class+0x640/0x640
[  535.674349]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  535.679379]  ? find_held_lock+0x36/0x1c0
[  535.683452]  ? ____cache_alloc_node+0x1c7/0x1e0
[  535.688126]  ? lock_downgrade+0x900/0x900
[  535.692285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.697828]  cache_grow_begin+0xa5/0x8c0
[  535.701905]  ? do_raw_spin_unlock+0xa7/0x330
[  535.706344]  fallback_alloc+0x204/0x2e0
[  535.710328]  ____cache_alloc_node+0x1c7/0x1e0
[  535.714829]  kmem_cache_alloc_node+0xe3/0x730
[  535.719327]  ? ipv6_get_ifaddr+0x42e/0x620
[  535.723581]  __alloc_skb+0x119/0x770
[  535.727327]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  535.732615]  ? netdev_alloc_frag+0x1f0/0x1f0
[  535.737028]  ? lock_downgrade+0x900/0x900
[  535.741189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.746728]  ? refcount_sub_and_test_checked+0x203/0x310
[  535.752184]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  535.757656]  ? addrconf_rs_timer+0x690/0x690
[  535.762078]  ndisc_alloc_skb+0x144/0x340
[  535.766146]  ndisc_send_rs+0x331/0x6e0
[  535.770043]  addrconf_rs_timer+0x314/0x690
[  535.774299]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  535.778552]  call_timer_fn+0x272/0x920
[  535.782450]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  535.786691]  ? process_timeout+0x40/0x40
[  535.790781]  ? __run_timers+0x7da/0xc70
[  535.794761]  ? _raw_spin_unlock_irq+0x27/0x80
[  535.799286]  ? _raw_spin_unlock_irq+0x27/0x80
[  535.803783]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  535.808043]  ? lockdep_hardirqs_on+0x296/0x5b0
[  535.812636]  ? trace_hardirqs_on+0xbd/0x310
[  535.816973]  ? kasan_check_read+0x11/0x20
[  535.821127]  ? __run_timers+0x7da/0xc70
[  535.825110]  ? trace_hardirqs_off_caller+0x310/0x310
[  535.830224]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  535.834479]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  535.838728]  __run_timers+0x7e5/0xc70
[  535.842557]  ? timer_fixup_init+0x70/0x70
[  535.846726]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  535.851762]  ? zap_class+0x640/0x640
[  535.855501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.861068]  ? check_preemption_disabled+0x48/0x280
[  535.866111]  ? debug_smp_processor_id+0x1c/0x20
[  535.870779]  ? perf_trace_lock+0x14d/0x7a0
[  535.875059]  ? find_held_lock+0x36/0x1c0
[  535.879134]  ? zap_class+0x640/0x640
[  535.882855]  ? pvclock_read_flags+0x160/0x160
[  535.887353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.892913]  ? check_preemption_disabled+0x48/0x280
[  535.897942]  ? __lock_is_held+0xb5/0x140
[  535.902011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.907562]  ? check_preemption_disabled+0x48/0x280
[  535.912589]  run_timer_softirq+0x52/0xb0
[  535.916653]  ? rcu_read_lock_sched_held+0x14f/0x180
[  535.921761]  __do_softirq+0x308/0xb7e
[  535.925572]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  535.930073]  ? lock_downgrade+0x900/0x900
[  535.934228]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  535.939350]  ? pvclock_read_flags+0x160/0x160
[  535.943870]  ? lapic_next_event+0x5a/0x90
[  535.948030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.953595]  ? kvm_clock_read+0x18/0x30
[  535.957584]  ? kvm_sched_clock_read+0x9/0x20
[  535.962006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  535.967548]  ? check_preemption_disabled+0x48/0x280
[  535.972584]  irq_exit+0x17f/0x1c0
[  535.976045]  smp_apic_timer_interrupt+0x1cb/0x760
[  535.980929]  ? smp_reschedule_interrupt+0x109/0x650
[  535.985953]  ? smp_call_function_single_interrupt+0x650/0x650
[  535.991839]  ? interrupt_entry+0xb5/0xc0
[  535.995903]  ? trace_hardirqs_off_caller+0xbb/0x310
[  536.000917]  ? trace_hardirqs_off_caller+0xbb/0x310
[  536.005942]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  536.010816]  ? trace_hardirqs_on_caller+0x310/0x310
[  536.015833]  ? trace_hardirqs_on_caller+0x310/0x310
[  536.020853]  ? task_prio+0x50/0x50
[  536.024417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.029963]  ? check_preemption_disabled+0x48/0x280
[  536.034989]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  536.039852]  apic_timer_interrupt+0xf/0x20
[  536.044084]  </IRQ>
[  536.046360] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  536.051297] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  536.070198] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  536.077947] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  536.085225] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  536.092584] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  536.099857] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  536.107140] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  536.114479]  skb_clone+0x1bb/0x500
[  536.118058]  ? skb_split+0x11e0/0x11e0
[  536.121955]  ? debug_smp_processor_id+0x1c/0x20
[  536.126633]  ? perf_trace_lock+0x14d/0x7a0
[  536.130872]  ? __switch_to_asm+0x34/0x70
[  536.134931]  ? __switch_to_asm+0x40/0x70
[  536.139273]  ? __switch_to_asm+0x40/0x70
[  536.143332]  ? __switch_to_asm+0x34/0x70
[  536.147404]  bpf_clone_redirect+0xb9/0x490
[  536.151650]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  536.156588]  ? __sched_text_start+0x8/0x8
[  536.160753]  ? find_held_lock+0x36/0x1c0
[  536.164830]  ? lock_acquire+0x1ed/0x520
[  536.168813]  ? bpf_test_run+0x3cb/0x780
[  536.172788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.178384]  ? check_preemption_disabled+0x48/0x280
[  536.183408]  ? kasan_check_read+0x11/0x20
[  536.187573]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  536.192856]  ? rcu_softirq_qs+0x20/0x20
[  536.196830]  ? preempt_schedule+0x4d/0x60
[  536.201006]  ? ___preempt_schedule+0x16/0x18
[  536.205429]  ? bpf_test_run+0x25d/0x780
[  536.209428]  ? netlink_diag_dump+0x2a0/0x2a0
[  536.213851]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  536.219418]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  536.224511]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  536.229372]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  536.234914]  ? fput+0x130/0x1a0
[  536.238200]  ? __bpf_prog_get+0x9b/0x290
[  536.242272]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  536.247151]  ? bpf_prog_test_run+0x130/0x1a0
[  536.251568]  ? __x64_sys_bpf+0x3d8/0x520
[  536.255636]  ? bpf_prog_get+0x20/0x20
[  536.259461]  ? do_syscall_64+0x1b9/0x820
[  536.263533]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  536.268922]  ? syscall_return_slowpath+0x5e0/0x5e0
[  536.273860]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  536.278716]  ? trace_hardirqs_on_caller+0x310/0x310
[  536.283749]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  536.288778]  ? prepare_exit_to_usermode+0x291/0x3b0
[  536.293809]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  536.298661]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  536.304067] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  536.304138] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  536.311082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  536.311087] Call Trace:
[  536.311094]  <IRQ>
[  536.311111]  dump_stack+0x244/0x39d
[  536.311131]  ? dump_stack_print_info.cold.1+0x20/0x20
[  536.317694] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  536.326985]  warn_alloc.cold.116+0xb7/0x1bd
[  536.329537] syz-executor4 cpuset=syz4 mems_allowed=0
[  536.331686]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  536.365219]  ? lock_downgrade+0x900/0x900
[  536.369398]  ? trace_hardirqs_off+0xb8/0x310
[  536.373819]  ? trace_hardirqs_off+0xb8/0x310
[  536.378258]  __alloc_pages_slowpath+0x2651/0x2de0
[  536.383137]  ? warn_alloc+0x120/0x120
[  536.386945]  ? print_usage_bug+0xc0/0xc0
[  536.391014]  ? warn_alloc+0x120/0x120
[  536.394848]  ? debug_smp_processor_id+0x1c/0x20
[  536.399615]  ? warn_alloc+0x120/0x120
[  536.403421]  ? print_usage_bug+0xc0/0xc0
[  536.407522]  ? print_usage_bug+0xc0/0xc0
[  536.411599]  ? __lock_acquire+0x62f/0x4c20
[  536.415865]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  536.421496]  ? should_fail+0x22d/0xd01
[  536.425417]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  536.430569]  ? __lock_acquire+0x62f/0x4c20
[  536.434830]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  536.439957]  ? __lock_acquire+0x62f/0x4c20
[  536.444193]  ? should_fail+0x22d/0xd01
[  536.448096]  ? find_held_lock+0x36/0x1c0
[  536.452186]  ? mark_held_locks+0x130/0x130
[  536.456443]  ? mark_held_locks+0x130/0x130
[  536.460701]  ? perf_trace_lock+0x14d/0x7a0
[  536.464937]  ? zap_class+0x640/0x640
[  536.468654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.474192]  ? check_preemption_disabled+0x48/0x280
[  536.479209]  ? zap_class+0x640/0x640
[  536.482930]  ? debug_smp_processor_id+0x1c/0x20
[  536.487603]  ? perf_trace_lock+0x14d/0x7a0
[  536.491840]  ? check_preemption_disabled+0x48/0x280
[  536.496905]  ? lock_is_held_type+0x210/0x210
[  536.501343]  ? __lock_is_held+0xb5/0x140
[  536.505466]  __alloc_pages_nodemask+0xad8/0xea0
[  536.510153]  ? zap_class+0x640/0x640
[  536.513879]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  536.518924]  ? find_held_lock+0x36/0x1c0
[  536.523014]  ? ____cache_alloc_node+0x1c7/0x1e0
[  536.527695]  ? lock_downgrade+0x900/0x900
[  536.531859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.537409]  cache_grow_begin+0xa5/0x8c0
[  536.541481]  ? do_raw_spin_unlock+0xa7/0x330
[  536.545925]  fallback_alloc+0x204/0x2e0
[  536.549916]  ____cache_alloc_node+0x1c7/0x1e0
[  536.554426]  kmem_cache_alloc_node+0xe3/0x730
[  536.558956]  ? ipv6_get_ifaddr+0x42e/0x620
[  536.563205]  __alloc_skb+0x119/0x770
[  536.566924]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  536.572215]  ? netdev_alloc_frag+0x1f0/0x1f0
[  536.576630]  ? lock_downgrade+0x900/0x900
[  536.580805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.586358]  ? refcount_sub_and_test_checked+0x203/0x310
[  536.591814]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  536.597279]  ? addrconf_rs_timer+0x690/0x690
[  536.601702]  ndisc_alloc_skb+0x144/0x340
[  536.605793]  ndisc_send_rs+0x331/0x6e0
[  536.609694]  addrconf_rs_timer+0x314/0x690
[  536.613943]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  536.618195]  call_timer_fn+0x272/0x920
[  536.622082]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  536.626334]  ? process_timeout+0x40/0x40
[  536.630423]  ? mark_held_locks+0xc7/0x130
[  536.634573]  ? _raw_spin_unlock_irq+0x27/0x80
[  536.639085]  ? _raw_spin_unlock_irq+0x27/0x80
[  536.643595]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  536.647851]  ? lockdep_hardirqs_on+0x296/0x5b0
[  536.652436]  ? trace_hardirqs_on+0xbd/0x310
[  536.656762]  ? kasan_check_read+0x11/0x20
[  536.660914]  ? __run_timers+0x7da/0xc70
[  536.664894]  ? trace_hardirqs_off_caller+0x310/0x310
[  536.670000]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  536.674249]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  536.678515]  __run_timers+0x7e5/0xc70
[  536.682335]  ? timer_fixup_init+0x70/0x70
[  536.686523]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  536.691580]  ? zap_class+0x640/0x640
[  536.695335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.700877]  ? print_usage_bug+0xc0/0xc0
[  536.704962]  ? debug_smp_processor_id+0x1c/0x20
[  536.709646]  ? perf_trace_lock+0x14d/0x7a0
[  536.713905]  ? find_held_lock+0x36/0x1c0
[  536.717990]  ? zap_class+0x640/0x640
[  536.721712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.727256]  ? check_preemption_disabled+0x48/0x280
[  536.732289]  ? __lock_is_held+0xb5/0x140
[  536.736356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.741895]  ? check_preemption_disabled+0x48/0x280
[  536.747006]  run_timer_softirq+0x52/0xb0
[  536.751075]  ? rcu_read_lock_sched_held+0x14f/0x180
[  536.756099]  __do_softirq+0x308/0xb7e
[  536.759907]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  536.764405]  ? lock_downgrade+0x900/0x900
[  536.768564]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  536.773687]  ? pvclock_read_flags+0x160/0x160
[  536.778191]  ? lapic_next_event+0x5a/0x90
[  536.782345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.787927]  ? kvm_clock_read+0x18/0x30
[  536.791909]  ? kvm_sched_clock_read+0x9/0x20
[  536.796336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.801911]  ? check_preemption_disabled+0x48/0x280
[  536.806949]  irq_exit+0x17f/0x1c0
[  536.810403]  smp_apic_timer_interrupt+0x1cb/0x760
[  536.815246]  ? smp_reschedule_interrupt+0x109/0x650
[  536.820264]  ? smp_call_function_single_interrupt+0x650/0x650
[  536.826154]  ? interrupt_entry+0xb5/0xc0
[  536.830221]  ? trace_hardirqs_off_caller+0xbb/0x310
[  536.835237]  ? trace_hardirqs_off_caller+0xbb/0x310
[  536.840265]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  536.845138]  ? trace_hardirqs_on_caller+0x310/0x310
[  536.850157]  ? trace_hardirqs_on_caller+0x310/0x310
[  536.855186]  ? task_prio+0x50/0x50
[  536.858742]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  536.864283]  ? check_preemption_disabled+0x48/0x280
[  536.869314]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  536.874169]  apic_timer_interrupt+0xf/0x20
[  536.878413]  </IRQ>
[  536.880652] RIP: 0010:console_unlock+0x102f/0x1190
[  536.885597] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  536.904527] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  536.912235] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  536.919515] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  536.926785] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  536.934070] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  536.941339] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  536.948625]  ? netconsole_netdev_event+0x280/0x280
[  536.953569]  ? console_unlock+0x1026/0x1190
[  536.957916]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  536.962589]  ? vprintk_emit+0x846/0x990
[  536.966585]  ? lock_release+0xa00/0xa00
[  536.970563]  ? trace_hardirqs_on+0x30/0x310
[  536.974893]  ? vprintk_default+0x28/0x30
[  536.978960]  ? trace_hardirqs_off_caller+0x310/0x310
[  536.984067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  536.989633]  vprintk_emit+0x391/0x990
[  536.993445]  ? wake_up_klogd+0x180/0x180
[  536.997542]  ? find_held_lock+0x31/0x1c0
[  537.001647]  ? mark_held_locks+0xc7/0x130
[  537.005815]  ? _raw_spin_unlock_irq+0x27/0x80
[  537.010767]  ? _raw_spin_unlock_irq+0x27/0x80
[  537.015278]  vprintk_default+0x28/0x30
[  537.019171]  vprintk_func+0x7e/0x181
[  537.022891]  printk+0xa7/0xcf
[  537.025998]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  537.030777]  ? _raw_spin_unlock_irq+0x60/0x80
[  537.035287]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  537.040581]  dump_header+0x7cc/0xf72
[  537.044300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  537.049842]  ? check_preemption_disabled+0x48/0x280
[  537.054862]  ? pagefault_out_of_memory+0x197/0x197
[  537.059795]  ? debug_smp_processor_id+0x1c/0x20
[  537.064470]  ? perf_trace_lock+0x14d/0x7a0
[  537.068723]  ? mark_held_locks+0x130/0x130
[  537.072965]  ? lock_is_held_type+0x210/0x210
[  537.077382]  ? debug_smp_processor_id+0x1c/0x20
[  537.082056]  ? zap_class+0x640/0x640
[  537.085783]  ? lock_is_held_type+0x210/0x210
[  537.090189]  ? perf_trace_lock+0x14d/0x7a0
[  537.094432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  537.099979]  ? find_held_lock+0x36/0x1c0
[  537.104051]  ? mark_held_locks+0xc7/0x130
[  537.108323]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  537.113424]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  537.118535]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  537.123140]  ? trace_hardirqs_on+0xbd/0x310
[  537.127467]  ? kasan_check_read+0x11/0x20
[  537.131627]  ? ___ratelimit+0x3b4/0x672
[  537.135635]  ? trace_hardirqs_off_caller+0x310/0x310
[  537.140870]  ? trace_hardirqs_on+0x310/0x310
[  537.145299]  ? lock_downgrade+0x900/0x900
[  537.149451]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  537.154561]  ? ___ratelimit+0x3b9/0x672
[  537.158543]  ? idr_get_free+0xf70/0xf70
[  537.162536]  ? lock_is_held_type+0x210/0x210
[  537.167015]  oom_kill_process.cold.27+0x10/0x903
[  537.171779]  ? zap_class+0x640/0x640
[  537.175510]  ? _raw_spin_unlock+0x2c/0x50
[  537.179661]  ? oom_badness+0xe6/0xaa0
[  537.183468]  ? oom_evaluate_task+0x540/0x540
[  537.187895]  ? find_held_lock+0x36/0x1c0
[  537.191968]  ? out_of_memory+0x974/0x1430
[  537.196121]  ? lock_downgrade+0x900/0x900
[  537.200286]  ? check_preemption_disabled+0x48/0x280
[  537.205307]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  537.210264]  ? kasan_check_read+0x11/0x20
[  537.214410]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  537.219690]  ? rcu_softirq_qs+0x20/0x20
[  537.223675]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  537.228690]  ? oom_evaluate_task+0x302/0x540
[  537.233104]  out_of_memory+0xa84/0x1430
[  537.237095]  ? oom_killer_disable+0x3a0/0x3a0
[  537.241594]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  537.246566]  ? __ww_mutex_check_waiters+0x160/0x160
[  537.251634]  __alloc_pages_slowpath+0x232c/0x2de0
[  537.256540]  ? warn_alloc+0x120/0x120
[  537.260353]  ? mark_held_locks+0x130/0x130
[  537.264597]  ? find_get_entry+0xaae/0x1120
[  537.268860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  537.274399]  ? check_preemption_disabled+0x48/0x280
[  537.279415]  ? filemap_map_pages+0x1a20/0x1a20
[  537.284011]  ? debug_smp_processor_id+0x1c/0x20
[  537.288685]  ? perf_trace_lock+0x14d/0x7a0
[  537.292945]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  537.298505]  ? should_fail+0x22d/0xd01
[  537.302405]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  537.307549]  ? zap_class+0x640/0x640
[  537.311325]  ? __lock_is_held+0xb5/0x140
[  537.315403]  ? mark_held_locks+0x130/0x130
[  537.319660]  ? lock_release+0xa00/0xa00
[  537.323639]  ? perf_trace_sched_process_exec+0x860/0x860
[  537.329095]  ? xa_load+0x2ba/0x460
[  537.332639]  ? lock_downgrade+0x900/0x900
[  537.336797]  ? __might_sleep+0x95/0x190
[  537.340778]  __alloc_pages_nodemask+0xad8/0xea0
[  537.345457]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  537.350484]  ? __page_cache_alloc+0x191/0x5c0
[  537.355013]  ? xa_load+0x2e1/0x460
[  537.358567]  ? xa_clear_mark+0x40/0x40
[  537.362463]  ? zap_class+0x640/0x640
[  537.366198]  ? zap_class+0x640/0x640
[  537.369915]  ? zap_class+0x640/0x640
[  537.373643]  ? __do_page_cache_readahead+0x663/0x810
[  537.378770]  ? find_held_lock+0x36/0x1c0
[  537.382863]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  537.388465]  alloc_pages_current+0x173/0x350
[  537.392907]  __page_cache_alloc+0x38c/0x5c0
[  537.397226]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  537.402174]  ? kasan_check_read+0x11/0x20
[  537.406322]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  537.411623]  ? generic_perform_write+0x6a0/0x6a0
[  537.416387]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  537.421929]  ? check_preemption_disabled+0x48/0x280
[  537.426977]  filemap_fault+0x1595/0x25f0
[  537.431060]  ? __lock_page_or_retry+0xa00/0xa00
[  537.435754]  ? mark_held_locks+0x130/0x130
[  537.439999]  ? filemap_map_pages+0xd6b/0x1a20
[  537.444513]  ? lock_downgrade+0x900/0x900
[  537.448672]  ? check_preemption_disabled+0x48/0x280
[  537.453707]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  537.458660]  ? kasan_check_read+0x11/0x20
[  537.462811]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  537.468093]  ? rcu_softirq_qs+0x20/0x20
[  537.472089]  ? filemap_map_pages+0xd92/0x1a20
[  537.476627]  ? find_get_entries_tag+0x1400/0x1400
[  537.481480]  ? debug_object_destroy+0x2b0/0x2b0
[  537.486174]  ? lock_pi_update_atomic+0x150/0x150
[  537.490977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  537.496542]  ? lock_acquire+0x1ed/0x520
[  537.500531]  ? ext4_filemap_fault+0x7a/0xad
[  537.504882]  ? lock_release+0xa00/0xa00
[  537.508861]  ? perf_trace_sched_process_exec+0x860/0x860
[  537.514322]  ? print_usage_bug+0xc0/0xc0
[  537.518392]  ? print_usage_bug+0xc0/0xc0
[  537.522468]  ? down_read+0x8d/0x120
[  537.526111]  ? ext4_filemap_fault+0x7a/0xad
[  537.530439]  ? __down_interruptible+0x700/0x700
[  537.535158]  ext4_filemap_fault+0x82/0xad
[  537.539343]  __do_fault+0x100/0x6b0
[  537.542980]  ? pmd_devmap_trans_unstable+0x220/0x220
[  537.548109]  ? mark_held_locks+0x130/0x130
[  537.552352]  ? mark_held_locks+0x130/0x130
[  537.556621]  ? debug_smp_processor_id+0x1c/0x20
[  537.561331]  ? perf_trace_lock+0x14d/0x7a0
[  537.565581]  ? lock_downgrade+0x900/0x900
[  537.569740]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  537.575286]  __handle_mm_fault+0x3ea0/0x5be0
[  537.579726]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  537.584572]  ? lock_is_held_type+0x210/0x210
[  537.589000]  ? file_remove_privs+0x540/0x540
[  537.593408]  ? file_remove_privs+0x540/0x540
[  537.597859]  ? zap_class+0x640/0x640
[  537.601599]  ? zap_class+0x640/0x640
[  537.605313]  ? __x64_sys_futex+0x53e/0x6a0
[  537.609555]  ? find_held_lock+0x36/0x1c0
[  537.613626]  ? handle_mm_fault+0x42a/0xc70
[  537.617864]  ? lock_downgrade+0x900/0x900
[  537.622013]  ? check_preemption_disabled+0x48/0x280
[  537.627035]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  537.631984]  ? kasan_check_read+0x11/0x20
[  537.636135]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  537.641415]  ? rcu_softirq_qs+0x20/0x20
[  537.645392]  ? trace_hardirqs_off_caller+0x310/0x310
[  537.650557]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  537.656107]  ? check_preemption_disabled+0x48/0x280
[  537.661134]  handle_mm_fault+0x54f/0xc70
[  537.665215]  ? __handle_mm_fault+0x5be0/0x5be0
[  537.669810]  ? find_vma+0x34/0x190
[  537.673389]  __do_page_fault+0x5e8/0xe60
[  537.677452]  ? trace_hardirqs_off+0xb8/0x310
[  537.681870]  do_page_fault+0xf2/0x7e0
[  537.685672]  ? vmalloc_sync_all+0x30/0x30
[  537.689838]  ? error_entry+0x70/0xd0
[  537.693558]  ? trace_hardirqs_off_caller+0xbb/0x310
[  537.698576]  ? trace_hardirqs_on_caller+0xc0/0x310
[  537.703534]  ? syscall_return_slowpath+0x5e0/0x5e0
[  537.708482]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  537.713341]  ? trace_hardirqs_on_caller+0x310/0x310
[  537.718360]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  537.723831]  ? prepare_exit_to_usermode+0x291/0x3b0
[  537.728852]  ? page_fault+0x8/0x30
[  537.732398]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  537.737247]  ? page_fault+0x8/0x30
[  537.740805]  page_fault+0x1e/0x30
[  537.744273] RIP: 0033:0x45ddf3
[  537.747504] Code: Bad RIP value.
[  537.750867] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  537.756230] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  537.763511] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  537.770789] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  537.778055] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  537.785322] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  537.792624] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  537.792630] warn_alloc_show_mem: 1 callbacks suppressed
[  537.792637] Mem-Info:
[  537.800018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  537.805387] active_anon:147110 inactive_anon:190 isolated_anon:0
[  537.805387]  active_file:13 inactive_file:13 isolated_file:2
[  537.805387]  unevictable:1 dirty:0 writeback:0 unstable:0
[  537.805387]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  537.805387]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  537.805387]  free:13705 free_pcp:247 free_cma:0
[  537.807764] Call Trace:
[  537.817158] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  537.850189]  <IRQ>
[  537.852775] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  537.880278]  dump_stack+0x244/0x39d
[  537.882400] lowmem_reserve[]: 0 2818 6321 6321
[  537.908535]  ? dump_stack_print_info.cold.1+0x20/0x20
[  537.912171] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  537.916756]  warn_alloc.cold.116+0xb7/0x1bd
[  537.921927] lowmem_reserve[]: 0 0 3503 3503
[  537.949611]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  537.953932] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  537.958290]  ? lock_downgrade+0x900/0x900
[  537.963100] lowmem_reserve[]: 0 0 0 0
[  537.991990]  ? trace_hardirqs_off+0xb8/0x310
[  537.996112] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  537.999911]  ? trace_hardirqs_off+0xb8/0x310
[  538.004295] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  538.017821]  __alloc_pages_slowpath+0x2651/0x2de0
[  538.022202] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  538.037333]  ? warn_alloc+0x120/0x120
[  538.042137] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  538.056691]  ? print_usage_bug+0xc0/0xc0
[  538.060520] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  538.069370]  ? warn_alloc+0x120/0x120
[  538.073413] 274 total pagecache pages
[  538.081984]  ? warn_alloc+0x120/0x120
[  538.085771] 0 pages in swap cache
[  538.089559]  ? print_usage_bug+0xc0/0xc0
[  538.093340] Swap cache stats: add 0, delete 0, find 0/0
[  538.096791]  ? kvm_clock_read+0x18/0x30
[  538.100833] Free swap  = 0kB
[  538.106204]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  538.110155] Total swap = 0kB
[  538.113163]  ? print_usage_bug+0xc0/0xc0
[  538.118158] 1965979 pages RAM
[  538.121185]  ? __lock_acquire+0x62f/0x4c20
[  538.125218] 0 pages HighMem/MovableOnly
[  538.125227] 342854 pages reserved
[  538.128329]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  538.132538] 0 pages cma reserved
[  538.136517]  ? should_fail+0x22d/0xd01
[  538.140010] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  538.145473]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  538.145501]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  538.148990] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  538.152765]  ? __lock_acquire+0x62f/0x4c20
[  538.159242] syz-fuzzer cpuset=/ mems_allowed=0
[  538.164532]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  538.193720]  ? __lock_acquire+0x62f/0x4c20
[  538.197965]  ? should_fail+0x22d/0xd01
[  538.201854]  ? rcu_irq_exit+0x1a2/0x390
[  538.205894]  ? mark_held_locks+0x130/0x130
[  538.210149]  ? mark_held_locks+0x130/0x130
[  538.214405]  ? perf_trace_lock+0x14d/0x7a0
[  538.218667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.224237]  ? check_preemption_disabled+0x48/0x280
[  538.229280]  ? zap_class+0x640/0x640
[  538.233010]  ? debug_smp_processor_id+0x1c/0x20
[  538.237698]  ? perf_trace_lock+0x14d/0x7a0
[  538.241936]  ? check_preemption_disabled+0x48/0x280
[  538.246994]  ? lock_is_held_type+0x210/0x210
[  538.251416]  ? __lock_is_held+0xb5/0x140
[  538.255524]  __alloc_pages_nodemask+0xad8/0xea0
[  538.260196]  ? zap_class+0x640/0x640
[  538.263922]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  538.268957]  ? find_held_lock+0x36/0x1c0
[  538.273037]  ? ____cache_alloc_node+0x1c7/0x1e0
[  538.277714]  ? lock_downgrade+0x900/0x900
[  538.281892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.287483]  cache_grow_begin+0xa5/0x8c0
[  538.291561]  ? do_raw_spin_unlock+0xa7/0x330
[  538.295981]  fallback_alloc+0x204/0x2e0
[  538.299981]  ____cache_alloc_node+0x1c7/0x1e0
[  538.304495]  kmem_cache_alloc_node+0xe3/0x730
[  538.309015]  ? ipv6_get_ifaddr+0x42e/0x620
[  538.313268]  __alloc_skb+0x119/0x770
[  538.316986]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  538.322274]  ? netdev_alloc_frag+0x1f0/0x1f0
[  538.326687]  ? lock_downgrade+0x900/0x900
[  538.330852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.336391]  ? refcount_sub_and_test_checked+0x203/0x310
[  538.341846]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  538.347311]  ? addrconf_rs_timer+0x690/0x690
[  538.351737]  ndisc_alloc_skb+0x144/0x340
[  538.355821]  ndisc_send_rs+0x331/0x6e0
[  538.359730]  addrconf_rs_timer+0x314/0x690
[  538.363973]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  538.368231]  call_timer_fn+0x272/0x920
[  538.372123]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  538.376377]  ? process_timeout+0x40/0x40
[  538.380451]  ? __run_timers+0x7da/0xc70
[  538.384445]  ? _raw_spin_unlock_irq+0x27/0x80
[  538.388944]  ? _raw_spin_unlock_irq+0x27/0x80
[  538.393470]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  538.397717]  ? lockdep_hardirqs_on+0x296/0x5b0
[  538.402303]  ? trace_hardirqs_on+0xbd/0x310
[  538.406626]  ? kasan_check_read+0x11/0x20
[  538.410773]  ? __run_timers+0x7da/0xc70
[  538.414751]  ? trace_hardirqs_off_caller+0x310/0x310
[  538.419861]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  538.424124]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  538.428392]  __run_timers+0x7e5/0xc70
[  538.432205]  ? timer_fixup_init+0x70/0x70
[  538.436359]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  538.441381]  ? zap_class+0x640/0x640
[  538.445099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.450657]  ? check_preemption_disabled+0x48/0x280
[  538.455681]  ? debug_smp_processor_id+0x1c/0x20
[  538.460370]  ? perf_trace_lock+0x14d/0x7a0
[  538.464615]  ? find_held_lock+0x36/0x1c0
[  538.468685]  ? zap_class+0x640/0x640
[  538.472450]  ? pvclock_read_flags+0x160/0x160
[  538.476953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.482521]  ? check_preemption_disabled+0x48/0x280
[  538.487556]  ? __lock_is_held+0xb5/0x140
[  538.491648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.497190]  ? check_preemption_disabled+0x48/0x280
[  538.502245]  run_timer_softirq+0x52/0xb0
[  538.506326]  ? rcu_read_lock_sched_held+0x14f/0x180
[  538.511351]  __do_softirq+0x308/0xb7e
[  538.515158]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  538.519657]  ? lock_downgrade+0x900/0x900
[  538.523814]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  538.528929]  ? pvclock_read_flags+0x160/0x160
[  538.533435]  ? lapic_next_event+0x5a/0x90
[  538.537586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.543128]  ? kvm_clock_read+0x18/0x30
[  538.547125]  ? kvm_sched_clock_read+0x9/0x20
[  538.551549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.557097]  ? check_preemption_disabled+0x48/0x280
[  538.562160]  irq_exit+0x17f/0x1c0
[  538.565635]  smp_apic_timer_interrupt+0x1cb/0x760
[  538.570477]  ? smp_reschedule_interrupt+0x109/0x650
[  538.575516]  ? smp_call_function_single_interrupt+0x650/0x650
[  538.581404]  ? interrupt_entry+0xb5/0xc0
[  538.585498]  ? trace_hardirqs_off_caller+0xbb/0x310
[  538.590566]  ? trace_hardirqs_off_caller+0xbb/0x310
[  538.595588]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  538.600433]  ? trace_hardirqs_on_caller+0x310/0x310
[  538.605453]  ? trace_hardirqs_on_caller+0x310/0x310
[  538.610505]  ? task_prio+0x50/0x50
[  538.614048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.619601]  ? check_preemption_disabled+0x48/0x280
[  538.624627]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  538.629502]  apic_timer_interrupt+0xf/0x20
[  538.633736]  </IRQ>
[  538.635979] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  538.640917] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  538.659832] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  538.667544] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  538.674818] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  538.682089] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  538.689359] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  538.696627] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  538.703941]  skb_clone+0x1bb/0x500
[  538.707532]  ? skb_split+0x11e0/0x11e0
[  538.711431]  ? debug_smp_processor_id+0x1c/0x20
[  538.716109]  ? perf_trace_lock+0x14d/0x7a0
[  538.720345]  ? __switch_to_asm+0x34/0x70
[  538.724407]  ? __switch_to_asm+0x40/0x70
[  538.728472]  ? __switch_to_asm+0x40/0x70
[  538.732550]  ? __switch_to_asm+0x34/0x70
[  538.736628]  bpf_clone_redirect+0xb9/0x490
[  538.740875]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  538.745810]  ? __sched_text_start+0x8/0x8
[  538.749977]  ? find_held_lock+0x36/0x1c0
[  538.754053]  ? lock_acquire+0x1ed/0x520
[  538.758033]  ? bpf_test_run+0x3cb/0x780
[  538.762039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  538.767578]  ? check_preemption_disabled+0x48/0x280
[  538.772607]  ? kasan_check_read+0x11/0x20
[  538.776768]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  538.782049]  ? rcu_softirq_qs+0x20/0x20
[  538.786042]  ? preempt_schedule+0x4d/0x60
[  538.790191]  ? ___preempt_schedule+0x16/0x18
[  538.794613]  ? bpf_test_run+0x25d/0x780
[  538.798622]  ? netlink_diag_dump+0x2a0/0x2a0
[  538.803039]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  538.808601]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  538.813370]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  538.818214]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  538.823761]  ? fput+0x130/0x1a0
[  538.827050]  ? __bpf_prog_get+0x9b/0x290
[  538.831121]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  538.835967]  ? bpf_prog_test_run+0x130/0x1a0
[  538.840389]  ? __x64_sys_bpf+0x3d8/0x520
[  538.844455]  ? bpf_prog_get+0x20/0x20
[  538.848294]  ? do_syscall_64+0x1b9/0x820
[  538.852356]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  538.857752]  ? syscall_return_slowpath+0x5e0/0x5e0
[  538.862681]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  538.867542]  ? trace_hardirqs_on_caller+0x310/0x310
[  538.872595]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  538.877619]  ? prepare_exit_to_usermode+0x291/0x3b0
[  538.882651]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  538.887510]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  538.892918] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  538.892993] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  538.899935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  538.899941] Call Trace:
[  538.899948]  <IRQ>
[  538.899967]  dump_stack+0x244/0x39d
[  538.899987]  ? dump_stack_print_info.cold.1+0x20/0x20
[  538.906578] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  538.915858]  warn_alloc.cold.116+0xb7/0x1bd
[  538.918413] syz-executor4 cpuset=syz4 mems_allowed=0
[  538.920557]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  538.954061]  ? lock_downgrade+0x900/0x900
[  538.958244]  ? trace_hardirqs_off+0xb8/0x310
[  538.962667]  ? trace_hardirqs_off+0xb8/0x310
[  538.967092]  __alloc_pages_slowpath+0x2651/0x2de0
[  538.971983]  ? warn_alloc+0x120/0x120
[  538.975798]  ? print_usage_bug+0xc0/0xc0
[  538.979883]  ? warn_alloc+0x120/0x120
[  538.983702]  ? warn_alloc+0x120/0x120
[  538.987519]  ? print_usage_bug+0xc0/0xc0
[  538.991586]  ? kvm_clock_read+0x18/0x30
[  538.995566]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  539.000609]  ? print_usage_bug+0xc0/0xc0
[  539.004679]  ? __lock_acquire+0x62f/0x4c20
[  539.008942]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  539.014972]  ? should_fail+0x22d/0xd01
[  539.018894]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  539.024191]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  539.029296]  ? __lock_acquire+0x62f/0x4c20
[  539.033537]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  539.038651]  ? __lock_acquire+0x62f/0x4c20
[  539.042885]  ? should_fail+0x22d/0xd01
[  539.046773]  ? rcu_irq_exit+0x1a2/0x390
[  539.050761]  ? mark_held_locks+0x130/0x130
[  539.055004]  ? mark_held_locks+0x130/0x130
[  539.059244]  ? perf_trace_lock+0x14d/0x7a0
[  539.063495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.069059]  ? check_preemption_disabled+0x48/0x280
[  539.074073]  ? zap_class+0x640/0x640
[  539.077794]  ? debug_smp_processor_id+0x1c/0x20
[  539.082485]  ? perf_trace_lock+0x14d/0x7a0
[  539.086751]  ? check_preemption_disabled+0x48/0x280
[  539.091823]  ? lock_is_held_type+0x210/0x210
[  539.096235]  ? __lock_is_held+0xb5/0x140
[  539.100305]  __alloc_pages_nodemask+0xad8/0xea0
[  539.104979]  ? zap_class+0x640/0x640
[  539.108701]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  539.113765]  ? find_held_lock+0x36/0x1c0
[  539.117840]  ? ____cache_alloc_node+0x1c7/0x1e0
[  539.122532]  ? lock_downgrade+0x900/0x900
[  539.126707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.132264]  cache_grow_begin+0xa5/0x8c0
[  539.136325]  ? do_raw_spin_unlock+0xa7/0x330
[  539.140852]  fallback_alloc+0x204/0x2e0
[  539.144830]  ____cache_alloc_node+0x1c7/0x1e0
[  539.149336]  kmem_cache_alloc_node+0xe3/0x730
[  539.153834]  ? ipv6_get_ifaddr+0x42e/0x620
[  539.158105]  __alloc_skb+0x119/0x770
[  539.161821]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  539.167104]  ? netdev_alloc_frag+0x1f0/0x1f0
[  539.171538]  ? lock_downgrade+0x900/0x900
[  539.175715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.181255]  ? refcount_sub_and_test_checked+0x203/0x310
[  539.186713]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  539.192168]  ? addrconf_rs_timer+0x690/0x690
[  539.196614]  ndisc_alloc_skb+0x144/0x340
[  539.200687]  ndisc_send_rs+0x331/0x6e0
[  539.204589]  addrconf_rs_timer+0x314/0x690
[  539.208881]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  539.213133]  call_timer_fn+0x272/0x920
[  539.217021]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  539.221260]  ? process_timeout+0x40/0x40
[  539.225335]  ? mark_held_locks+0xc7/0x130
[  539.229505]  ? _raw_spin_unlock_irq+0x27/0x80
[  539.234004]  ? _raw_spin_unlock_irq+0x27/0x80
[  539.238512]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  539.242766]  ? lockdep_hardirqs_on+0x296/0x5b0
[  539.247362]  ? trace_hardirqs_on+0xbd/0x310
[  539.251689]  ? kasan_check_read+0x11/0x20
[  539.255845]  ? __run_timers+0x7da/0xc70
[  539.259822]  ? trace_hardirqs_off_caller+0x310/0x310
[  539.264965]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  539.269240]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  539.273475]  __run_timers+0x7e5/0xc70
[  539.277304]  ? timer_fixup_init+0x70/0x70
[  539.281471]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  539.286523]  ? zap_class+0x640/0x640
[  539.290249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.295795]  ? print_usage_bug+0xc0/0xc0
[  539.299864]  ? debug_smp_processor_id+0x1c/0x20
[  539.304539]  ? perf_trace_lock+0x14d/0x7a0
[  539.308792]  ? find_held_lock+0x36/0x1c0
[  539.312864]  ? zap_class+0x640/0x640
[  539.316605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.322145]  ? check_preemption_disabled+0x48/0x280
[  539.327174]  ? __lock_is_held+0xb5/0x140
[  539.331238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.336781]  ? check_preemption_disabled+0x48/0x280
[  539.341815]  run_timer_softirq+0x52/0xb0
[  539.345884]  ? rcu_read_lock_sched_held+0x14f/0x180
[  539.350922]  __do_softirq+0x308/0xb7e
[  539.354732]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  539.359241]  ? lock_downgrade+0x900/0x900
[  539.363423]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  539.368543]  ? pvclock_read_flags+0x160/0x160
[  539.373063]  ? lapic_next_event+0x5a/0x90
[  539.377223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.382769]  ? kvm_clock_read+0x18/0x30
[  539.386742]  ? kvm_sched_clock_read+0x9/0x20
[  539.391168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.396720]  ? check_preemption_disabled+0x48/0x280
[  539.401751]  irq_exit+0x17f/0x1c0
[  539.405210]  smp_apic_timer_interrupt+0x1cb/0x760
[  539.410051]  ? smp_reschedule_interrupt+0x109/0x650
[  539.415068]  ? smp_call_function_single_interrupt+0x650/0x650
[  539.420957]  ? interrupt_entry+0xb5/0xc0
[  539.425027]  ? trace_hardirqs_off_caller+0xbb/0x310
[  539.430047]  ? trace_hardirqs_off_caller+0xbb/0x310
[  539.435068]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  539.439913]  ? trace_hardirqs_on_caller+0x310/0x310
[  539.444934]  ? trace_hardirqs_on_caller+0x310/0x310
[  539.449953]  ? task_prio+0x50/0x50
[  539.453524]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  539.459066]  ? check_preemption_disabled+0x48/0x280
[  539.464102]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  539.468968]  apic_timer_interrupt+0xf/0x20
[  539.473216]  </IRQ>
[  539.475457] RIP: 0010:console_unlock+0x102f/0x1190
[  539.480421] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  539.499335] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  539.507041] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  539.514310] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  539.521585] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  539.528858] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  539.536159] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  539.543439]  ? netconsole_netdev_event+0x280/0x280
[  539.548375]  ? console_unlock+0x1026/0x1190
[  539.552716]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  539.557380]  ? vprintk_emit+0x846/0x990
[  539.561359]  ? lock_release+0xa00/0xa00
[  539.565339]  ? trace_hardirqs_on+0x30/0x310
[  539.569687]  ? vprintk_default+0x28/0x30
[  539.573756]  ? trace_hardirqs_off_caller+0x310/0x310
[  539.578882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.584425]  vprintk_emit+0x391/0x990
[  539.588236]  ? wake_up_klogd+0x180/0x180
[  539.592336]  ? find_held_lock+0x31/0x1c0
[  539.596424]  ? mark_held_locks+0xc7/0x130
[  539.600576]  ? _raw_spin_unlock_irq+0x27/0x80
[  539.605075]  ? _raw_spin_unlock_irq+0x27/0x80
[  539.609578]  vprintk_default+0x28/0x30
[  539.613472]  vprintk_func+0x7e/0x181
[  539.617200]  printk+0xa7/0xcf
[  539.620312]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  539.625075]  ? _raw_spin_unlock_irq+0x60/0x80
[  539.629585]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  539.634902]  dump_header+0x7cc/0xf72
[  539.638625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.644168]  ? check_preemption_disabled+0x48/0x280
[  539.649196]  ? pagefault_out_of_memory+0x197/0x197
[  539.654135]  ? debug_smp_processor_id+0x1c/0x20
[  539.658809]  ? perf_trace_lock+0x14d/0x7a0
[  539.663047]  ? mark_held_locks+0x130/0x130
[  539.667285]  ? lock_is_held_type+0x210/0x210
[  539.671718]  ? debug_smp_processor_id+0x1c/0x20
[  539.676393]  ? zap_class+0x640/0x640
[  539.680118]  ? lock_is_held_type+0x210/0x210
[  539.684531]  ? perf_trace_lock+0x14d/0x7a0
[  539.688770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.694317]  ? find_held_lock+0x36/0x1c0
[  539.698391]  ? mark_held_locks+0xc7/0x130
[  539.702556]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  539.707666]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  539.712772]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  539.717370]  ? trace_hardirqs_on+0xbd/0x310
[  539.721696]  ? kasan_check_read+0x11/0x20
[  539.725845]  ? ___ratelimit+0x3b4/0x672
[  539.729826]  ? trace_hardirqs_off_caller+0x310/0x310
[  539.734936]  ? trace_hardirqs_on+0x310/0x310
[  539.739346]  ? lock_downgrade+0x900/0x900
[  539.743544]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  539.748670]  ? ___ratelimit+0x3b9/0x672
[  539.752675]  ? idr_get_free+0xf70/0xf70
[  539.756655]  ? lock_is_held_type+0x210/0x210
[  539.761089]  oom_kill_process.cold.27+0x10/0x903
[  539.765847]  ? zap_class+0x640/0x640
[  539.769595]  ? _raw_spin_unlock+0x2c/0x50
[  539.773746]  ? oom_badness+0xe6/0xaa0
[  539.777572]  ? oom_evaluate_task+0x540/0x540
[  539.781991]  ? find_held_lock+0x36/0x1c0
[  539.786081]  ? out_of_memory+0x974/0x1430
[  539.790238]  ? lock_downgrade+0x900/0x900
[  539.794388]  ? check_preemption_disabled+0x48/0x280
[  539.799429]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  539.804375]  ? kasan_check_read+0x11/0x20
[  539.808534]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  539.813814]  ? rcu_softirq_qs+0x20/0x20
[  539.817802]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  539.822840]  ? oom_evaluate_task+0x302/0x540
[  539.827259]  out_of_memory+0xa84/0x1430
[  539.831251]  ? oom_killer_disable+0x3a0/0x3a0
[  539.835754]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  539.840693]  ? __ww_mutex_check_waiters+0x160/0x160
[  539.845728]  __alloc_pages_slowpath+0x232c/0x2de0
[  539.850617]  ? warn_alloc+0x120/0x120
[  539.854448]  ? mark_held_locks+0x130/0x130
[  539.858693]  ? find_get_entry+0xaae/0x1120
[  539.862951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  539.868558]  ? check_preemption_disabled+0x48/0x280
[  539.873676]  ? filemap_map_pages+0x1a20/0x1a20
[  539.878270]  ? debug_smp_processor_id+0x1c/0x20
[  539.882959]  ? perf_trace_lock+0x14d/0x7a0
[  539.887225]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  539.892786]  ? should_fail+0x22d/0xd01
[  539.896680]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  539.901807]  ? zap_class+0x640/0x640
[  539.905597]  ? __lock_is_held+0xb5/0x140
[  539.909670]  ? mark_held_locks+0x130/0x130
[  539.913910]  ? lock_release+0xa00/0xa00
[  539.917906]  ? perf_trace_sched_process_exec+0x860/0x860
[  539.923364]  ? xa_load+0x2ba/0x460
[  539.926911]  ? lock_downgrade+0x900/0x900
[  539.931086]  ? __might_sleep+0x95/0x190
[  539.935073]  __alloc_pages_nodemask+0xad8/0xea0
[  539.939753]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  539.944787]  ? __page_cache_alloc+0x191/0x5c0
[  539.949283]  ? xa_load+0x2e1/0x460
[  539.952826]  ? xa_clear_mark+0x40/0x40
[  539.956719]  ? zap_class+0x640/0x640
[  539.960448]  ? zap_class+0x640/0x640
[  539.964161]  ? zap_class+0x640/0x640
[  539.967877]  ? __do_page_cache_readahead+0x663/0x810
[  539.972991]  ? find_held_lock+0x36/0x1c0
[  539.977071]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  539.982634]  alloc_pages_current+0x173/0x350
[  539.987054]  __page_cache_alloc+0x38c/0x5c0
[  539.991377]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  539.996307]  ? kasan_check_read+0x11/0x20
[  540.000461]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  540.005758]  ? generic_perform_write+0x6a0/0x6a0
[  540.010530]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  540.016072]  ? check_preemption_disabled+0x48/0x280
[  540.021117]  filemap_fault+0x1595/0x25f0
[  540.025213]  ? __lock_page_or_retry+0xa00/0xa00
[  540.029889]  ? mark_held_locks+0x130/0x130
[  540.034152]  ? filemap_map_pages+0xd6b/0x1a20
[  540.038652]  ? lock_downgrade+0x900/0x900
[  540.042804]  ? check_preemption_disabled+0x48/0x280
[  540.047829]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  540.052759]  ? kasan_check_read+0x11/0x20
[  540.056908]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  540.062187]  ? rcu_softirq_qs+0x20/0x20
[  540.066178]  ? filemap_map_pages+0xd92/0x1a20
[  540.070746]  ? find_get_entries_tag+0x1400/0x1400
[  540.075612]  ? debug_object_destroy+0x2b0/0x2b0
[  540.080296]  ? lock_pi_update_atomic+0x150/0x150
[  540.085063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  540.090616]  ? lock_acquire+0x1ed/0x520
[  540.094597]  ? ext4_filemap_fault+0x7a/0xad
[  540.098930]  ? lock_release+0xa00/0xa00
[  540.102907]  ? perf_trace_sched_process_exec+0x860/0x860
[  540.108367]  ? print_usage_bug+0xc0/0xc0
[  540.112431]  ? print_usage_bug+0xc0/0xc0
[  540.116525]  ? down_read+0x8d/0x120
[  540.120153]  ? ext4_filemap_fault+0x7a/0xad
[  540.124482]  ? __down_interruptible+0x700/0x700
[  540.129179]  ext4_filemap_fault+0x82/0xad
[  540.133346]  __do_fault+0x100/0x6b0
[  540.137013]  ? pmd_devmap_trans_unstable+0x220/0x220
[  540.142139]  ? mark_held_locks+0x130/0x130
[  540.146373]  ? mark_held_locks+0x130/0x130
[  540.150617]  ? debug_smp_processor_id+0x1c/0x20
[  540.155286]  ? perf_trace_lock+0x14d/0x7a0
[  540.159555]  ? lock_downgrade+0x900/0x900
[  540.163713]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  540.169257]  __handle_mm_fault+0x3ea0/0x5be0
[  540.173678]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  540.178537]  ? lock_is_held_type+0x210/0x210
[  540.182964]  ? file_remove_privs+0x540/0x540
[  540.187431]  ? file_remove_privs+0x540/0x540
[  540.191854]  ? zap_class+0x640/0x640
[  540.195571]  ? zap_class+0x640/0x640
[  540.199287]  ? __x64_sys_futex+0x53e/0x6a0
[  540.203546]  ? find_held_lock+0x36/0x1c0
[  540.207620]  ? handle_mm_fault+0x42a/0xc70
[  540.211874]  ? lock_downgrade+0x900/0x900
[  540.216025]  ? check_preemption_disabled+0x48/0x280
[  540.221045]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  540.225975]  ? kasan_check_read+0x11/0x20
[  540.230129]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  540.235426]  ? rcu_softirq_qs+0x20/0x20
[  540.239402]  ? trace_hardirqs_off_caller+0x310/0x310
[  540.244521]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  540.250069]  ? check_preemption_disabled+0x48/0x280
[  540.255100]  handle_mm_fault+0x54f/0xc70
[  540.259169]  ? __handle_mm_fault+0x5be0/0x5be0
[  540.263782]  ? find_vma+0x34/0x190
[  540.267330]  __do_page_fault+0x5e8/0xe60
[  540.271395]  ? trace_hardirqs_off+0xb8/0x310
[  540.275822]  do_page_fault+0xf2/0x7e0
[  540.279629]  ? vmalloc_sync_all+0x30/0x30
[  540.283781]  ? error_entry+0x70/0xd0
[  540.287512]  ? trace_hardirqs_off_caller+0xbb/0x310
[  540.292538]  ? trace_hardirqs_on_caller+0xc0/0x310
[  540.297473]  ? syscall_return_slowpath+0x5e0/0x5e0
[  540.302417]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  540.307263]  ? trace_hardirqs_on_caller+0x310/0x310
[  540.312287]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  540.317747]  ? prepare_exit_to_usermode+0x291/0x3b0
[  540.322769]  ? page_fault+0x8/0x30
[  540.326317]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  540.331180]  ? page_fault+0x8/0x30
[  540.334728]  page_fault+0x1e/0x30
[  540.338218] RIP: 0033:0x45ddf3
[  540.341437] Code: Bad RIP value.
[  540.344799] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  540.350163] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  540.357450] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  540.365067] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  540.372338] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  540.379606] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  540.386922] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  540.386929] warn_alloc_show_mem: 1 callbacks suppressed
[  540.386936] Mem-Info:
[  540.394338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  540.399705] active_anon:147110 inactive_anon:190 isolated_anon:0
[  540.399705]  active_file:13 inactive_file:13 isolated_file:2
[  540.399705]  unevictable:1 dirty:0 writeback:0 unstable:0
[  540.399705]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  540.399705]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  540.399705]  free:13705 free_pcp:247 free_cma:0
[  540.402079] Call Trace:
[  540.411469] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  540.444510]  <IRQ>
[  540.447085] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  540.474586]  dump_stack+0x244/0x39d
[  540.476707] lowmem_reserve[]: 0 2818 6321 6321
[  540.502819]  ? dump_stack_print_info.cold.1+0x20/0x20
[  540.506423] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  540.511014]  warn_alloc.cold.116+0xb7/0x1bd
[  540.516164] lowmem_reserve[]: 0 0 3503 3503
[  540.543838]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  540.548138] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  540.552454]  ? lock_downgrade+0x900/0x900
[  540.557271] lowmem_reserve[]: 0 0 0 0
[  540.586167]  ? trace_hardirqs_off+0xb8/0x310
[  540.590285] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  540.594084]  ? trace_hardirqs_off+0xb8/0x310
[  540.598480] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  540.612023]  __alloc_pages_slowpath+0x2651/0x2de0
[  540.616400] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  540.631520]  ? warn_alloc+0x120/0x120
[  540.636323] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  540.650882]  ? print_usage_bug+0xc0/0xc0
[  540.654678] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  540.663511]  ? warn_alloc+0x120/0x120
[  540.667555] 274 total pagecache pages
[  540.676127]  ? warn_alloc+0x120/0x120
[  540.679976] 0 pages in swap cache
[  540.683774]  ? print_usage_bug+0xc0/0xc0
[  540.687552] Swap cache stats: add 0, delete 0, find 0/0
[  540.691035]  ? kvm_clock_read+0x18/0x30
[  540.695079] Free swap  = 0kB
[  540.700440]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  540.704393] Total swap = 0kB
[  540.707406]  ? print_usage_bug+0xc0/0xc0
[  540.712400] 1965979 pages RAM
[  540.715676]  ? __lock_acquire+0x62f/0x4c20
[  540.719715] 0 pages HighMem/MovableOnly
[  540.722818]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  540.727028] 342854 pages reserved
[  540.730998]  ? should_fail+0x22d/0xd01
[  540.736524] 0 pages cma reserved
[  540.739977]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  540.743905] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  540.747205]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  540.747222]  ? __lock_acquire+0x62f/0x4c20
[  540.747241]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  540.752569] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  540.758994]  ? __lock_acquire+0x62f/0x4c20
[  540.764075] syz-fuzzer cpuset=/ mems_allowed=0
[  540.768303]  ? should_fail+0x22d/0xd01
[  540.796283]  ? rcu_irq_exit+0x1a2/0x390
[  540.800272]  ? mark_held_locks+0x130/0x130
[  540.804523]  ? mark_held_locks+0x130/0x130
[  540.808762]  ? perf_trace_lock+0x14d/0x7a0
[  540.813013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  540.818560]  ? check_preemption_disabled+0x48/0x280
[  540.823580]  ? zap_class+0x640/0x640
[  540.827302]  ? debug_smp_processor_id+0x1c/0x20
[  540.831975]  ? perf_trace_lock+0x14d/0x7a0
[  540.836219]  ? check_preemption_disabled+0x48/0x280
[  540.841249]  ? lock_is_held_type+0x210/0x210
[  540.845664]  ? __lock_is_held+0xb5/0x140
[  540.849740]  __alloc_pages_nodemask+0xad8/0xea0
[  540.854414]  ? zap_class+0x640/0x640
[  540.858136]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  540.863167]  ? find_held_lock+0x36/0x1c0
[  540.867247]  ? ____cache_alloc_node+0x1c7/0x1e0
[  540.871920]  ? lock_downgrade+0x900/0x900
[  540.876086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  540.881638]  cache_grow_begin+0xa5/0x8c0
[  540.885705]  ? do_raw_spin_unlock+0xa7/0x330
[  540.890127]  fallback_alloc+0x204/0x2e0
[  540.894112]  ____cache_alloc_node+0x1c7/0x1e0
[  540.898617]  kmem_cache_alloc_node+0xe3/0x730
[  540.903120]  ? ipv6_get_ifaddr+0x42e/0x620
[  540.907369]  __alloc_skb+0x119/0x770
[  540.911087]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  540.916371]  ? netdev_alloc_frag+0x1f0/0x1f0
[  540.920784]  ? lock_downgrade+0x900/0x900
[  540.924944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  540.930497]  ? refcount_sub_and_test_checked+0x203/0x310
[  540.935959]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  540.941417]  ? addrconf_rs_timer+0x690/0x690
[  540.945843]  ndisc_alloc_skb+0x144/0x340
[  540.949912]  ndisc_send_rs+0x331/0x6e0
[  540.953814]  addrconf_rs_timer+0x314/0x690
[  540.958062]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  540.962316]  call_timer_fn+0x272/0x920
[  540.966204]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  540.970445]  ? process_timeout+0x40/0x40
[  540.974525]  ? __run_timers+0x7da/0xc70
[  540.978516]  ? _raw_spin_unlock_irq+0x27/0x80
[  540.983022]  ? _raw_spin_unlock_irq+0x27/0x80
[  540.987536]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  540.991774]  ? lockdep_hardirqs_on+0x296/0x5b0
[  540.996366]  ? trace_hardirqs_on+0xbd/0x310
[  541.000692]  ? kasan_check_read+0x11/0x20
[  541.004840]  ? __run_timers+0x7da/0xc70
[  541.008818]  ? trace_hardirqs_off_caller+0x310/0x310
[  541.014107]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  541.018352]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  541.022589]  __run_timers+0x7e5/0xc70
[  541.026440]  ? timer_fixup_init+0x70/0x70
[  541.030592]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  541.035617]  ? zap_class+0x640/0x640
[  541.039337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.044883]  ? check_preemption_disabled+0x48/0x280
[  541.049913]  ? debug_smp_processor_id+0x1c/0x20
[  541.054590]  ? perf_trace_lock+0x14d/0x7a0
[  541.058836]  ? find_held_lock+0x36/0x1c0
[  541.062906]  ? zap_class+0x640/0x640
[  541.066634]  ? pvclock_read_flags+0x160/0x160
[  541.071138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.076684]  ? check_preemption_disabled+0x48/0x280
[  541.081722]  ? __lock_is_held+0xb5/0x140
[  541.085790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.091334]  ? check_preemption_disabled+0x48/0x280
[  541.096364]  run_timer_softirq+0x52/0xb0
[  541.100431]  ? rcu_read_lock_sched_held+0x14f/0x180
[  541.105454]  __do_softirq+0x308/0xb7e
[  541.109266]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  541.113763]  ? lock_downgrade+0x900/0x900
[  541.117936]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  541.123080]  ? pvclock_read_flags+0x160/0x160
[  541.127583]  ? lapic_next_event+0x5a/0x90
[  541.131742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.137292]  ? kvm_clock_read+0x18/0x30
[  541.141775]  ? kvm_sched_clock_read+0x9/0x20
[  541.146191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.151755]  ? check_preemption_disabled+0x48/0x280
[  541.156786]  irq_exit+0x17f/0x1c0
[  541.160245]  smp_apic_timer_interrupt+0x1cb/0x760
[  541.165093]  ? smp_reschedule_interrupt+0x109/0x650
[  541.170112]  ? smp_call_function_single_interrupt+0x650/0x650
[  541.176006]  ? interrupt_entry+0xb5/0xc0
[  541.180072]  ? trace_hardirqs_off_caller+0xbb/0x310
[  541.185089]  ? trace_hardirqs_off_caller+0xbb/0x310
[  541.190112]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  541.194984]  ? trace_hardirqs_on_caller+0x310/0x310
[  541.200014]  ? trace_hardirqs_on_caller+0x310/0x310
[  541.205036]  ? task_prio+0x50/0x50
[  541.208581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.214123]  ? check_preemption_disabled+0x48/0x280
[  541.219151]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  541.224018]  apic_timer_interrupt+0xf/0x20
[  541.228252]  </IRQ>
[  541.230502] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  541.235442] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  541.254345] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  541.262056] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  541.269327] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  541.276597] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  541.283868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  541.291167] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  541.298487]  skb_clone+0x1bb/0x500
[  541.302047]  ? skb_split+0x11e0/0x11e0
[  541.305947]  ? debug_smp_processor_id+0x1c/0x20
[  541.310621]  ? perf_trace_lock+0x14d/0x7a0
[  541.314862]  ? __switch_to_asm+0x34/0x70
[  541.318923]  ? __switch_to_asm+0x40/0x70
[  541.322987]  ? __switch_to_asm+0x40/0x70
[  541.327051]  ? __switch_to_asm+0x34/0x70
[  541.331128]  bpf_clone_redirect+0xb9/0x490
[  541.335380]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  541.340339]  ? __sched_text_start+0x8/0x8
[  541.344515]  ? find_held_lock+0x36/0x1c0
[  541.348593]  ? lock_acquire+0x1ed/0x520
[  541.352577]  ? bpf_test_run+0x3cb/0x780
[  541.356557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.362100]  ? check_preemption_disabled+0x48/0x280
[  541.367125]  ? kasan_check_read+0x11/0x20
[  541.371282]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  541.376560]  ? rcu_softirq_qs+0x20/0x20
[  541.380542]  ? preempt_schedule+0x4d/0x60
[  541.384697]  ? ___preempt_schedule+0x16/0x18
[  541.389121]  ? bpf_test_run+0x25d/0x780
[  541.393119]  ? netlink_diag_dump+0x2a0/0x2a0
[  541.397546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  541.403096]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  541.407871]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  541.412715]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  541.418255]  ? fput+0x130/0x1a0
[  541.421544]  ? __bpf_prog_get+0x9b/0x290
[  541.425614]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  541.430466]  ? bpf_prog_test_run+0x130/0x1a0
[  541.434890]  ? __x64_sys_bpf+0x3d8/0x520
[  541.438958]  ? bpf_prog_get+0x20/0x20
[  541.442783]  ? do_syscall_64+0x1b9/0x820
[  541.446850]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  541.452222]  ? syscall_return_slowpath+0x5e0/0x5e0
[  541.457157]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  541.462011]  ? trace_hardirqs_on_caller+0x310/0x310
[  541.467049]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  541.472073]  ? prepare_exit_to_usermode+0x291/0x3b0
[  541.477114]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  541.481999]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  541.487412] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  541.487510] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  541.494431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  541.494440] Call Trace:
[  541.501025] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  541.510271]  <IRQ>
[  541.512858] syz-executor4 cpuset=syz4 mems_allowed=0
[  541.523347]  dump_stack+0x244/0x39d
[  541.534204]  ? dump_stack_print_info.cold.1+0x20/0x20
[  541.539454]  warn_alloc.cold.116+0xb7/0x1bd
[  541.543778]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  541.548631]  ? lock_downgrade+0x900/0x900
[  541.552790]  ? trace_hardirqs_off+0xb8/0x310
[  541.557207]  ? trace_hardirqs_off+0xb8/0x310
[  541.561632]  __alloc_pages_slowpath+0x2651/0x2de0
[  541.566526]  ? warn_alloc+0x120/0x120
[  541.570335]  ? print_usage_bug+0xc0/0xc0
[  541.574404]  ? warn_alloc+0x120/0x120
[  541.578213]  ? debug_smp_processor_id+0x1c/0x20
[  541.582902]  ? warn_alloc+0x120/0x120
[  541.586709]  ? print_usage_bug+0xc0/0xc0
[  541.590778]  ? print_usage_bug+0xc0/0xc0
[  541.594847]  ? __lock_acquire+0x62f/0x4c20
[  541.599094]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  541.604633]  ? should_fail+0x22d/0xd01
[  541.608538]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  541.613651]  ? __lock_acquire+0x62f/0x4c20
[  541.617922]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  541.623040]  ? __lock_acquire+0x62f/0x4c20
[  541.627274]  ? should_fail+0x22d/0xd01
[  541.631168]  ? find_held_lock+0x36/0x1c0
[  541.635250]  ? mark_held_locks+0x130/0x130
[  541.639535]  ? mark_held_locks+0x130/0x130
[  541.643775]  ? perf_trace_lock+0x14d/0x7a0
[  541.648012]  ? zap_class+0x640/0x640
[  541.651734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.657295]  ? check_preemption_disabled+0x48/0x280
[  541.662307]  ? zap_class+0x640/0x640
[  541.666031]  ? debug_smp_processor_id+0x1c/0x20
[  541.670702]  ? perf_trace_lock+0x14d/0x7a0
[  541.674939]  ? check_preemption_disabled+0x48/0x280
[  541.679980]  ? lock_is_held_type+0x210/0x210
[  541.684405]  ? __lock_is_held+0xb5/0x140
[  541.688477]  __alloc_pages_nodemask+0xad8/0xea0
[  541.693162]  ? zap_class+0x640/0x640
[  541.696901]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  541.701948]  ? find_held_lock+0x36/0x1c0
[  541.706027]  ? ____cache_alloc_node+0x1c7/0x1e0
[  541.710701]  ? lock_downgrade+0x900/0x900
[  541.714865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.720415]  cache_grow_begin+0xa5/0x8c0
[  541.724477]  ? do_raw_spin_unlock+0xa7/0x330
[  541.728925]  fallback_alloc+0x204/0x2e0
[  541.732910]  ____cache_alloc_node+0x1c7/0x1e0
[  541.737430]  kmem_cache_alloc_node+0xe3/0x730
[  541.741931]  ? ipv6_get_ifaddr+0x42e/0x620
[  541.746185]  __alloc_skb+0x119/0x770
[  541.749903]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  541.755188]  ? netdev_alloc_frag+0x1f0/0x1f0
[  541.759618]  ? lock_downgrade+0x900/0x900
[  541.763779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.769322]  ? refcount_sub_and_test_checked+0x203/0x310
[  541.774790]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  541.780244]  ? addrconf_rs_timer+0x690/0x690
[  541.784672]  ndisc_alloc_skb+0x144/0x340
[  541.788746]  ndisc_send_rs+0x331/0x6e0
[  541.792647]  addrconf_rs_timer+0x314/0x690
[  541.796894]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  541.801163]  call_timer_fn+0x272/0x920
[  541.805054]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  541.809305]  ? process_timeout+0x40/0x40
[  541.813381]  ? mark_held_locks+0xc7/0x130
[  541.817539]  ? _raw_spin_unlock_irq+0x27/0x80
[  541.822034]  ? _raw_spin_unlock_irq+0x27/0x80
[  541.826534]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  541.830784]  ? lockdep_hardirqs_on+0x296/0x5b0
[  541.835368]  ? trace_hardirqs_on+0xbd/0x310
[  541.839694]  ? kasan_check_read+0x11/0x20
[  541.843846]  ? __run_timers+0x7da/0xc70
[  541.847831]  ? trace_hardirqs_off_caller+0x310/0x310
[  541.852944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  541.857186]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  541.861423]  __run_timers+0x7e5/0xc70
[  541.865268]  ? timer_fixup_init+0x70/0x70
[  541.869435]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  541.874465]  ? zap_class+0x640/0x640
[  541.878197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.883742]  ? print_usage_bug+0xc0/0xc0
[  541.887811]  ? debug_smp_processor_id+0x1c/0x20
[  541.892484]  ? perf_trace_lock+0x14d/0x7a0
[  541.896744]  ? find_held_lock+0x36/0x1c0
[  541.900818]  ? zap_class+0x640/0x640
[  541.904545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.910083]  ? check_preemption_disabled+0x48/0x280
[  541.915116]  ? __lock_is_held+0xb5/0x140
[  541.919180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.924723]  ? check_preemption_disabled+0x48/0x280
[  541.929753]  run_timer_softirq+0x52/0xb0
[  541.933821]  ? rcu_read_lock_sched_held+0x14f/0x180
[  541.938841]  __do_softirq+0x308/0xb7e
[  541.942650]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  541.947148]  ? lock_downgrade+0x900/0x900
[  541.951307]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  541.956425]  ? pvclock_read_flags+0x160/0x160
[  541.960925]  ? lapic_next_event+0x5a/0x90
[  541.965078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.970624]  ? kvm_clock_read+0x18/0x30
[  541.974605]  ? kvm_sched_clock_read+0x9/0x20
[  541.979016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  541.984560]  ? check_preemption_disabled+0x48/0x280
[  541.989604]  irq_exit+0x17f/0x1c0
[  541.993065]  smp_apic_timer_interrupt+0x1cb/0x760
[  541.997910]  ? smp_reschedule_interrupt+0x109/0x650
[  542.002930]  ? smp_call_function_single_interrupt+0x650/0x650
[  542.008815]  ? interrupt_entry+0xb5/0xc0
[  542.012883]  ? trace_hardirqs_off_caller+0xbb/0x310
[  542.017901]  ? trace_hardirqs_off_caller+0xbb/0x310
[  542.022921]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  542.027769]  ? trace_hardirqs_on_caller+0x310/0x310
[  542.032789]  ? trace_hardirqs_on_caller+0x310/0x310
[  542.037806]  ? task_prio+0x50/0x50
[  542.041356]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  542.046899]  ? check_preemption_disabled+0x48/0x280
[  542.051926]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  542.056784]  apic_timer_interrupt+0xf/0x20
[  542.061017]  </IRQ>
[  542.063261] RIP: 0010:console_unlock+0x102f/0x1190
[  542.068200] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  542.087130] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  542.094843] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  542.102111] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  542.109380] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  542.116665] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  542.123936] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  542.131228]  ? netconsole_netdev_event+0x280/0x280
[  542.136170]  ? console_unlock+0x1026/0x1190
[  542.140540]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  542.145211]  ? vprintk_emit+0x846/0x990
[  542.149197]  ? lock_release+0xa00/0xa00
[  542.153219]  ? trace_hardirqs_on+0x30/0x310
[  542.157543]  ? vprintk_default+0x28/0x30
[  542.161609]  ? trace_hardirqs_off_caller+0x310/0x310
[  542.166832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  542.172384]  vprintk_emit+0x391/0x990
[  542.176194]  ? wake_up_klogd+0x180/0x180
[  542.180270]  ? find_held_lock+0x31/0x1c0
[  542.184344]  ? mark_held_locks+0xc7/0x130
[  542.188509]  ? _raw_spin_unlock_irq+0x27/0x80
[  542.193023]  ? _raw_spin_unlock_irq+0x27/0x80
[  542.197536]  vprintk_default+0x28/0x30
[  542.201428]  vprintk_func+0x7e/0x181
[  542.205176]  printk+0xa7/0xcf
[  542.208285]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  542.213064]  ? _raw_spin_unlock_irq+0x60/0x80
[  542.217577]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  542.222866]  dump_header+0x7cc/0xf72
[  542.226590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  542.232148]  ? check_preemption_disabled+0x48/0x280
[  542.237188]  ? pagefault_out_of_memory+0x197/0x197
[  542.242121]  ? debug_smp_processor_id+0x1c/0x20
[  542.246798]  ? perf_trace_lock+0x14d/0x7a0
[  542.251040]  ? mark_held_locks+0x130/0x130
[  542.255285]  ? lock_is_held_type+0x210/0x210
[  542.259715]  ? debug_smp_processor_id+0x1c/0x20
[  542.264391]  ? zap_class+0x640/0x640
[  542.268116]  ? lock_is_held_type+0x210/0x210
[  542.272531]  ? perf_trace_lock+0x14d/0x7a0
[  542.276780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  542.282327]  ? find_held_lock+0x36/0x1c0
[  542.286402]  ? mark_held_locks+0xc7/0x130
[  542.290557]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  542.295663]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  542.300769]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  542.305356]  ? trace_hardirqs_on+0xbd/0x310
[  542.309681]  ? kasan_check_read+0x11/0x20
[  542.313832]  ? ___ratelimit+0x3b4/0x672
[  542.317811]  ? trace_hardirqs_off_caller+0x310/0x310
[  542.322918]  ? trace_hardirqs_on+0x310/0x310
[  542.327348]  ? lock_downgrade+0x900/0x900
[  542.331521]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  542.336630]  ? ___ratelimit+0x3b9/0x672
[  542.340616]  ? idr_get_free+0xf70/0xf70
[  542.344595]  ? lock_is_held_type+0x210/0x210
[  542.349015]  oom_kill_process.cold.27+0x10/0x903
[  542.353778]  ? zap_class+0x640/0x640
[  542.357518]  ? _raw_spin_unlock+0x2c/0x50
[  542.361669]  ? oom_badness+0xe6/0xaa0
[  542.365482]  ? oom_evaluate_task+0x540/0x540
[  542.369915]  ? find_held_lock+0x36/0x1c0
[  542.373990]  ? out_of_memory+0x974/0x1430
[  542.378145]  ? lock_downgrade+0x900/0x900
[  542.382301]  ? check_preemption_disabled+0x48/0x280
[  542.387323]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  542.392263]  ? kasan_check_read+0x11/0x20
[  542.396415]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  542.401694]  ? rcu_softirq_qs+0x20/0x20
[  542.405681]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  542.410698]  ? oom_evaluate_task+0x302/0x540
[  542.415112]  out_of_memory+0xa84/0x1430
[  542.419102]  ? oom_killer_disable+0x3a0/0x3a0
[  542.423603]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  542.428554]  ? __ww_mutex_check_waiters+0x160/0x160
[  542.433589]  __alloc_pages_slowpath+0x232c/0x2de0
[  542.438482]  ? warn_alloc+0x120/0x120
[  542.442304]  ? mark_held_locks+0x130/0x130
[  542.446551]  ? find_get_entry+0xaae/0x1120
[  542.450798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  542.456343]  ? check_preemption_disabled+0x48/0x280
[  542.461359]  ? filemap_map_pages+0x1a20/0x1a20
[  542.465949]  ? debug_smp_processor_id+0x1c/0x20
[  542.470622]  ? perf_trace_lock+0x14d/0x7a0
[  542.474871]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  542.480414]  ? should_fail+0x22d/0xd01
[  542.484312]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  542.489422]  ? zap_class+0x640/0x640
[  542.493167]  ? __lock_is_held+0xb5/0x140
[  542.497267]  ? mark_held_locks+0x130/0x130
[  542.501520]  ? lock_release+0xa00/0xa00
[  542.505514]  ? perf_trace_sched_process_exec+0x860/0x860
[  542.510972]  ? xa_load+0x2ba/0x460
[  542.514528]  ? lock_downgrade+0x900/0x900
[  542.518685]  ? __might_sleep+0x95/0x190
[  542.522668]  __alloc_pages_nodemask+0xad8/0xea0
[  542.527349]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  542.532381]  ? __page_cache_alloc+0x191/0x5c0
[  542.536877]  ? xa_load+0x2e1/0x460
[  542.540426]  ? xa_clear_mark+0x40/0x40
[  542.544329]  ? zap_class+0x640/0x640
[  542.548072]  ? zap_class+0x640/0x640
[  542.551787]  ? zap_class+0x640/0x640
[  542.555541]  ? __do_page_cache_readahead+0x663/0x810
[  542.560657]  ? find_held_lock+0x36/0x1c0
[  542.564735]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  542.570295]  alloc_pages_current+0x173/0x350
[  542.574736]  __page_cache_alloc+0x38c/0x5c0
[  542.579085]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  542.584017]  ? kasan_check_read+0x11/0x20
[  542.588167]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  542.593450]  ? generic_perform_write+0x6a0/0x6a0
[  542.598238]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  542.603783]  ? check_preemption_disabled+0x48/0x280
[  542.608811]  filemap_fault+0x1595/0x25f0
[  542.612889]  ? __lock_page_or_retry+0xa00/0xa00
[  542.617568]  ? mark_held_locks+0x130/0x130
[  542.621821]  ? filemap_map_pages+0xd6b/0x1a20
[  542.626324]  ? lock_downgrade+0x900/0x900
[  542.630499]  ? check_preemption_disabled+0x48/0x280
[  542.635540]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  542.640471]  ? kasan_check_read+0x11/0x20
[  542.644648]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  542.649928]  ? rcu_softirq_qs+0x20/0x20
[  542.653923]  ? filemap_map_pages+0xd92/0x1a20
[  542.658436]  ? find_get_entries_tag+0x1400/0x1400
[  542.663285]  ? debug_object_destroy+0x2b0/0x2b0
[  542.667958]  ? lock_pi_update_atomic+0x150/0x150
[  542.672731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  542.678285]  ? lock_acquire+0x1ed/0x520
[  542.682264]  ? ext4_filemap_fault+0x7a/0xad
[  542.686599]  ? lock_release+0xa00/0xa00
[  542.690579]  ? perf_trace_sched_process_exec+0x860/0x860
[  542.696049]  ? print_usage_bug+0xc0/0xc0
[  542.700121]  ? print_usage_bug+0xc0/0xc0
[  542.704212]  ? down_read+0x8d/0x120
[  542.707838]  ? ext4_filemap_fault+0x7a/0xad
[  542.712164]  ? __down_interruptible+0x700/0x700
[  542.716850]  ext4_filemap_fault+0x82/0xad
[  542.721020]  __do_fault+0x100/0x6b0
[  542.724656]  ? pmd_devmap_trans_unstable+0x220/0x220
[  542.729765]  ? mark_held_locks+0x130/0x130
[  542.734007]  ? mark_held_locks+0x130/0x130
[  542.738271]  ? debug_smp_processor_id+0x1c/0x20
[  542.742971]  ? perf_trace_lock+0x14d/0x7a0
[  542.747205]  ? lock_downgrade+0x900/0x900
[  542.751366]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  542.756911]  __handle_mm_fault+0x3ea0/0x5be0
[  542.761346]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  542.766196]  ? lock_is_held_type+0x210/0x210
[  542.770612]  ? file_remove_privs+0x540/0x540
[  542.775021]  ? file_remove_privs+0x540/0x540
[  542.779453]  ? zap_class+0x640/0x640
[  542.783168]  ? zap_class+0x640/0x640
[  542.786881]  ? __x64_sys_futex+0x53e/0x6a0
[  542.791125]  ? find_held_lock+0x36/0x1c0
[  542.795200]  ? handle_mm_fault+0x42a/0xc70
[  542.799454]  ? lock_downgrade+0x900/0x900
[  542.803607]  ? check_preemption_disabled+0x48/0x280
[  542.808634]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  542.813567]  ? kasan_check_read+0x11/0x20
[  542.817716]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  542.822999]  ? rcu_softirq_qs+0x20/0x20
[  542.826977]  ? trace_hardirqs_off_caller+0x310/0x310
[  542.832114]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  542.837660]  ? check_preemption_disabled+0x48/0x280
[  542.842692]  handle_mm_fault+0x54f/0xc70
[  542.846761]  ? __handle_mm_fault+0x5be0/0x5be0
[  542.851350]  ? find_vma+0x34/0x190
[  542.854933]  __do_page_fault+0x5e8/0xe60
[  542.859000]  ? trace_hardirqs_off+0xb8/0x310
[  542.863422]  do_page_fault+0xf2/0x7e0
[  542.867230]  ? vmalloc_sync_all+0x30/0x30
[  542.871387]  ? error_entry+0x70/0xd0
[  542.875104]  ? trace_hardirqs_off_caller+0xbb/0x310
[  542.880122]  ? trace_hardirqs_on_caller+0xc0/0x310
[  542.885065]  ? syscall_return_slowpath+0x5e0/0x5e0
[  542.889995]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  542.894841]  ? trace_hardirqs_on_caller+0x310/0x310
[  542.899862]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  542.905321]  ? prepare_exit_to_usermode+0x291/0x3b0
[  542.910343]  ? page_fault+0x8/0x30
[  542.913890]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  542.918739]  ? page_fault+0x8/0x30
[  542.922282]  page_fault+0x1e/0x30
[  542.925739] RIP: 0033:0x45ddf3
[  542.928944] Code: Bad RIP value.
[  542.932309] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  542.937673] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  542.944942] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  542.952212] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  542.959484] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  542.966771] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  542.974065] warn_alloc_show_mem: 1 callbacks suppressed
[  542.974077] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  542.974080] Mem-Info:
[  542.974112] active_anon:147110 inactive_anon:190 isolated_anon:0
[  542.974112]  active_file:13 inactive_file:13 isolated_file:2
[  542.974112]  unevictable:1 dirty:0 writeback:0 unstable:0
[  542.974112]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  542.974112]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  542.974112]  free:13705 free_pcp:247 free_cma:0
[  542.979447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  542.986810] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  542.989215] Call Trace:
[  543.022753] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  543.032100]  <IRQ>
[  543.059588] lowmem_reserve[]: 0 2818 6321 6321
[  543.062197]  dump_stack+0x244/0x39d
[  543.088294] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  543.090449]  ? dump_stack_print_info.cold.1+0x20/0x20
[  543.095009] lowmem_reserve[]: 0 0 3503 3503
[  543.098645]  warn_alloc.cold.116+0xb7/0x1bd
[  543.126299] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  543.131487]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  543.135803] lowmem_reserve[]: 0 0 0 0
[  543.140126]  ? lock_downgrade+0x900/0x900
[  543.169172] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  543.174028]  ? trace_hardirqs_off+0xb8/0x310
[  543.177793] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  543.181943]  ? trace_hardirqs_off+0xb8/0x310
[  543.195443] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  543.199869]  __alloc_pages_slowpath+0x2651/0x2de0
[  543.214943] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  543.219428]  ? warn_alloc+0x120/0x120
[  543.233949] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  543.238785]  ? print_usage_bug+0xc0/0xc0
[  543.247614] 274 total pagecache pages
[  543.251408]  ? warn_alloc+0x120/0x120
[  543.259969] 0 pages in swap cache
[  543.264063]  ? warn_alloc+0x120/0x120
[  543.267846] Swap cache stats: add 0, delete 0, find 0/0
[  543.271646]  ? print_usage_bug+0xc0/0xc0
[  543.275077] Free swap  = 0kB
[  543.278874]  ? kvm_clock_read+0x18/0x30
[  543.284213] Total swap = 0kB
[  543.288274]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  543.291269] 1965979 pages RAM
[  543.295234]  ? print_usage_bug+0xc0/0xc0
[  543.298246] 0 pages HighMem/MovableOnly
[  543.303255]  ? __lock_acquire+0x62f/0x4c20
[  543.306341] 342854 pages reserved
[  543.310398]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  543.314345] 0 pages cma reserved
[  543.318577]  ? should_fail+0x22d/0xd01
[  543.322082] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  543.327558]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  543.327579]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  543.327597]  ? __lock_acquire+0x62f/0x4c20
[  543.331017] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  543.334841]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  543.341313] syz-fuzzer cpuset=/ mems_allowed=0
[  543.346582]  ? __lock_acquire+0x62f/0x4c20
[  543.379987]  ? should_fail+0x22d/0xd01
[  543.383882]  ? rcu_irq_exit+0x1a2/0x390
[  543.387877]  ? mark_held_locks+0x130/0x130
[  543.392119]  ? mark_held_locks+0x130/0x130
[  543.396354]  ? perf_trace_lock+0x14d/0x7a0
[  543.400599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.406145]  ? check_preemption_disabled+0x48/0x280
[  543.411163]  ? zap_class+0x640/0x640
[  543.414888]  ? debug_smp_processor_id+0x1c/0x20
[  543.419567]  ? perf_trace_lock+0x14d/0x7a0
[  543.423812]  ? check_preemption_disabled+0x48/0x280
[  543.428839]  ? lock_is_held_type+0x210/0x210
[  543.433253]  ? __lock_is_held+0xb5/0x140
[  543.437324]  __alloc_pages_nodemask+0xad8/0xea0
[  543.441999]  ? zap_class+0x640/0x640
[  543.445732]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  543.450767]  ? find_held_lock+0x36/0x1c0
[  543.454843]  ? ____cache_alloc_node+0x1c7/0x1e0
[  543.459520]  ? lock_downgrade+0x900/0x900
[  543.463683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.469232]  cache_grow_begin+0xa5/0x8c0
[  543.473295]  ? do_raw_spin_unlock+0xa7/0x330
[  543.477716]  fallback_alloc+0x204/0x2e0
[  543.481705]  ____cache_alloc_node+0x1c7/0x1e0
[  543.486208]  kmem_cache_alloc_node+0xe3/0x730
[  543.490725]  ? ipv6_get_ifaddr+0x42e/0x620
[  543.494975]  __alloc_skb+0x119/0x770
[  543.498695]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  543.503979]  ? netdev_alloc_frag+0x1f0/0x1f0
[  543.508399]  ? lock_downgrade+0x900/0x900
[  543.512558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.518102]  ? refcount_sub_and_test_checked+0x203/0x310
[  543.523561]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  543.529024]  ? addrconf_rs_timer+0x690/0x690
[  543.533450]  ndisc_alloc_skb+0x144/0x340
[  543.537526]  ndisc_send_rs+0x331/0x6e0
[  543.541427]  addrconf_rs_timer+0x314/0x690
[  543.545676]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  543.549928]  call_timer_fn+0x272/0x920
[  543.553820]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  543.558068]  ? process_timeout+0x40/0x40
[  543.562157]  ? __run_timers+0x7da/0xc70
[  543.566131]  ? _raw_spin_unlock_irq+0x27/0x80
[  543.570630]  ? _raw_spin_unlock_irq+0x27/0x80
[  543.575156]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  543.579394]  ? lockdep_hardirqs_on+0x296/0x5b0
[  543.584015]  ? trace_hardirqs_on+0xbd/0x310
[  543.588353]  ? kasan_check_read+0x11/0x20
[  543.592505]  ? __run_timers+0x7da/0xc70
[  543.596523]  ? trace_hardirqs_off_caller+0x310/0x310
[  543.601635]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  543.605880]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  543.610112]  __run_timers+0x7e5/0xc70
[  543.613930]  ? timer_fixup_init+0x70/0x70
[  543.618082]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  543.623102]  ? zap_class+0x640/0x640
[  543.626834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.632383]  ? check_preemption_disabled+0x48/0x280
[  543.637411]  ? debug_smp_processor_id+0x1c/0x20
[  543.642082]  ? perf_trace_lock+0x14d/0x7a0
[  543.646343]  ? find_held_lock+0x36/0x1c0
[  543.650434]  ? zap_class+0x640/0x640
[  543.654154]  ? pvclock_read_flags+0x160/0x160
[  543.658655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.664212]  ? check_preemption_disabled+0x48/0x280
[  543.669244]  ? __lock_is_held+0xb5/0x140
[  543.673312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.678853]  ? check_preemption_disabled+0x48/0x280
[  543.683878]  run_timer_softirq+0x52/0xb0
[  543.687945]  ? rcu_read_lock_sched_held+0x14f/0x180
[  543.692985]  __do_softirq+0x308/0xb7e
[  543.696821]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  543.701319]  ? lock_downgrade+0x900/0x900
[  543.705483]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  543.710611]  ? pvclock_read_flags+0x160/0x160
[  543.715117]  ? lapic_next_event+0x5a/0x90
[  543.719277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.724827]  ? kvm_clock_read+0x18/0x30
[  543.728802]  ? kvm_sched_clock_read+0x9/0x20
[  543.733215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.738779]  ? check_preemption_disabled+0x48/0x280
[  543.743809]  irq_exit+0x17f/0x1c0
[  543.747284]  smp_apic_timer_interrupt+0x1cb/0x760
[  543.752128]  ? smp_reschedule_interrupt+0x109/0x650
[  543.757151]  ? smp_call_function_single_interrupt+0x650/0x650
[  543.763048]  ? interrupt_entry+0xb5/0xc0
[  543.767129]  ? trace_hardirqs_off_caller+0xbb/0x310
[  543.772158]  ? trace_hardirqs_off_caller+0xbb/0x310
[  543.777176]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  543.782045]  ? trace_hardirqs_on_caller+0x310/0x310
[  543.787064]  ? trace_hardirqs_on_caller+0x310/0x310
[  543.792105]  ? task_prio+0x50/0x50
[  543.795664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.801215]  ? check_preemption_disabled+0x48/0x280
[  543.806273]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  543.811148]  apic_timer_interrupt+0xf/0x20
[  543.815394]  </IRQ>
[  543.817637] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  543.822585] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  543.841757] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  543.849520] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  543.856789] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  543.864088] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  543.871404] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  543.878673] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  543.885989]  skb_clone+0x1bb/0x500
[  543.889544]  ? skb_split+0x11e0/0x11e0
[  543.893454]  ? debug_smp_processor_id+0x1c/0x20
[  543.898124]  ? perf_trace_lock+0x14d/0x7a0
[  543.902359]  ? __switch_to_asm+0x34/0x70
[  543.906513]  ? __switch_to_asm+0x40/0x70
[  543.910576]  ? __switch_to_asm+0x40/0x70
[  543.914637]  ? __switch_to_asm+0x34/0x70
[  543.918713]  bpf_clone_redirect+0xb9/0x490
[  543.922960]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  543.927900]  ? __sched_text_start+0x8/0x8
[  543.932079]  ? find_held_lock+0x36/0x1c0
[  543.936153]  ? lock_acquire+0x1ed/0x520
[  543.940131]  ? bpf_test_run+0x3cb/0x780
[  543.944112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  543.949669]  ? check_preemption_disabled+0x48/0x280
[  543.954699]  ? kasan_check_read+0x11/0x20
[  543.958851]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  543.964127]  ? rcu_softirq_qs+0x20/0x20
[  543.968106]  ? preempt_schedule+0x4d/0x60
[  543.972257]  ? ___preempt_schedule+0x16/0x18
[  543.976682]  ? bpf_test_run+0x25d/0x780
[  543.980675]  ? netlink_diag_dump+0x2a0/0x2a0
[  543.985094]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  543.990654]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  543.995423]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  544.000284]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  544.005825]  ? fput+0x130/0x1a0
[  544.009112]  ? __bpf_prog_get+0x9b/0x290
[  544.013195]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  544.018053]  ? bpf_prog_test_run+0x130/0x1a0
[  544.022468]  ? __x64_sys_bpf+0x3d8/0x520
[  544.026552]  ? bpf_prog_get+0x20/0x20
[  544.030386]  ? do_syscall_64+0x1b9/0x820
[  544.034466]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  544.039858]  ? syscall_return_slowpath+0x5e0/0x5e0
[  544.044856]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  544.049703]  ? trace_hardirqs_on_caller+0x310/0x310
[  544.054725]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  544.059747]  ? prepare_exit_to_usermode+0x291/0x3b0
[  544.064772]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  544.069637]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  544.075028] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  544.075131] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  544.082042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  544.082048] Call Trace:
[  544.082055]  <IRQ>
[  544.082073]  dump_stack+0x244/0x39d
[  544.082092]  ? dump_stack_print_info.cold.1+0x20/0x20
[  544.088656] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  544.097926]  warn_alloc.cold.116+0xb7/0x1bd
[  544.100517] syz-executor4 cpuset=syz4 mems_allowed=0
[  544.102691]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  544.136543]  ? lock_downgrade+0x900/0x900
[  544.140706]  ? trace_hardirqs_off+0xb8/0x310
[  544.145125]  ? trace_hardirqs_off+0xb8/0x310
[  544.149559]  __alloc_pages_slowpath+0x2651/0x2de0
[  544.154441]  ? warn_alloc+0x120/0x120
[  544.158249]  ? print_usage_bug+0xc0/0xc0
[  544.162329]  ? warn_alloc+0x120/0x120
[  544.166139]  ? debug_smp_processor_id+0x1c/0x20
[  544.170840]  ? warn_alloc+0x120/0x120
[  544.174649]  ? print_usage_bug+0xc0/0xc0
[  544.178723]  ? print_usage_bug+0xc0/0xc0
[  544.182787]  ? __lock_acquire+0x62f/0x4c20
[  544.187031]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  544.192570]  ? should_fail+0x22d/0xd01
[  544.196467]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  544.201589]  ? __lock_acquire+0x62f/0x4c20
[  544.205833]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  544.210935]  ? __lock_acquire+0x62f/0x4c20
[  544.215174]  ? should_fail+0x22d/0xd01
[  544.219066]  ? find_held_lock+0x36/0x1c0
[  544.223137]  ? mark_held_locks+0x130/0x130
[  544.227378]  ? mark_held_locks+0x130/0x130
[  544.231617]  ? perf_trace_lock+0x14d/0x7a0
[  544.235853]  ? zap_class+0x640/0x640
[  544.239575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.245120]  ? check_preemption_disabled+0x48/0x280
[  544.250136]  ? zap_class+0x640/0x640
[  544.253858]  ? debug_smp_processor_id+0x1c/0x20
[  544.258538]  ? perf_trace_lock+0x14d/0x7a0
[  544.262776]  ? check_preemption_disabled+0x48/0x280
[  544.267802]  ? lock_is_held_type+0x210/0x210
[  544.272227]  ? __lock_is_held+0xb5/0x140
[  544.276303]  __alloc_pages_nodemask+0xad8/0xea0
[  544.280988]  ? zap_class+0x640/0x640
[  544.284708]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  544.289738]  ? find_held_lock+0x36/0x1c0
[  544.293856]  ? ____cache_alloc_node+0x1c7/0x1e0
[  544.298533]  ? lock_downgrade+0x900/0x900
[  544.302694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.308243]  cache_grow_begin+0xa5/0x8c0
[  544.312305]  ? do_raw_spin_unlock+0xa7/0x330
[  544.316724]  fallback_alloc+0x204/0x2e0
[  544.320712]  ____cache_alloc_node+0x1c7/0x1e0
[  544.325217]  kmem_cache_alloc_node+0xe3/0x730
[  544.329765]  ? ipv6_get_ifaddr+0x42e/0x620
[  544.334014]  __alloc_skb+0x119/0x770
[  544.337734]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  544.343025]  ? netdev_alloc_frag+0x1f0/0x1f0
[  544.347435]  ? lock_downgrade+0x900/0x900
[  544.351597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.357179]  ? refcount_sub_and_test_checked+0x203/0x310
[  544.362653]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  544.368104]  ? addrconf_rs_timer+0x690/0x690
[  544.372540]  ndisc_alloc_skb+0x144/0x340
[  544.376613]  ndisc_send_rs+0x331/0x6e0
[  544.380522]  addrconf_rs_timer+0x314/0x690
[  544.384769]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  544.389019]  call_timer_fn+0x272/0x920
[  544.392911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  544.397159]  ? process_timeout+0x40/0x40
[  544.401278]  ? mark_held_locks+0xc7/0x130
[  544.405429]  ? _raw_spin_unlock_irq+0x27/0x80
[  544.409925]  ? _raw_spin_unlock_irq+0x27/0x80
[  544.414419]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  544.418656]  ? lockdep_hardirqs_on+0x296/0x5b0
[  544.423255]  ? trace_hardirqs_on+0xbd/0x310
[  544.427593]  ? kasan_check_read+0x11/0x20
[  544.431741]  ? __run_timers+0x7da/0xc70
[  544.435718]  ? trace_hardirqs_off_caller+0x310/0x310
[  544.440851]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  544.445093]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  544.449337]  __run_timers+0x7e5/0xc70
[  544.453150]  ? timer_fixup_init+0x70/0x70
[  544.457305]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  544.462327]  ? zap_class+0x640/0x640
[  544.466044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.471587]  ? print_usage_bug+0xc0/0xc0
[  544.475669]  ? debug_smp_processor_id+0x1c/0x20
[  544.480353]  ? perf_trace_lock+0x14d/0x7a0
[  544.484619]  ? find_held_lock+0x36/0x1c0
[  544.488689]  ? zap_class+0x640/0x640
[  544.492413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.497961]  ? check_preemption_disabled+0x48/0x280
[  544.502995]  ? __lock_is_held+0xb5/0x140
[  544.507060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.513119]  ? check_preemption_disabled+0x48/0x280
[  544.518142]  run_timer_softirq+0x52/0xb0
[  544.522206]  ? rcu_read_lock_sched_held+0x14f/0x180
[  544.527228]  __do_softirq+0x308/0xb7e
[  544.531053]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  544.535549]  ? lock_downgrade+0x900/0x900
[  544.539739]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  544.544858]  ? pvclock_read_flags+0x160/0x160
[  544.549395]  ? lapic_next_event+0x5a/0x90
[  544.553563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.559118]  ? kvm_clock_read+0x18/0x30
[  544.563092]  ? kvm_sched_clock_read+0x9/0x20
[  544.567528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.573069]  ? check_preemption_disabled+0x48/0x280
[  544.578101]  irq_exit+0x17f/0x1c0
[  544.581565]  smp_apic_timer_interrupt+0x1cb/0x760
[  544.586405]  ? smp_reschedule_interrupt+0x109/0x650
[  544.591482]  ? smp_call_function_single_interrupt+0x650/0x650
[  544.597382]  ? interrupt_entry+0xb5/0xc0
[  544.601469]  ? trace_hardirqs_off_caller+0xbb/0x310
[  544.606526]  ? trace_hardirqs_off_caller+0xbb/0x310
[  544.611566]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  544.616428]  ? trace_hardirqs_on_caller+0x310/0x310
[  544.621450]  ? trace_hardirqs_on_caller+0x310/0x310
[  544.626485]  ? task_prio+0x50/0x50
[  544.630065]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  544.635638]  ? check_preemption_disabled+0x48/0x280
[  544.640675]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  544.645540]  apic_timer_interrupt+0xf/0x20
[  544.649786]  </IRQ>
[  544.652043] RIP: 0010:console_unlock+0x102f/0x1190
[  544.656975] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  544.675892] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  544.683641] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  544.690916] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  544.698188] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  544.705475] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  544.712757] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  544.720040]  ? netconsole_netdev_event+0x280/0x280
[  544.724988]  ? console_unlock+0x1026/0x1190
[  544.729377]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  544.734055]  ? vprintk_emit+0x846/0x990
[  544.738034]  ? lock_release+0xa00/0xa00
[  544.742017]  ? trace_hardirqs_on+0x30/0x310
[  544.746339]  ? vprintk_default+0x28/0x30
[  544.750403]  ? trace_hardirqs_off_caller+0x310/0x310
[  544.755525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.761091]  vprintk_emit+0x391/0x990
[  544.764897]  ? wake_up_klogd+0x180/0x180
[  544.768976]  ? find_held_lock+0x31/0x1c0
[  544.773048]  ? mark_held_locks+0xc7/0x130
[  544.777200]  ? _raw_spin_unlock_irq+0x27/0x80
[  544.781694]  ? _raw_spin_unlock_irq+0x27/0x80
[  544.786199]  vprintk_default+0x28/0x30
[  544.790087]  vprintk_func+0x7e/0x181
[  544.793805]  printk+0xa7/0xcf
[  544.796913]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  544.801672]  ? _raw_spin_unlock_irq+0x60/0x80
[  544.806182]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  544.811469]  dump_header+0x7cc/0xf72
[  544.815205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.820746]  ? check_preemption_disabled+0x48/0x280
[  544.825767]  ? pagefault_out_of_memory+0x197/0x197
[  544.830703]  ? debug_smp_processor_id+0x1c/0x20
[  544.835373]  ? perf_trace_lock+0x14d/0x7a0
[  544.839626]  ? mark_held_locks+0x130/0x130
[  544.843867]  ? lock_is_held_type+0x210/0x210
[  544.848300]  ? debug_smp_processor_id+0x1c/0x20
[  544.852975]  ? zap_class+0x640/0x640
[  544.856702]  ? lock_is_held_type+0x210/0x210
[  544.861108]  ? perf_trace_lock+0x14d/0x7a0
[  544.865350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  544.870891]  ? find_held_lock+0x36/0x1c0
[  544.874965]  ? mark_held_locks+0xc7/0x130
[  544.879116]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  544.884220]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  544.889344]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  544.893976]  ? trace_hardirqs_on+0xbd/0x310
[  544.898328]  ? kasan_check_read+0x11/0x20
[  544.902510]  ? ___ratelimit+0x3b4/0x672
[  544.906524]  ? trace_hardirqs_off_caller+0x310/0x310
[  544.911647]  ? trace_hardirqs_on+0x310/0x310
[  544.916063]  ? lock_downgrade+0x900/0x900
[  544.920222]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  544.925330]  ? ___ratelimit+0x3b9/0x672
[  544.929316]  ? idr_get_free+0xf70/0xf70
[  544.933309]  ? lock_is_held_type+0x210/0x210
[  544.937725]  oom_kill_process.cold.27+0x10/0x903
[  544.942536]  ? zap_class+0x640/0x640
[  544.946254]  ? _raw_spin_unlock+0x2c/0x50
[  544.950402]  ? oom_badness+0xe6/0xaa0
[  544.954214]  ? oom_evaluate_task+0x540/0x540
[  544.958629]  ? find_held_lock+0x36/0x1c0
[  544.962705]  ? out_of_memory+0x974/0x1430
[  544.966857]  ? lock_downgrade+0x900/0x900
[  544.971011]  ? check_preemption_disabled+0x48/0x280
[  544.976034]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  544.980980]  ? kasan_check_read+0x11/0x20
[  544.985132]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  544.990430]  ? rcu_softirq_qs+0x20/0x20
[  544.994409]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  544.999427]  ? oom_evaluate_task+0x302/0x540
[  545.003843]  out_of_memory+0xa84/0x1430
[  545.007834]  ? oom_killer_disable+0x3a0/0x3a0
[  545.012877]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  545.017835]  ? __ww_mutex_check_waiters+0x160/0x160
[  545.022867]  __alloc_pages_slowpath+0x232c/0x2de0
[  545.027746]  ? warn_alloc+0x120/0x120
[  545.031556]  ? mark_held_locks+0x130/0x130
[  545.035824]  ? find_get_entry+0xaae/0x1120
[  545.040072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  545.045630]  ? check_preemption_disabled+0x48/0x280
[  545.050646]  ? filemap_map_pages+0x1a20/0x1a20
[  545.055239]  ? debug_smp_processor_id+0x1c/0x20
[  545.059913]  ? perf_trace_lock+0x14d/0x7a0
[  545.064160]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  545.069701]  ? should_fail+0x22d/0xd01
[  545.073599]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  545.078713]  ? zap_class+0x640/0x640
[  545.082461]  ? __lock_is_held+0xb5/0x140
[  545.086571]  ? mark_held_locks+0x130/0x130
[  545.090811]  ? lock_release+0xa00/0xa00
[  545.094791]  ? perf_trace_sched_process_exec+0x860/0x860
[  545.100243]  ? xa_load+0x2ba/0x460
[  545.103787]  ? lock_downgrade+0x900/0x900
[  545.107947]  ? __might_sleep+0x95/0x190
[  545.111928]  __alloc_pages_nodemask+0xad8/0xea0
[  545.116606]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  545.121640]  ? __page_cache_alloc+0x191/0x5c0
[  545.126138]  ? xa_load+0x2e1/0x460
[  545.129694]  ? xa_clear_mark+0x40/0x40
[  545.133589]  ? zap_class+0x640/0x640
[  545.137317]  ? zap_class+0x640/0x640
[  545.142110]  ? zap_class+0x640/0x640
[  545.145858]  ? __do_page_cache_readahead+0x663/0x810
[  545.150969]  ? find_held_lock+0x36/0x1c0
[  545.155042]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  545.160593]  alloc_pages_current+0x173/0x350
[  545.165009]  __page_cache_alloc+0x38c/0x5c0
[  545.169346]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  545.174275]  ? kasan_check_read+0x11/0x20
[  545.178431]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  545.183712]  ? generic_perform_write+0x6a0/0x6a0
[  545.188515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  545.194060]  ? check_preemption_disabled+0x48/0x280
[  545.199086]  filemap_fault+0x1595/0x25f0
[  545.203177]  ? __lock_page_or_retry+0xa00/0xa00
[  545.207856]  ? mark_held_locks+0x130/0x130
[  545.212102]  ? filemap_map_pages+0xd6b/0x1a20
[  545.216602]  ? lock_downgrade+0x900/0x900
[  545.220753]  ? check_preemption_disabled+0x48/0x280
[  545.225774]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  545.230718]  ? kasan_check_read+0x11/0x20
[  545.234868]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  545.240151]  ? rcu_softirq_qs+0x20/0x20
[  545.244197]  ? filemap_map_pages+0xd92/0x1a20
[  545.248715]  ? find_get_entries_tag+0x1400/0x1400
[  545.253568]  ? debug_object_destroy+0x2b0/0x2b0
[  545.258242]  ? lock_pi_update_atomic+0x150/0x150
[  545.263025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  545.268601]  ? lock_acquire+0x1ed/0x520
[  545.272578]  ? ext4_filemap_fault+0x7a/0xad
[  545.276906]  ? lock_release+0xa00/0xa00
[  545.280897]  ? perf_trace_sched_process_exec+0x860/0x860
[  545.286349]  ? print_usage_bug+0xc0/0xc0
[  545.290431]  ? print_usage_bug+0xc0/0xc0
[  545.294547]  ? down_read+0x8d/0x120
[  545.298177]  ? ext4_filemap_fault+0x7a/0xad
[  545.302514]  ? __down_interruptible+0x700/0x700
[  545.307198]  ext4_filemap_fault+0x82/0xad
[  545.311354]  __do_fault+0x100/0x6b0
[  545.315017]  ? pmd_devmap_trans_unstable+0x220/0x220
[  545.320141]  ? mark_held_locks+0x130/0x130
[  545.324380]  ? mark_held_locks+0x130/0x130
[  545.328619]  ? debug_smp_processor_id+0x1c/0x20
[  545.333295]  ? perf_trace_lock+0x14d/0x7a0
[  545.337536]  ? lock_downgrade+0x900/0x900
[  545.341693]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  545.347238]  __handle_mm_fault+0x3ea0/0x5be0
[  545.351672]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  545.356537]  ? lock_is_held_type+0x210/0x210
[  545.360980]  ? file_remove_privs+0x540/0x540
[  545.365383]  ? file_remove_privs+0x540/0x540
[  545.369837]  ? zap_class+0x640/0x640
[  545.373581]  ? zap_class+0x640/0x640
[  545.377296]  ? __x64_sys_futex+0x53e/0x6a0
[  545.381544]  ? find_held_lock+0x36/0x1c0
[  545.385619]  ? handle_mm_fault+0x42a/0xc70
[  545.389859]  ? lock_downgrade+0x900/0x900
[  545.394048]  ? check_preemption_disabled+0x48/0x280
[  545.399067]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  545.404003]  ? kasan_check_read+0x11/0x20
[  545.408184]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  545.413466]  ? rcu_softirq_qs+0x20/0x20
[  545.417470]  ? trace_hardirqs_off_caller+0x310/0x310
[  545.422595]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  545.428136]  ? check_preemption_disabled+0x48/0x280
[  545.433163]  handle_mm_fault+0x54f/0xc70
[  545.437245]  ? __handle_mm_fault+0x5be0/0x5be0
[  545.441845]  ? find_vma+0x34/0x190
[  545.445391]  __do_page_fault+0x5e8/0xe60
[  545.449503]  ? trace_hardirqs_off+0xb8/0x310
[  545.453948]  do_page_fault+0xf2/0x7e0
[  545.457754]  ? vmalloc_sync_all+0x30/0x30
[  545.461905]  ? error_entry+0x70/0xd0
[  545.465643]  ? trace_hardirqs_off_caller+0xbb/0x310
[  545.470663]  ? trace_hardirqs_on_caller+0xc0/0x310
[  545.475614]  ? syscall_return_slowpath+0x5e0/0x5e0
[  545.480553]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  545.485409]  ? trace_hardirqs_on_caller+0x310/0x310
[  545.490427]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  545.495889]  ? prepare_exit_to_usermode+0x291/0x3b0
[  545.500914]  ? page_fault+0x8/0x30
[  545.504475]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  545.509367]  ? page_fault+0x8/0x30
[  545.512914]  page_fault+0x1e/0x30
[  545.516365] RIP: 0033:0x45ddf3
[  545.519584] Code: Bad RIP value.
[  545.522951] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  545.528315] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  545.535584] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  545.542850] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  545.550118] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  545.557388] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  545.564686] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  545.564693] warn_alloc_show_mem: 1 callbacks suppressed
[  545.564700] Mem-Info:
[  545.572062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  545.577458] active_anon:147110 inactive_anon:190 isolated_anon:0
[  545.577458]  active_file:13 inactive_file:13 isolated_file:2
[  545.577458]  unevictable:1 dirty:0 writeback:0 unstable:0
[  545.577458]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  545.577458]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  545.577458]  free:13705 free_pcp:247 free_cma:0
[  545.579868] Call Trace:
[  545.589272] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  545.622292]  <IRQ>
[  545.624861] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  545.652358]  dump_stack+0x244/0x39d
[  545.654489] lowmem_reserve[]: 0 2818 6321 6321
[  545.680604]  ? dump_stack_print_info.cold.1+0x20/0x20
[  545.684206] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  545.688801]  warn_alloc.cold.116+0xb7/0x1bd
[  545.693960] lowmem_reserve[]: 0 0 3503 3503
[  545.721629]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  545.725944] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  545.730259]  ? lock_downgrade+0x900/0x900
[  545.735076] lowmem_reserve[]: 0 0 0 0
[  545.763964]  ? trace_hardirqs_off+0xb8/0x310
[  545.768086] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  545.771901]  ? trace_hardirqs_off+0xb8/0x310
[  545.776293] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  545.789834]  __alloc_pages_slowpath+0x2651/0x2de0
[  545.794214] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  545.809340]  ? warn_alloc+0x120/0x120
[  545.814152] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  545.828706]  ? print_usage_bug+0xc0/0xc0
[  545.832492] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  545.841336]  ? warn_alloc+0x120/0x120
[  545.845380] 274 total pagecache pages
[  545.853951]  ? warn_alloc+0x120/0x120
[  545.857743] 0 pages in swap cache
[  545.861577]  ? print_usage_bug+0xc0/0xc0
[  545.865358] Swap cache stats: add 0, delete 0, find 0/0
[  545.868803]  ? kvm_clock_read+0x18/0x30
[  545.872841] Free swap  = 0kB
[  545.878201]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  545.882152] Total swap = 0kB
[  545.885166]  ? print_usage_bug+0xc0/0xc0
[  545.890161] 1965979 pages RAM
[  545.893173]  ? __lock_acquire+0x62f/0x4c20
[  545.897215] 0 pages HighMem/MovableOnly
[  545.900319]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  545.904537] 342854 pages reserved
[  545.908530]  ? should_fail+0x22d/0xd01
[  545.908547]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  545.914062] 0 pages cma reserved
[  545.917534]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  545.921474] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  545.926679]  ? __lock_acquire+0x62f/0x4c20
[  545.926700]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  545.926716]  ? __lock_acquire+0x62f/0x4c20
[  545.930551] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  545.935175]  ? should_fail+0x22d/0xd01
[  545.941648] syz-fuzzer cpuset=/ mems_allowed=0
[  545.945880]  ? rcu_irq_exit+0x1a2/0x390
[  545.977824]  ? mark_held_locks+0x130/0x130
[  545.982085]  ? mark_held_locks+0x130/0x130
[  545.986321]  ? perf_trace_lock+0x14d/0x7a0
[  545.990568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  545.996110]  ? check_preemption_disabled+0x48/0x280
[  546.001142]  ? zap_class+0x640/0x640
[  546.004912]  ? debug_smp_processor_id+0x1c/0x20
[  546.009589]  ? perf_trace_lock+0x14d/0x7a0
[  546.013842]  ? check_preemption_disabled+0x48/0x280
[  546.018869]  ? lock_is_held_type+0x210/0x210
[  546.023282]  ? __lock_is_held+0xb5/0x140
[  546.027353]  __alloc_pages_nodemask+0xad8/0xea0
[  546.032029]  ? zap_class+0x640/0x640
[  546.035754]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  546.040809]  ? find_held_lock+0x36/0x1c0
[  546.044887]  ? ____cache_alloc_node+0x1c7/0x1e0
[  546.049563]  ? lock_downgrade+0x900/0x900
[  546.053755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.059310]  cache_grow_begin+0xa5/0x8c0
[  546.063381]  ? do_raw_spin_unlock+0xa7/0x330
[  546.067817]  fallback_alloc+0x204/0x2e0
[  546.071805]  ____cache_alloc_node+0x1c7/0x1e0
[  546.076311]  kmem_cache_alloc_node+0xe3/0x730
[  546.080819]  ? ipv6_get_ifaddr+0x42e/0x620
[  546.085068]  __alloc_skb+0x119/0x770
[  546.088788]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  546.094070]  ? netdev_alloc_frag+0x1f0/0x1f0
[  546.098479]  ? lock_downgrade+0x900/0x900
[  546.102663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.108209]  ? refcount_sub_and_test_checked+0x203/0x310
[  546.113666]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  546.119122]  ? addrconf_rs_timer+0x690/0x690
[  546.123554]  ndisc_alloc_skb+0x144/0x340
[  546.127629]  ndisc_send_rs+0x331/0x6e0
[  546.131537]  addrconf_rs_timer+0x314/0x690
[  546.135780]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  546.140064]  call_timer_fn+0x272/0x920
[  546.143965]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  546.148212]  ? process_timeout+0x40/0x40
[  546.152297]  ? __run_timers+0x7da/0xc70
[  546.156286]  ? _raw_spin_unlock_irq+0x27/0x80
[  546.160780]  ? _raw_spin_unlock_irq+0x27/0x80
[  546.165278]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  546.169531]  ? lockdep_hardirqs_on+0x296/0x5b0
[  546.174117]  ? trace_hardirqs_on+0xbd/0x310
[  546.178472]  ? kasan_check_read+0x11/0x20
[  546.182646]  ? __run_timers+0x7da/0xc70
[  546.186628]  ? trace_hardirqs_off_caller+0x310/0x310
[  546.191751]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  546.195994]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  546.200236]  __run_timers+0x7e5/0xc70
[  546.204071]  ? timer_fixup_init+0x70/0x70
[  546.208234]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  546.213252]  ? zap_class+0x640/0x640
[  546.216973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.222536]  ? check_preemption_disabled+0x48/0x280
[  546.227573]  ? debug_smp_processor_id+0x1c/0x20
[  546.232246]  ? perf_trace_lock+0x14d/0x7a0
[  546.236491]  ? find_held_lock+0x36/0x1c0
[  546.240571]  ? zap_class+0x640/0x640
[  546.244296]  ? pvclock_read_flags+0x160/0x160
[  546.248799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.254344]  ? check_preemption_disabled+0x48/0x280
[  546.259377]  ? __lock_is_held+0xb5/0x140
[  546.263443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.268982]  ? check_preemption_disabled+0x48/0x280
[  546.274039]  run_timer_softirq+0x52/0xb0
[  546.278114]  ? rcu_read_lock_sched_held+0x14f/0x180
[  546.283132]  __do_softirq+0x308/0xb7e
[  546.286938]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  546.291447]  ? lock_downgrade+0x900/0x900
[  546.295606]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  546.300721]  ? pvclock_read_flags+0x160/0x160
[  546.305257]  ? lapic_next_event+0x5a/0x90
[  546.309415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.314964]  ? kvm_clock_read+0x18/0x30
[  546.318939]  ? kvm_sched_clock_read+0x9/0x20
[  546.323369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.328922]  ? check_preemption_disabled+0x48/0x280
[  546.333966]  irq_exit+0x17f/0x1c0
[  546.337426]  smp_apic_timer_interrupt+0x1cb/0x760
[  546.342299]  ? smp_reschedule_interrupt+0x109/0x650
[  546.347317]  ? smp_call_function_single_interrupt+0x650/0x650
[  546.353203]  ? interrupt_entry+0xb5/0xc0
[  546.357280]  ? trace_hardirqs_off_caller+0xbb/0x310
[  546.362301]  ? trace_hardirqs_off_caller+0xbb/0x310
[  546.367350]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  546.372210]  ? trace_hardirqs_on_caller+0x310/0x310
[  546.377229]  ? trace_hardirqs_on_caller+0x310/0x310
[  546.382248]  ? task_prio+0x50/0x50
[  546.385795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.391339]  ? check_preemption_disabled+0x48/0x280
[  546.396372]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  546.401226]  apic_timer_interrupt+0xf/0x20
[  546.405456]  </IRQ>
[  546.407702] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  546.412632] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  546.431548] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  546.439273] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  546.446545] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  546.453814] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  546.461082] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  546.468355] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  546.475680]  skb_clone+0x1bb/0x500
[  546.479238]  ? skb_split+0x11e0/0x11e0
[  546.483134]  ? debug_smp_processor_id+0x1c/0x20
[  546.487816]  ? perf_trace_lock+0x14d/0x7a0
[  546.492052]  ? __switch_to_asm+0x34/0x70
[  546.496113]  ? __switch_to_asm+0x40/0x70
[  546.500176]  ? __switch_to_asm+0x40/0x70
[  546.504239]  ? __switch_to_asm+0x34/0x70
[  546.508312]  bpf_clone_redirect+0xb9/0x490
[  546.512565]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  546.517524]  ? __sched_text_start+0x8/0x8
[  546.521720]  ? find_held_lock+0x36/0x1c0
[  546.525795]  ? lock_acquire+0x1ed/0x520
[  546.529783]  ? bpf_test_run+0x3cb/0x780
[  546.533761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.539304]  ? check_preemption_disabled+0x48/0x280
[  546.544331]  ? kasan_check_read+0x11/0x20
[  546.548477]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  546.553765]  ? rcu_softirq_qs+0x20/0x20
[  546.557747]  ? preempt_schedule+0x4d/0x60
[  546.561898]  ? ___preempt_schedule+0x16/0x18
[  546.566317]  ? bpf_test_run+0x25d/0x780
[  546.570312]  ? netlink_diag_dump+0x2a0/0x2a0
[  546.574726]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  546.580272]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  546.585055]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  546.589959]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  546.595536]  ? fput+0x130/0x1a0
[  546.598824]  ? __bpf_prog_get+0x9b/0x290
[  546.602891]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  546.607738]  ? bpf_prog_test_run+0x130/0x1a0
[  546.612153]  ? __x64_sys_bpf+0x3d8/0x520
[  546.616221]  ? bpf_prog_get+0x20/0x20
[  546.620065]  ? do_syscall_64+0x1b9/0x820
[  546.624141]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  546.629521]  ? syscall_return_slowpath+0x5e0/0x5e0
[  546.634457]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  546.639310]  ? trace_hardirqs_on_caller+0x310/0x310
[  546.644343]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  546.649364]  ? prepare_exit_to_usermode+0x291/0x3b0
[  546.654392]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  546.659249]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  546.664638] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  546.664711] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  546.671665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  546.671671] Call Trace:
[  546.671678]  <IRQ>
[  546.671697]  dump_stack+0x244/0x39d
[  546.671717]  ? dump_stack_print_info.cold.1+0x20/0x20
[  546.678290] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  546.687603]  warn_alloc.cold.116+0xb7/0x1bd
[  546.690170] syz-executor4 cpuset=syz4 mems_allowed=0
[  546.692325]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  546.725833]  ? lock_downgrade+0x900/0x900
[  546.730007]  ? trace_hardirqs_off+0xb8/0x310
[  546.734459]  ? trace_hardirqs_off+0xb8/0x310
[  546.738888]  __alloc_pages_slowpath+0x2651/0x2de0
[  546.743801]  ? warn_alloc+0x120/0x120
[  546.747651]  ? warn_alloc+0x120/0x120
[  546.751470]  ? warn_alloc+0x120/0x120
[  546.755292]  ? print_usage_bug+0xc0/0xc0
[  546.759359]  ? debug_object_activate+0x402/0x600
[  546.764140]  ? print_usage_bug+0xc0/0xc0
[  546.768245]  ? find_held_lock+0x36/0x1c0
[  546.772326]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  546.777908]  ? should_fail+0x22d/0xd01
[  546.781821]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  546.786926]  ? __lock_acquire+0x62f/0x4c20
[  546.791166]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  546.796282]  ? __lock_acquire+0x62f/0x4c20
[  546.800526]  ? should_fail+0x22d/0xd01
[  546.804432]  ? mark_held_locks+0x130/0x130
[  546.808675]  ? mark_held_locks+0x130/0x130
[  546.812930]  ? mod_timer+0x631/0x1560
[  546.816736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.822281]  ? check_preemption_disabled+0x48/0x280
[  546.827312]  ? zap_class+0x640/0x640
[  546.831033]  ? debug_smp_processor_id+0x1c/0x20
[  546.835721]  ? perf_trace_lock+0x14d/0x7a0
[  546.839965]  ? check_preemption_disabled+0x48/0x280
[  546.845009]  ? lock_is_held_type+0x210/0x210
[  546.849439]  ? __lock_is_held+0xb5/0x140
[  546.853523]  __alloc_pages_nodemask+0xad8/0xea0
[  546.858193]  ? zap_class+0x640/0x640
[  546.861928]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  546.866972]  ? find_held_lock+0x36/0x1c0
[  546.871048]  ? ____cache_alloc_node+0x1c7/0x1e0
[  546.875720]  ? lock_downgrade+0x900/0x900
[  546.879878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.885423]  cache_grow_begin+0xa5/0x8c0
[  546.889530]  ? do_raw_spin_unlock+0xa7/0x330
[  546.894006]  fallback_alloc+0x204/0x2e0
[  546.898022]  ____cache_alloc_node+0x1c7/0x1e0
[  546.902561]  kmem_cache_alloc_node+0xe3/0x730
[  546.907067]  ? ipv6_get_ifaddr+0x42e/0x620
[  546.911315]  __alloc_skb+0x119/0x770
[  546.915031]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  546.920328]  ? netdev_alloc_frag+0x1f0/0x1f0
[  546.924739]  ? lock_downgrade+0x900/0x900
[  546.928901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  546.934513]  ? refcount_sub_and_test_checked+0x203/0x310
[  546.939991]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  546.945472]  ? addrconf_rs_timer+0x690/0x690
[  546.949925]  ndisc_alloc_skb+0x144/0x340
[  546.953997]  ndisc_send_rs+0x331/0x6e0
[  546.957901]  addrconf_rs_timer+0x314/0x690
[  546.962165]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  546.966413]  call_timer_fn+0x272/0x920
[  546.970313]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  546.974553]  ? process_timeout+0x40/0x40
[  546.978625]  ? mark_held_locks+0xc7/0x130
[  546.982816]  ? _raw_spin_unlock_irq+0x27/0x80
[  546.987309]  ? _raw_spin_unlock_irq+0x27/0x80
[  546.991817]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  546.996056]  ? lockdep_hardirqs_on+0x296/0x5b0
[  547.000643]  ? trace_hardirqs_on+0xbd/0x310
[  547.004965]  ? kasan_check_read+0x11/0x20
[  547.009558]  ? __run_timers+0x7da/0xc70
[  547.013540]  ? trace_hardirqs_off_caller+0x310/0x310
[  547.018664]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  547.022917]  __run_timers+0x7e5/0xc70
[  547.026735]  ? timer_fixup_init+0x70/0x70
[  547.030952]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  547.035968]  ? zap_class+0x640/0x640
[  547.039687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.045259]  ? print_usage_bug+0xc0/0xc0
[  547.049347]  ? debug_smp_processor_id+0x1c/0x20
[  547.054018]  ? perf_trace_lock+0x14d/0x7a0
[  547.058265]  ? find_held_lock+0x36/0x1c0
[  547.062335]  ? zap_class+0x640/0x640
[  547.066064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.071624]  ? check_preemption_disabled+0x48/0x280
[  547.076661]  ? __lock_is_held+0xb5/0x140
[  547.080726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.086263]  ? check_preemption_disabled+0x48/0x280
[  547.091308]  run_timer_softirq+0x52/0xb0
[  547.095371]  ? rcu_read_lock_sched_held+0x14f/0x180
[  547.100388]  __do_softirq+0x308/0xb7e
[  547.104207]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  547.108708]  ? lock_downgrade+0x900/0x900
[  547.112864]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  547.118011]  ? pvclock_read_flags+0x160/0x160
[  547.122519]  ? lapic_next_event+0x5a/0x90
[  547.126676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.132220]  ? kvm_clock_read+0x18/0x30
[  547.136282]  ? kvm_sched_clock_read+0x9/0x20
[  547.140690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.146221]  ? check_preemption_disabled+0x48/0x280
[  547.151268]  irq_exit+0x17f/0x1c0
[  547.154769]  smp_apic_timer_interrupt+0x1cb/0x760
[  547.159629]  ? smp_reschedule_interrupt+0x109/0x650
[  547.164652]  ? smp_call_function_single_interrupt+0x650/0x650
[  547.170569]  ? interrupt_entry+0xb5/0xc0
[  547.174637]  ? trace_hardirqs_off_caller+0xbb/0x310
[  547.179651]  ? trace_hardirqs_off_caller+0xbb/0x310
[  547.184682]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  547.189547]  ? trace_hardirqs_on_caller+0x310/0x310
[  547.194570]  ? trace_hardirqs_on_caller+0x310/0x310
[  547.199603]  ? task_prio+0x50/0x50
[  547.203173]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  547.208723]  ? check_preemption_disabled+0x48/0x280
[  547.213762]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  547.218616]  apic_timer_interrupt+0xf/0x20
[  547.222912]  </IRQ>
[  547.225157] RIP: 0010:console_unlock+0x102f/0x1190
[  547.230118] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  547.249104] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  547.256812] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  547.264083] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  547.271367] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  547.278637] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  547.285905] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  547.293179]  ? netconsole_netdev_event+0x280/0x280
[  547.298123]  ? console_unlock+0x1026/0x1190
[  547.302489]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  547.307177]  ? vprintk_emit+0x846/0x990
[  547.311161]  ? lock_release+0xa00/0xa00
[  547.315155]  ? trace_hardirqs_on+0x30/0x310
[  547.319475]  ? vprintk_default+0x28/0x30
[  547.323554]  ? trace_hardirqs_off_caller+0x310/0x310
[  547.328674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.334218]  vprintk_emit+0x391/0x990
[  547.338053]  ? wake_up_klogd+0x180/0x180
[  547.342128]  ? find_held_lock+0x31/0x1c0
[  547.346204]  ? mark_held_locks+0xc7/0x130
[  547.350358]  ? _raw_spin_unlock_irq+0x27/0x80
[  547.354905]  ? _raw_spin_unlock_irq+0x27/0x80
[  547.359414]  vprintk_default+0x28/0x30
[  547.363319]  vprintk_func+0x7e/0x181
[  547.367042]  printk+0xa7/0xcf
[  547.370152]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  547.374909]  ? _raw_spin_unlock_irq+0x60/0x80
[  547.379420]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  547.384713]  dump_header+0x7cc/0xf72
[  547.388434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.394010]  ? check_preemption_disabled+0x48/0x280
[  547.399060]  ? pagefault_out_of_memory+0x197/0x197
[  547.403994]  ? debug_smp_processor_id+0x1c/0x20
[  547.408681]  ? perf_trace_lock+0x14d/0x7a0
[  547.412922]  ? mark_held_locks+0x130/0x130
[  547.417195]  ? lock_is_held_type+0x210/0x210
[  547.421613]  ? debug_smp_processor_id+0x1c/0x20
[  547.426286]  ? zap_class+0x640/0x640
[  547.430008]  ? lock_is_held_type+0x210/0x210
[  547.434439]  ? perf_trace_lock+0x14d/0x7a0
[  547.438682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.444238]  ? find_held_lock+0x36/0x1c0
[  547.448335]  ? mark_held_locks+0xc7/0x130
[  547.452502]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  547.457647]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  547.462753]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  547.467340]  ? trace_hardirqs_on+0xbd/0x310
[  547.471664]  ? kasan_check_read+0x11/0x20
[  547.475818]  ? ___ratelimit+0x3b4/0x672
[  547.479797]  ? trace_hardirqs_off_caller+0x310/0x310
[  547.484920]  ? trace_hardirqs_on+0x310/0x310
[  547.489329]  ? lock_downgrade+0x900/0x900
[  547.493488]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  547.498623]  ? ___ratelimit+0x3b9/0x672
[  547.502625]  ? idr_get_free+0xf70/0xf70
[  547.506610]  ? lock_is_held_type+0x210/0x210
[  547.511031]  oom_kill_process.cold.27+0x10/0x903
[  547.515804]  ? zap_class+0x640/0x640
[  547.519538]  ? _raw_spin_unlock+0x2c/0x50
[  547.523688]  ? oom_badness+0xe6/0xaa0
[  547.527513]  ? oom_evaluate_task+0x540/0x540
[  547.531934]  ? find_held_lock+0x36/0x1c0
[  547.536029]  ? out_of_memory+0x974/0x1430
[  547.540189]  ? lock_downgrade+0x900/0x900
[  547.544340]  ? check_preemption_disabled+0x48/0x280
[  547.549367]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  547.554305]  ? kasan_check_read+0x11/0x20
[  547.558454]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  547.563736]  ? rcu_softirq_qs+0x20/0x20
[  547.567720]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  547.572753]  ? oom_evaluate_task+0x302/0x540
[  547.577165]  out_of_memory+0xa84/0x1430
[  547.581212]  ? oom_killer_disable+0x3a0/0x3a0
[  547.585721]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  547.590662]  ? __ww_mutex_check_waiters+0x160/0x160
[  547.595701]  __alloc_pages_slowpath+0x232c/0x2de0
[  547.600584]  ? warn_alloc+0x120/0x120
[  547.604388]  ? mark_held_locks+0x130/0x130
[  547.608636]  ? find_get_entry+0xaae/0x1120
[  547.612880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.618438]  ? check_preemption_disabled+0x48/0x280
[  547.623457]  ? filemap_map_pages+0x1a20/0x1a20
[  547.628061]  ? debug_smp_processor_id+0x1c/0x20
[  547.632733]  ? perf_trace_lock+0x14d/0x7a0
[  547.636990]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  547.642540]  ? should_fail+0x22d/0xd01
[  547.646440]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  547.651551]  ? zap_class+0x640/0x640
[  547.655294]  ? __lock_is_held+0xb5/0x140
[  547.659386]  ? mark_held_locks+0x130/0x130
[  547.663640]  ? lock_release+0xa00/0xa00
[  547.667624]  ? perf_trace_sched_process_exec+0x860/0x860
[  547.673087]  ? xa_load+0x2ba/0x460
[  547.676676]  ? lock_downgrade+0x900/0x900
[  547.680844]  ? __might_sleep+0x95/0x190
[  547.684876]  __alloc_pages_nodemask+0xad8/0xea0
[  547.689561]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  547.694579]  ? __page_cache_alloc+0x191/0x5c0
[  547.699115]  ? xa_load+0x2e1/0x460
[  547.702661]  ? xa_clear_mark+0x40/0x40
[  547.706573]  ? zap_class+0x640/0x640
[  547.710326]  ? zap_class+0x640/0x640
[  547.714045]  ? zap_class+0x640/0x640
[  547.717762]  ? __do_page_cache_readahead+0x663/0x810
[  547.722876]  ? find_held_lock+0x36/0x1c0
[  547.726956]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  547.732523]  alloc_pages_current+0x173/0x350
[  547.736961]  __page_cache_alloc+0x38c/0x5c0
[  547.741315]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  547.746250]  ? kasan_check_read+0x11/0x20
[  547.750417]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  547.755706]  ? generic_perform_write+0x6a0/0x6a0
[  547.760464]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  547.766014]  ? check_preemption_disabled+0x48/0x280
[  547.771045]  filemap_fault+0x1595/0x25f0
[  547.775161]  ? __lock_page_or_retry+0xa00/0xa00
[  547.779836]  ? mark_held_locks+0x130/0x130
[  547.784082]  ? filemap_map_pages+0xd6b/0x1a20
[  547.788581]  ? lock_downgrade+0x900/0x900
[  547.792750]  ? check_preemption_disabled+0x48/0x280
[  547.797780]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  547.802711]  ? kasan_check_read+0x11/0x20
[  547.806866]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  547.812149]  ? rcu_softirq_qs+0x20/0x20
[  547.816137]  ? filemap_map_pages+0xd92/0x1a20
[  547.820649]  ? find_get_entries_tag+0x1400/0x1400
[  547.825515]  ? debug_object_destroy+0x2b0/0x2b0
[  547.830190]  ? lock_pi_update_atomic+0x150/0x150
[  547.834961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  547.840531]  ? lock_acquire+0x1ed/0x520
[  547.844524]  ? ext4_filemap_fault+0x7a/0xad
[  547.848856]  ? lock_release+0xa00/0xa00
[  547.852832]  ? perf_trace_sched_process_exec+0x860/0x860
[  547.858307]  ? print_usage_bug+0xc0/0xc0
[  547.862894]  ? print_usage_bug+0xc0/0xc0
[  547.866988]  ? down_read+0x8d/0x120
[  547.870614]  ? ext4_filemap_fault+0x7a/0xad
[  547.874939]  ? __down_interruptible+0x700/0x700
[  547.879654]  ext4_filemap_fault+0x82/0xad
[  547.883812]  __do_fault+0x100/0x6b0
[  547.887450]  ? pmd_devmap_trans_unstable+0x220/0x220
[  547.892562]  ? mark_held_locks+0x130/0x130
[  547.896800]  ? mark_held_locks+0x130/0x130
[  547.901040]  ? debug_smp_processor_id+0x1c/0x20
[  547.905711]  ? perf_trace_lock+0x14d/0x7a0
[  547.909961]  ? lock_downgrade+0x900/0x900
[  547.914148]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  547.919728]  __handle_mm_fault+0x3ea0/0x5be0
[  547.924154]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  547.929002]  ? lock_is_held_type+0x210/0x210
[  547.933418]  ? file_remove_privs+0x540/0x540
[  547.937824]  ? file_remove_privs+0x540/0x540
[  547.942253]  ? zap_class+0x640/0x640
[  547.945986]  ? zap_class+0x640/0x640
[  547.949702]  ? __x64_sys_futex+0x53e/0x6a0
[  547.953967]  ? find_held_lock+0x36/0x1c0
[  547.958040]  ? handle_mm_fault+0x42a/0xc70
[  547.962286]  ? lock_downgrade+0x900/0x900
[  547.966440]  ? check_preemption_disabled+0x48/0x280
[  547.971466]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  547.976412]  ? kasan_check_read+0x11/0x20
[  547.980561]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  547.985868]  ? rcu_softirq_qs+0x20/0x20
[  547.989846]  ? trace_hardirqs_off_caller+0x310/0x310
[  547.994952]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  548.000525]  ? check_preemption_disabled+0x48/0x280
[  548.005551]  handle_mm_fault+0x54f/0xc70
[  548.009638]  ? __handle_mm_fault+0x5be0/0x5be0
[  548.014232]  ? find_vma+0x34/0x190
[  548.017783]  __do_page_fault+0x5e8/0xe60
[  548.021850]  ? trace_hardirqs_off+0xb8/0x310
[  548.026307]  do_page_fault+0xf2/0x7e0
[  548.030113]  ? vmalloc_sync_all+0x30/0x30
[  548.034266]  ? error_entry+0x70/0xd0
[  548.037986]  ? trace_hardirqs_off_caller+0xbb/0x310
[  548.043101]  ? trace_hardirqs_on_caller+0xc0/0x310
[  548.048044]  ? syscall_return_slowpath+0x5e0/0x5e0
[  548.052992]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  548.057835]  ? trace_hardirqs_on_caller+0x310/0x310
[  548.062851]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  548.068310]  ? prepare_exit_to_usermode+0x291/0x3b0
[  548.073332]  ? page_fault+0x8/0x30
[  548.076882]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  548.081735]  ? page_fault+0x8/0x30
[  548.085311]  page_fault+0x1e/0x30
[  548.088763] RIP: 0033:0x45ddf3
[  548.091983] Code: Bad RIP value.
[  548.095346] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  548.100724] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  548.107989] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  548.115280] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  548.122551] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  548.129820] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  548.137181] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  548.137186] warn_alloc_show_mem: 1 callbacks suppressed
[  548.137194] Mem-Info:
[  548.144830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  548.150245] active_anon:147110 inactive_anon:190 isolated_anon:0
[  548.150245]  active_file:13 inactive_file:13 isolated_file:2
[  548.150245]  unevictable:1 dirty:0 writeback:0 unstable:0
[  548.150245]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  548.150245]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  548.150245]  free:13705 free_pcp:247 free_cma:0
[  548.152573] Call Trace:
[  548.161954] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  548.195004]  <IRQ>
[  548.197573] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  548.225069]  dump_stack+0x244/0x39d
[  548.227197] lowmem_reserve[]: 0 2818 6321 6321
[  548.253301]  ? dump_stack_print_info.cold.1+0x20/0x20
[  548.256913] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  548.261544]  warn_alloc.cold.116+0xb7/0x1bd
[  548.266709] lowmem_reserve[]: 0 0 3503 3503
[  548.294390]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  548.298689] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  548.303011]  ? lock_downgrade+0x900/0x900
[  548.307837] lowmem_reserve[]: 0 0 0 0
[  548.336723]  ? trace_hardirqs_off+0xb8/0x310
[  548.340860] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  548.344661]  ? trace_hardirqs_off+0xb8/0x310
[  548.349059] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  548.362611]  __alloc_pages_slowpath+0x2651/0x2de0
[  548.367004] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  548.382124]  ? warn_alloc+0x120/0x120
[  548.386923] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  548.401486]  ? print_usage_bug+0xc0/0xc0
[  548.405280] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  548.414101]  ? warn_alloc+0x120/0x120
[  548.418139] 274 total pagecache pages
[  548.426710]  ? warn_alloc+0x120/0x120
[  548.430512] 0 pages in swap cache
[  548.434311]  ? print_usage_bug+0xc0/0xc0
[  548.438092] Swap cache stats: add 0, delete 0, find 0/0
[  548.441555]  ? kvm_clock_read+0x18/0x30
[  548.445596] Free swap  = 0kB
[  548.450959]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  548.454936] Total swap = 0kB
[  548.457968]  ? print_usage_bug+0xc0/0xc0
[  548.462972] 1965979 pages RAM
[  548.465985]  ? __lock_acquire+0x62f/0x4c20
[  548.470022] 0 pages HighMem/MovableOnly
[  548.473149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  548.477376] 342854 pages reserved
[  548.481341]  ? should_fail+0x22d/0xd01
[  548.486854] 0 pages cma reserved
[  548.490304]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  548.494277] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  548.497560]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  548.497575]  ? __lock_acquire+0x62f/0x4c20
[  548.497607]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  548.502937] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  548.509363]  ? __lock_acquire+0x62f/0x4c20
[  548.514444] syz-fuzzer cpuset=/ mems_allowed=0
[  548.518678]  ? should_fail+0x22d/0xd01
[  548.546650]  ? rcu_irq_exit+0x1a2/0x390
[  548.550639]  ? mark_held_locks+0x130/0x130
[  548.554883]  ? mark_held_locks+0x130/0x130
[  548.559118]  ? perf_trace_lock+0x14d/0x7a0
[  548.563362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.568937]  ? check_preemption_disabled+0x48/0x280
[  548.573995]  ? zap_class+0x640/0x640
[  548.577738]  ? debug_smp_processor_id+0x1c/0x20
[  548.582414]  ? perf_trace_lock+0x14d/0x7a0
[  548.586653]  ? check_preemption_disabled+0x48/0x280
[  548.591679]  ? lock_is_held_type+0x210/0x210
[  548.596089]  ? __lock_is_held+0xb5/0x140
[  548.600170]  __alloc_pages_nodemask+0xad8/0xea0
[  548.604842]  ? zap_class+0x640/0x640
[  548.608606]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  548.613643]  ? find_held_lock+0x36/0x1c0
[  548.617722]  ? ____cache_alloc_node+0x1c7/0x1e0
[  548.622399]  ? lock_downgrade+0x900/0x900
[  548.626560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.632108]  cache_grow_begin+0xa5/0x8c0
[  548.636190]  ? do_raw_spin_unlock+0xa7/0x330
[  548.640626]  fallback_alloc+0x204/0x2e0
[  548.644610]  ____cache_alloc_node+0x1c7/0x1e0
[  548.649130]  kmem_cache_alloc_node+0xe3/0x730
[  548.653634]  ? ipv6_get_ifaddr+0x42e/0x620
[  548.657882]  __alloc_skb+0x119/0x770
[  548.661600]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  548.666885]  ? netdev_alloc_frag+0x1f0/0x1f0
[  548.671308]  ? lock_downgrade+0x900/0x900
[  548.675472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.681056]  ? refcount_sub_and_test_checked+0x203/0x310
[  548.686524]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  548.691976]  ? addrconf_rs_timer+0x690/0x690
[  548.696406]  ndisc_alloc_skb+0x144/0x340
[  548.700480]  ndisc_send_rs+0x331/0x6e0
[  548.704408]  addrconf_rs_timer+0x314/0x690
[  548.708652]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  548.712902]  call_timer_fn+0x272/0x920
[  548.716796]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  548.721107]  ? process_timeout+0x40/0x40
[  548.725182]  ? __run_timers+0x7da/0xc70
[  548.729164]  ? _raw_spin_unlock_irq+0x27/0x80
[  548.733662]  ? _raw_spin_unlock_irq+0x27/0x80
[  548.738157]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  548.742394]  ? lockdep_hardirqs_on+0x296/0x5b0
[  548.746993]  ? trace_hardirqs_on+0xbd/0x310
[  548.751322]  ? kasan_check_read+0x11/0x20
[  548.755470]  ? __run_timers+0x7da/0xc70
[  548.759458]  ? trace_hardirqs_off_caller+0x310/0x310
[  548.764566]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  548.768810]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  548.773044]  __run_timers+0x7e5/0xc70
[  548.776857]  ? timer_fixup_init+0x70/0x70
[  548.781016]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  548.786038]  ? zap_class+0x640/0x640
[  548.789759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.795302]  ? check_preemption_disabled+0x48/0x280
[  548.800334]  ? debug_smp_processor_id+0x1c/0x20
[  548.805032]  ? perf_trace_lock+0x14d/0x7a0
[  548.809275]  ? find_held_lock+0x36/0x1c0
[  548.813346]  ? zap_class+0x640/0x640
[  548.817067]  ? pvclock_read_flags+0x160/0x160
[  548.821565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.827103]  ? check_preemption_disabled+0x48/0x280
[  548.832137]  ? __lock_is_held+0xb5/0x140
[  548.836206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.841746]  ? check_preemption_disabled+0x48/0x280
[  548.846772]  run_timer_softirq+0x52/0xb0
[  548.850835]  ? rcu_read_lock_sched_held+0x14f/0x180
[  548.855872]  __do_softirq+0x308/0xb7e
[  548.859695]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  548.864193]  ? lock_downgrade+0x900/0x900
[  548.868351]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  548.873468]  ? pvclock_read_flags+0x160/0x160
[  548.877976]  ? lapic_next_event+0x5a/0x90
[  548.882137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.887687]  ? kvm_clock_read+0x18/0x30
[  548.891684]  ? kvm_sched_clock_read+0x9/0x20
[  548.896103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.901647]  ? check_preemption_disabled+0x48/0x280
[  548.906680]  irq_exit+0x17f/0x1c0
[  548.910137]  smp_apic_timer_interrupt+0x1cb/0x760
[  548.914982]  ? smp_reschedule_interrupt+0x109/0x650
[  548.920039]  ? smp_call_function_single_interrupt+0x650/0x650
[  548.925944]  ? interrupt_entry+0xb5/0xc0
[  548.930033]  ? trace_hardirqs_off_caller+0xbb/0x310
[  548.935083]  ? trace_hardirqs_off_caller+0xbb/0x310
[  548.940105]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  548.944968]  ? trace_hardirqs_on_caller+0x310/0x310
[  548.950000]  ? trace_hardirqs_on_caller+0x310/0x310
[  548.955028]  ? task_prio+0x50/0x50
[  548.958593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  548.964140]  ? check_preemption_disabled+0x48/0x280
[  548.969168]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  548.974031]  apic_timer_interrupt+0xf/0x20
[  548.978260]  </IRQ>
[  548.980513] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  548.985451] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  549.004354] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  549.012283] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  549.019556] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  549.026825] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  549.034094] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  549.041364] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  549.048690]  skb_clone+0x1bb/0x500
[  549.052237]  ? skb_split+0x11e0/0x11e0
[  549.056133]  ? debug_smp_processor_id+0x1c/0x20
[  549.060809]  ? perf_trace_lock+0x14d/0x7a0
[  549.065046]  ? __switch_to_asm+0x34/0x70
[  549.069106]  ? __switch_to_asm+0x40/0x70
[  549.073182]  ? __switch_to_asm+0x40/0x70
[  549.077245]  ? __switch_to_asm+0x34/0x70
[  549.081319]  bpf_clone_redirect+0xb9/0x490
[  549.085568]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  549.090519]  ? __sched_text_start+0x8/0x8
[  549.094695]  ? find_held_lock+0x36/0x1c0
[  549.098771]  ? lock_acquire+0x1ed/0x520
[  549.102776]  ? bpf_test_run+0x3cb/0x780
[  549.106761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.112305]  ? check_preemption_disabled+0x48/0x280
[  549.117329]  ? kasan_check_read+0x11/0x20
[  549.121477]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  549.126768]  ? rcu_softirq_qs+0x20/0x20
[  549.130758]  ? preempt_schedule+0x4d/0x60
[  549.134939]  ? ___preempt_schedule+0x16/0x18
[  549.139380]  ? bpf_test_run+0x25d/0x780
[  549.143893]  ? netlink_diag_dump+0x2a0/0x2a0
[  549.148307]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  549.153852]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  549.158629]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  549.163475]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  549.169044]  ? fput+0x130/0x1a0
[  549.172335]  ? __bpf_prog_get+0x9b/0x290
[  549.176399]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  549.181246]  ? bpf_prog_test_run+0x130/0x1a0
[  549.185665]  ? __x64_sys_bpf+0x3d8/0x520
[  549.189729]  ? bpf_prog_get+0x20/0x20
[  549.193569]  ? do_syscall_64+0x1b9/0x820
[  549.197635]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  549.203031]  ? syscall_return_slowpath+0x5e0/0x5e0
[  549.207961]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  549.212832]  ? trace_hardirqs_on_caller+0x310/0x310
[  549.217869]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  549.222902]  ? prepare_exit_to_usermode+0x291/0x3b0
[  549.227928]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  549.232779]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  549.238186] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  549.238266] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  549.245215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  549.251960] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  549.261043] Call Trace:
[  549.271555] syz-executor4 cpuset=syz4 mems_allowed=0
[  549.274145]  <IRQ>
[  549.281403]  dump_stack+0x244/0x39d
[  549.285053]  ? dump_stack_print_info.cold.1+0x20/0x20
[  549.290260]  warn_alloc.cold.116+0xb7/0x1bd
[  549.294598]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  549.299449]  ? lock_downgrade+0x900/0x900
[  549.303612]  ? trace_hardirqs_off+0xb8/0x310
[  549.308074]  ? trace_hardirqs_off+0xb8/0x310
[  549.312503]  __alloc_pages_slowpath+0x2651/0x2de0
[  549.317391]  ? warn_alloc+0x120/0x120
[  549.321195]  ? print_usage_bug+0xc0/0xc0
[  549.325263]  ? warn_alloc+0x120/0x120
[  549.329072]  ? debug_smp_processor_id+0x1c/0x20
[  549.333745]  ? warn_alloc+0x120/0x120
[  549.337575]  ? print_usage_bug+0xc0/0xc0
[  549.341641]  ? print_usage_bug+0xc0/0xc0
[  549.345707]  ? __lock_acquire+0x62f/0x4c20
[  549.349956]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  549.355512]  ? should_fail+0x22d/0xd01
[  549.359407]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  549.364547]  ? __lock_acquire+0x62f/0x4c20
[  549.368792]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  549.373894]  ? __lock_acquire+0x62f/0x4c20
[  549.378129]  ? should_fail+0x22d/0xd01
[  549.382018]  ? find_held_lock+0x36/0x1c0
[  549.386091]  ? mark_held_locks+0x130/0x130
[  549.390348]  ? mark_held_locks+0x130/0x130
[  549.394584]  ? perf_trace_lock+0x14d/0x7a0
[  549.398824]  ? zap_class+0x640/0x640
[  549.402545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.408090]  ? check_preemption_disabled+0x48/0x280
[  549.413109]  ? zap_class+0x640/0x640
[  549.416831]  ? debug_smp_processor_id+0x1c/0x20
[  549.421514]  ? perf_trace_lock+0x14d/0x7a0
[  549.425756]  ? check_preemption_disabled+0x48/0x280
[  549.430783]  ? lock_is_held_type+0x210/0x210
[  549.435197]  ? __lock_is_held+0xb5/0x140
[  549.439276]  __alloc_pages_nodemask+0xad8/0xea0
[  549.443953]  ? zap_class+0x640/0x640
[  549.447677]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  549.452709]  ? find_held_lock+0x36/0x1c0
[  549.456801]  ? ____cache_alloc_node+0x1c7/0x1e0
[  549.461483]  ? lock_downgrade+0x900/0x900
[  549.465677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.471226]  cache_grow_begin+0xa5/0x8c0
[  549.475298]  ? do_raw_spin_unlock+0xa7/0x330
[  549.479717]  fallback_alloc+0x204/0x2e0
[  549.483708]  ____cache_alloc_node+0x1c7/0x1e0
[  549.488215]  kmem_cache_alloc_node+0xe3/0x730
[  549.492713]  ? ipv6_get_ifaddr+0x42e/0x620
[  549.496962]  __alloc_skb+0x119/0x770
[  549.500682]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  549.505965]  ? netdev_alloc_frag+0x1f0/0x1f0
[  549.510380]  ? lock_downgrade+0x900/0x900
[  549.514548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.520100]  ? refcount_sub_and_test_checked+0x203/0x310
[  549.525584]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  549.531039]  ? addrconf_rs_timer+0x690/0x690
[  549.535481]  ndisc_alloc_skb+0x144/0x340
[  549.539584]  ndisc_send_rs+0x331/0x6e0
[  549.543481]  addrconf_rs_timer+0x314/0x690
[  549.547741]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  549.552009]  call_timer_fn+0x272/0x920
[  549.555921]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  549.560176]  ? process_timeout+0x40/0x40
[  549.564251]  ? mark_held_locks+0xc7/0x130
[  549.568405]  ? _raw_spin_unlock_irq+0x27/0x80
[  549.572919]  ? _raw_spin_unlock_irq+0x27/0x80
[  549.577418]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  549.581657]  ? lockdep_hardirqs_on+0x296/0x5b0
[  549.586250]  ? trace_hardirqs_on+0xbd/0x310
[  549.590595]  ? kasan_check_read+0x11/0x20
[  549.594743]  ? __run_timers+0x7da/0xc70
[  549.598739]  ? trace_hardirqs_off_caller+0x310/0x310
[  549.603855]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  549.608115]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  549.612348]  __run_timers+0x7e5/0xc70
[  549.616165]  ? timer_fixup_init+0x70/0x70
[  549.620347]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  549.625368]  ? zap_class+0x640/0x640
[  549.629083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.634639]  ? print_usage_bug+0xc0/0xc0
[  549.638712]  ? debug_smp_processor_id+0x1c/0x20
[  549.643381]  ? perf_trace_lock+0x14d/0x7a0
[  549.647627]  ? find_held_lock+0x36/0x1c0
[  549.651703]  ? zap_class+0x640/0x640
[  549.655430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.660976]  ? check_preemption_disabled+0x48/0x280
[  549.666005]  ? __lock_is_held+0xb5/0x140
[  549.670068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.675611]  ? check_preemption_disabled+0x48/0x280
[  549.680635]  run_timer_softirq+0x52/0xb0
[  549.684700]  ? rcu_read_lock_sched_held+0x14f/0x180
[  549.689720]  __do_softirq+0x308/0xb7e
[  549.693538]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  549.698050]  ? lock_downgrade+0x900/0x900
[  549.702206]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  549.707328]  ? pvclock_read_flags+0x160/0x160
[  549.711844]  ? lapic_next_event+0x5a/0x90
[  549.715998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.721565]  ? kvm_clock_read+0x18/0x30
[  549.725552]  ? kvm_sched_clock_read+0x9/0x20
[  549.729964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.735517]  ? check_preemption_disabled+0x48/0x280
[  549.740551]  irq_exit+0x17f/0x1c0
[  549.744040]  smp_apic_timer_interrupt+0x1cb/0x760
[  549.748917]  ? smp_reschedule_interrupt+0x109/0x650
[  549.753933]  ? smp_call_function_single_interrupt+0x650/0x650
[  549.759816]  ? interrupt_entry+0xb5/0xc0
[  549.763896]  ? trace_hardirqs_off_caller+0xbb/0x310
[  549.768945]  ? trace_hardirqs_off_caller+0xbb/0x310
[  549.773975]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  549.778820]  ? trace_hardirqs_on_caller+0x310/0x310
[  549.783849]  ? trace_hardirqs_on_caller+0x310/0x310
[  549.788879]  ? task_prio+0x50/0x50
[  549.792437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  549.797977]  ? check_preemption_disabled+0x48/0x280
[  549.803022]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  549.807936]  apic_timer_interrupt+0xf/0x20
[  549.812164]  </IRQ>
[  549.814425] RIP: 0010:console_unlock+0x102f/0x1190
[  549.819387] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  549.838295] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  549.846008] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  549.853280] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  549.860550] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  549.867819] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  549.875093] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  549.882376]  ? netconsole_netdev_event+0x280/0x280
[  549.887335]  ? console_unlock+0x1026/0x1190
[  549.891681]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  549.896376]  ? vprintk_emit+0x846/0x990
[  549.900377]  ? lock_release+0xa00/0xa00
[  549.904365]  ? trace_hardirqs_on+0x30/0x310
[  549.908785]  ? vprintk_default+0x28/0x30
[  549.912848]  ? trace_hardirqs_off_caller+0x310/0x310
[  549.917958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.923522]  vprintk_emit+0x391/0x990
[  549.927347]  ? wake_up_klogd+0x180/0x180
[  549.931442]  ? find_held_lock+0x31/0x1c0
[  549.935529]  ? mark_held_locks+0xc7/0x130
[  549.939684]  ? _raw_spin_unlock_irq+0x27/0x80
[  549.944183]  ? _raw_spin_unlock_irq+0x27/0x80
[  549.948685]  vprintk_default+0x28/0x30
[  549.952576]  vprintk_func+0x7e/0x181
[  549.956297]  printk+0xa7/0xcf
[  549.959406]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  549.964165]  ? _raw_spin_unlock_irq+0x60/0x80
[  549.968677]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  549.973966]  dump_header+0x7cc/0xf72
[  549.977711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  549.983253]  ? check_preemption_disabled+0x48/0x280
[  549.988278]  ? pagefault_out_of_memory+0x197/0x197
[  549.993209]  ? debug_smp_processor_id+0x1c/0x20
[  549.997882]  ? perf_trace_lock+0x14d/0x7a0
[  550.002122]  ? mark_held_locks+0x130/0x130
[  550.006473]  ? lock_is_held_type+0x210/0x210
[  550.011416]  ? debug_smp_processor_id+0x1c/0x20
[  550.016094]  ? zap_class+0x640/0x640
[  550.019820]  ? lock_is_held_type+0x210/0x210
[  550.024227]  ? perf_trace_lock+0x14d/0x7a0
[  550.028474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  550.034033]  ? find_held_lock+0x36/0x1c0
[  550.038112]  ? mark_held_locks+0xc7/0x130
[  550.042268]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  550.047390]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  550.052532]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  550.057124]  ? trace_hardirqs_on+0xbd/0x310
[  550.061449]  ? kasan_check_read+0x11/0x20
[  550.065604]  ? ___ratelimit+0x3b4/0x672
[  550.069603]  ? trace_hardirqs_off_caller+0x310/0x310
[  550.074747]  ? trace_hardirqs_on+0x310/0x310
[  550.079158]  ? lock_downgrade+0x900/0x900
[  550.083314]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  550.088420]  ? ___ratelimit+0x3b9/0x672
[  550.092403]  ? idr_get_free+0xf70/0xf70
[  550.096379]  ? lock_is_held_type+0x210/0x210
[  550.100800]  oom_kill_process.cold.27+0x10/0x903
[  550.105563]  ? zap_class+0x640/0x640
[  550.109300]  ? _raw_spin_unlock+0x2c/0x50
[  550.113447]  ? oom_badness+0xe6/0xaa0
[  550.117260]  ? oom_evaluate_task+0x540/0x540
[  550.121680]  ? find_held_lock+0x36/0x1c0
[  550.125841]  ? out_of_memory+0x974/0x1430
[  550.130008]  ? lock_downgrade+0x900/0x900
[  550.134164]  ? check_preemption_disabled+0x48/0x280
[  550.139185]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  550.144116]  ? kasan_check_read+0x11/0x20
[  550.148264]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  550.153547]  ? rcu_softirq_qs+0x20/0x20
[  550.157541]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  550.162561]  ? oom_evaluate_task+0x302/0x540
[  550.166977]  out_of_memory+0xa84/0x1430
[  550.170974]  ? oom_killer_disable+0x3a0/0x3a0
[  550.175477]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  550.181272]  ? __ww_mutex_check_waiters+0x160/0x160
[  550.186324]  __alloc_pages_slowpath+0x232c/0x2de0
[  550.191199]  ? warn_alloc+0x120/0x120
[  550.195001]  ? mark_held_locks+0x130/0x130
[  550.199243]  ? find_get_entry+0xaae/0x1120
[  550.203490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  550.209047]  ? check_preemption_disabled+0x48/0x280
[  550.214064]  ? filemap_map_pages+0x1a20/0x1a20
[  550.218655]  ? debug_smp_processor_id+0x1c/0x20
[  550.223326]  ? perf_trace_lock+0x14d/0x7a0
[  550.227584]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  550.233140]  ? should_fail+0x22d/0xd01
[  550.237040]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  550.242151]  ? zap_class+0x640/0x640
[  550.245898]  ? __lock_is_held+0xb5/0x140
[  550.249982]  ? mark_held_locks+0x130/0x130
[  550.254245]  ? lock_release+0xa00/0xa00
[  550.258225]  ? perf_trace_sched_process_exec+0x860/0x860
[  550.263684]  ? xa_load+0x2ba/0x460
[  550.267234]  ? lock_downgrade+0x900/0x900
[  550.271405]  ? __might_sleep+0x95/0x190
[  550.275390]  __alloc_pages_nodemask+0xad8/0xea0
[  550.280076]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  550.285143]  ? __page_cache_alloc+0x191/0x5c0
[  550.289642]  ? xa_load+0x2e1/0x460
[  550.293186]  ? xa_clear_mark+0x40/0x40
[  550.297078]  ? zap_class+0x640/0x640
[  550.300819]  ? zap_class+0x640/0x640
[  550.304539]  ? zap_class+0x640/0x640
[  550.308269]  ? __do_page_cache_readahead+0x663/0x810
[  550.313386]  ? find_held_lock+0x36/0x1c0
[  550.317468]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  550.323053]  alloc_pages_current+0x173/0x350
[  550.327471]  __page_cache_alloc+0x38c/0x5c0
[  550.331807]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  550.336742]  ? kasan_check_read+0x11/0x20
[  550.340893]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  550.346179]  ? generic_perform_write+0x6a0/0x6a0
[  550.350938]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  550.356484]  ? check_preemption_disabled+0x48/0x280
[  550.361536]  filemap_fault+0x1595/0x25f0
[  550.365618]  ? __lock_page_or_retry+0xa00/0xa00
[  550.370292]  ? mark_held_locks+0x130/0x130
[  550.374547]  ? filemap_map_pages+0xd6b/0x1a20
[  550.379050]  ? lock_downgrade+0x900/0x900
[  550.383205]  ? check_preemption_disabled+0x48/0x280
[  550.388250]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  550.393198]  ? kasan_check_read+0x11/0x20
[  550.397346]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  550.402640]  ? rcu_softirq_qs+0x20/0x20
[  550.406632]  ? filemap_map_pages+0xd92/0x1a20
[  550.411142]  ? find_get_entries_tag+0x1400/0x1400
[  550.416005]  ? debug_object_destroy+0x2b0/0x2b0
[  550.420680]  ? lock_pi_update_atomic+0x150/0x150
[  550.425437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  550.430991]  ? lock_acquire+0x1ed/0x520
[  550.434970]  ? ext4_filemap_fault+0x7a/0xad
[  550.439304]  ? lock_release+0xa00/0xa00
[  550.443463]  ? perf_trace_sched_process_exec+0x860/0x860
[  550.448925]  ? print_usage_bug+0xc0/0xc0
[  550.452994]  ? print_usage_bug+0xc0/0xc0
[  550.457103]  ? down_read+0x8d/0x120
[  550.460758]  ? ext4_filemap_fault+0x7a/0xad
[  550.465084]  ? __down_interruptible+0x700/0x700
[  550.469782]  ext4_filemap_fault+0x82/0xad
[  550.473948]  __do_fault+0x100/0x6b0
[  550.477583]  ? pmd_devmap_trans_unstable+0x220/0x220
[  550.482698]  ? mark_held_locks+0x130/0x130
[  550.486939]  ? mark_held_locks+0x130/0x130
[  550.491181]  ? debug_smp_processor_id+0x1c/0x20
[  550.495855]  ? perf_trace_lock+0x14d/0x7a0
[  550.500104]  ? lock_downgrade+0x900/0x900
[  550.504260]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  550.509822]  __handle_mm_fault+0x3ea0/0x5be0
[  550.514276]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  550.519139]  ? lock_is_held_type+0x210/0x210
[  550.523557]  ? file_remove_privs+0x540/0x540
[  550.527966]  ? file_remove_privs+0x540/0x540
[  550.532396]  ? zap_class+0x640/0x640
[  550.536113]  ? zap_class+0x640/0x640
[  550.539829]  ? __x64_sys_futex+0x53e/0x6a0
[  550.544093]  ? find_held_lock+0x36/0x1c0
[  550.548184]  ? handle_mm_fault+0x42a/0xc70
[  550.552423]  ? lock_downgrade+0x900/0x900
[  550.556604]  ? check_preemption_disabled+0x48/0x280
[  550.561647]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  550.566582]  ? kasan_check_read+0x11/0x20
[  550.570744]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  550.576026]  ? rcu_softirq_qs+0x20/0x20
[  550.580004]  ? trace_hardirqs_off_caller+0x310/0x310
[  550.585111]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  550.590670]  ? check_preemption_disabled+0x48/0x280
[  550.595708]  handle_mm_fault+0x54f/0xc70
[  550.599781]  ? __handle_mm_fault+0x5be0/0x5be0
[  550.604383]  ? find_vma+0x34/0x190
[  550.607964]  __do_page_fault+0x5e8/0xe60
[  550.612056]  ? trace_hardirqs_off+0xb8/0x310
[  550.616520]  do_page_fault+0xf2/0x7e0
[  550.620327]  ? vmalloc_sync_all+0x30/0x30
[  550.624479]  ? error_entry+0x70/0xd0
[  550.628210]  ? trace_hardirqs_off_caller+0xbb/0x310
[  550.633231]  ? trace_hardirqs_on_caller+0xc0/0x310
[  550.638168]  ? syscall_return_slowpath+0x5e0/0x5e0
[  550.643097]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  550.647948]  ? trace_hardirqs_on_caller+0x310/0x310
[  550.652982]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  550.658442]  ? prepare_exit_to_usermode+0x291/0x3b0
[  550.663459]  ? page_fault+0x8/0x30
[  550.667009]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  550.671862]  ? page_fault+0x8/0x30
[  550.675410]  page_fault+0x1e/0x30
[  550.678871] RIP: 0033:0x45ddf3
[  550.682073] Code: Bad RIP value.
[  550.685453] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  550.690819] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  550.698091] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  550.705360] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  550.712633] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  550.719903] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  550.727199] warn_alloc_show_mem: 1 callbacks suppressed
[  550.727211] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  550.727214] Mem-Info:
[  550.727247] active_anon:147110 inactive_anon:190 isolated_anon:0
[  550.727247]  active_file:13 inactive_file:13 isolated_file:2
[  550.727247]  unevictable:1 dirty:0 writeback:0 unstable:0
[  550.727247]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  550.727247]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  550.727247]  free:13705 free_pcp:247 free_cma:0
[  550.732588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  550.739972] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  550.742362] Call Trace:
[  550.775403] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  550.784748]  <IRQ>
[  550.812234] lowmem_reserve[]: 0 2818 6321 6321
[  550.814839]  dump_stack+0x244/0x39d
[  550.840918] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  550.843084]  ? dump_stack_print_info.cold.1+0x20/0x20
[  550.847654] lowmem_reserve[]: 0 0 3503 3503
[  550.851285]  warn_alloc.cold.116+0xb7/0x1bd
[  550.878938] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  550.884125]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  550.888424] lowmem_reserve[]: 0 0 0 0
[  550.892743]  ? lock_downgrade+0x900/0x900
[  550.921604] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  550.926450]  ? trace_hardirqs_off+0xb8/0x310
[  550.930225] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  550.934372]  ? trace_hardirqs_off+0xb8/0x310
[  550.947867] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  550.952305]  __alloc_pages_slowpath+0x2651/0x2de0
[  550.967390] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  550.971813]  ? warn_alloc+0x120/0x120
[  550.986335] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  550.991166]  ? __lock_acquire+0x62f/0x4c20
[  550.999990] 274 total pagecache pages
[  551.003836]  ? warn_alloc+0x120/0x120
[  551.012888] 0 pages in swap cache
[  551.017116]  ? warn_alloc+0x120/0x120
[  551.020896] Swap cache stats: add 0, delete 0, find 0/0
[  551.024689]  ? print_usage_bug+0xc0/0xc0
[  551.028204] Free swap  = 0kB
[  551.032033]  ? print_usage_bug+0xc0/0xc0
[  551.037384] Total swap = 0kB
[  551.041438]  ? perf_trace_lock+0x14d/0x7a0
[  551.044443] 1965979 pages RAM
[  551.048509]  ? zap_class+0x640/0x640
[  551.051517] 0 pages HighMem/MovableOnly
[  551.055749]  ? print_usage_bug+0xc0/0xc0
[  551.058834] 342854 pages reserved
[  551.062564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  551.066534] 0 pages cma reserved
[  551.070591]  ? should_fail+0x22d/0xd01
[  551.074082] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  551.079559]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  551.079576]  ? __lock_acquire+0x62f/0x4c20
[  551.079595]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  551.083004] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  551.086824]  ? __lock_acquire+0x62f/0x4c20
[  551.093293] syz-fuzzer cpuset=/ mems_allowed=0
[  551.098389]  ? should_fail+0x22d/0xd01
[  551.130603]  ? mark_held_locks+0x130/0x130
[  551.134936]  ? mark_held_locks+0x130/0x130
[  551.139173]  ? print_usage_bug+0xc0/0xc0
[  551.143776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.149319]  ? check_preemption_disabled+0x48/0x280
[  551.154333]  ? zap_class+0x640/0x640
[  551.158073]  ? debug_smp_processor_id+0x1c/0x20
[  551.162747]  ? perf_trace_lock+0x14d/0x7a0
[  551.167016]  ? check_preemption_disabled+0x48/0x280
[  551.172067]  ? lock_is_held_type+0x210/0x210
[  551.176481]  ? __lock_is_held+0xb5/0x140
[  551.180578]  __alloc_pages_nodemask+0xad8/0xea0
[  551.185252]  ? zap_class+0x640/0x640
[  551.188975]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  551.194054]  ? find_held_lock+0x36/0x1c0
[  551.198140]  ? ____cache_alloc_node+0x1c7/0x1e0
[  551.202853]  ? lock_downgrade+0x900/0x900
[  551.207036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.212582]  cache_grow_begin+0xa5/0x8c0
[  551.216646]  ? do_raw_spin_unlock+0xa7/0x330
[  551.221064]  fallback_alloc+0x204/0x2e0
[  551.225064]  ____cache_alloc_node+0x1c7/0x1e0
[  551.229573]  kmem_cache_alloc_node+0xe3/0x730
[  551.234071]  ? ipv6_get_ifaddr+0x42e/0x620
[  551.238322]  __alloc_skb+0x119/0x770
[  551.242040]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  551.247350]  ? netdev_alloc_frag+0x1f0/0x1f0
[  551.251762]  ? lock_downgrade+0x900/0x900
[  551.255929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.261470]  ? refcount_sub_and_test_checked+0x203/0x310
[  551.266940]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  551.272428]  ? addrconf_rs_timer+0x690/0x690
[  551.276853]  ndisc_alloc_skb+0x144/0x340
[  551.280925]  ndisc_send_rs+0x331/0x6e0
[  551.284856]  addrconf_rs_timer+0x314/0x690
[  551.289100]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  551.293362]  call_timer_fn+0x272/0x920
[  551.297251]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  551.301504]  ? process_timeout+0x40/0x40
[  551.305603]  ? __run_timers+0x7da/0xc70
[  551.309581]  ? _raw_spin_unlock_irq+0x27/0x80
[  551.314079]  ? _raw_spin_unlock_irq+0x27/0x80
[  551.318583]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  551.322820]  ? lockdep_hardirqs_on+0x296/0x5b0
[  551.327414]  ? trace_hardirqs_on+0xbd/0x310
[  551.331742]  ? kasan_check_read+0x11/0x20
[  551.335894]  ? __run_timers+0x7da/0xc70
[  551.339872]  ? trace_hardirqs_off_caller+0x310/0x310
[  551.344997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  551.349239]  __run_timers+0x7e5/0xc70
[  551.353073]  ? timer_fixup_init+0x70/0x70
[  551.357225]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  551.362246]  ? zap_class+0x640/0x640
[  551.365964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.371514]  ? check_preemption_disabled+0x48/0x280
[  551.376546]  ? debug_smp_processor_id+0x1c/0x20
[  551.381246]  ? perf_trace_lock+0x14d/0x7a0
[  551.385490]  ? find_held_lock+0x36/0x1c0
[  551.389575]  ? zap_class+0x640/0x640
[  551.393298]  ? pvclock_read_flags+0x160/0x160
[  551.397799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.403345]  ? check_preemption_disabled+0x48/0x280
[  551.408382]  ? __lock_is_held+0xb5/0x140
[  551.412450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.417991]  ? check_preemption_disabled+0x48/0x280
[  551.423028]  run_timer_softirq+0x52/0xb0
[  551.427096]  ? rcu_read_lock_sched_held+0x14f/0x180
[  551.432121]  __do_softirq+0x308/0xb7e
[  551.435928]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  551.440426]  ? lock_downgrade+0x900/0x900
[  551.444585]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  551.449705]  ? pvclock_read_flags+0x160/0x160
[  551.454210]  ? lapic_next_event+0x5a/0x90
[  551.458370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.463916]  ? kvm_clock_read+0x18/0x30
[  551.467894]  ? kvm_sched_clock_read+0x9/0x20
[  551.472309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.477850]  ? check_preemption_disabled+0x48/0x280
[  551.482882]  irq_exit+0x17f/0x1c0
[  551.486340]  smp_apic_timer_interrupt+0x1cb/0x760
[  551.491186]  ? smp_reschedule_interrupt+0x109/0x650
[  551.496209]  ? smp_call_function_single_interrupt+0x650/0x650
[  551.502113]  ? interrupt_entry+0xb5/0xc0
[  551.506178]  ? trace_hardirqs_off_caller+0xbb/0x310
[  551.511204]  ? trace_hardirqs_off_caller+0xbb/0x310
[  551.516228]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  551.521079]  ? trace_hardirqs_on_caller+0x310/0x310
[  551.526110]  ? trace_hardirqs_on_caller+0x310/0x310
[  551.531128]  ? task_prio+0x50/0x50
[  551.534675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.540231]  ? check_preemption_disabled+0x48/0x280
[  551.545253]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  551.550110]  apic_timer_interrupt+0xf/0x20
[  551.554340]  </IRQ>
[  551.556585] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  551.561525] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  551.580441] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  551.588178] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  551.595465] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  551.602739] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  551.610007] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  551.617282] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  551.624596]  skb_clone+0x1bb/0x500
[  551.628147]  ? skb_split+0x11e0/0x11e0
[  551.632046]  ? debug_smp_processor_id+0x1c/0x20
[  551.636719]  ? perf_trace_lock+0x14d/0x7a0
[  551.640959]  ? __switch_to_asm+0x34/0x70
[  551.645038]  ? __switch_to_asm+0x40/0x70
[  551.649104]  ? __switch_to_asm+0x40/0x70
[  551.653168]  ? __switch_to_asm+0x34/0x70
[  551.657240]  bpf_clone_redirect+0xb9/0x490
[  551.661493]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  551.666470]  ? __sched_text_start+0x8/0x8
[  551.670649]  ? find_held_lock+0x36/0x1c0
[  551.674723]  ? lock_acquire+0x1ed/0x520
[  551.678701]  ? bpf_test_run+0x3cb/0x780
[  551.682688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.688226]  ? check_preemption_disabled+0x48/0x280
[  551.693307]  ? kasan_check_read+0x11/0x20
[  551.697460]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  551.702737]  ? rcu_softirq_qs+0x20/0x20
[  551.706718]  ? preempt_schedule+0x4d/0x60
[  551.710894]  ? ___preempt_schedule+0x16/0x18
[  551.715359]  ? bpf_test_run+0x25d/0x780
[  551.719351]  ? netlink_diag_dump+0x2a0/0x2a0
[  551.723767]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  551.729316]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  551.734132]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  551.738994]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  551.744542]  ? fput+0x130/0x1a0
[  551.747850]  ? __bpf_prog_get+0x9b/0x290
[  551.751919]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  551.756763]  ? bpf_prog_test_run+0x130/0x1a0
[  551.761180]  ? __x64_sys_bpf+0x3d8/0x520
[  551.765243]  ? bpf_prog_get+0x20/0x20
[  551.769072]  ? do_syscall_64+0x1b9/0x820
[  551.773133]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  551.778508]  ? syscall_return_slowpath+0x5e0/0x5e0
[  551.783474]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  551.788330]  ? trace_hardirqs_on_caller+0x310/0x310
[  551.793350]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  551.798369]  ? prepare_exit_to_usermode+0x291/0x3b0
[  551.803394]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  551.808247]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  551.813641] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  551.813731] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  551.820662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  551.820668] Call Trace:
[  551.820675]  <IRQ>
[  551.820694]  dump_stack+0x244/0x39d
[  551.820714]  ? dump_stack_print_info.cold.1+0x20/0x20
[  551.827301] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  551.836557]  warn_alloc.cold.116+0xb7/0x1bd
[  551.839110] syz-executor4 cpuset=syz4 mems_allowed=0
[  551.841256]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  551.874747]  ? lock_downgrade+0x900/0x900
[  551.878926]  ? trace_hardirqs_off+0xb8/0x310
[  551.883354]  ? trace_hardirqs_off+0xb8/0x310
[  551.887779]  __alloc_pages_slowpath+0x2651/0x2de0
[  551.892663]  ? warn_alloc+0x120/0x120
[  551.896470]  ? print_usage_bug+0xc0/0xc0
[  551.900574]  ? warn_alloc+0x120/0x120
[  551.904392]  ? debug_smp_processor_id+0x1c/0x20
[  551.909097]  ? warn_alloc+0x120/0x120
[  551.912913]  ? print_usage_bug+0xc0/0xc0
[  551.916981]  ? print_usage_bug+0xc0/0xc0
[  551.921053]  ? __lock_acquire+0x62f/0x4c20
[  551.925299]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  551.930855]  ? should_fail+0x22d/0xd01
[  551.934751]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  551.939858]  ? __lock_acquire+0x62f/0x4c20
[  551.944101]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  551.949204]  ? __lock_acquire+0x62f/0x4c20
[  551.953442]  ? should_fail+0x22d/0xd01
[  551.957334]  ? find_held_lock+0x36/0x1c0
[  551.961410]  ? mark_held_locks+0x130/0x130
[  551.965655]  ? mark_held_locks+0x130/0x130
[  551.969891]  ? perf_trace_lock+0x14d/0x7a0
[  551.974159]  ? zap_class+0x640/0x640
[  551.977883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  551.983428]  ? check_preemption_disabled+0x48/0x280
[  551.988446]  ? zap_class+0x640/0x640
[  551.992165]  ? debug_smp_processor_id+0x1c/0x20
[  551.996853]  ? perf_trace_lock+0x14d/0x7a0
[  552.001092]  ? check_preemption_disabled+0x48/0x280
[  552.006133]  ? lock_is_held_type+0x210/0x210
[  552.010557]  ? __lock_is_held+0xb5/0x140
[  552.014628]  __alloc_pages_nodemask+0xad8/0xea0
[  552.019299]  ? zap_class+0x640/0x640
[  552.023020]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  552.028059]  ? find_held_lock+0x36/0x1c0
[  552.032142]  ? ____cache_alloc_node+0x1c7/0x1e0
[  552.036818]  ? lock_downgrade+0x900/0x900
[  552.040979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.046564]  cache_grow_begin+0xa5/0x8c0
[  552.050645]  ? do_raw_spin_unlock+0xa7/0x330
[  552.055064]  fallback_alloc+0x204/0x2e0
[  552.059052]  ____cache_alloc_node+0x1c7/0x1e0
[  552.063563]  kmem_cache_alloc_node+0xe3/0x730
[  552.068065]  ? ipv6_get_ifaddr+0x42e/0x620
[  552.072315]  __alloc_skb+0x119/0x770
[  552.076032]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  552.081341]  ? netdev_alloc_frag+0x1f0/0x1f0
[  552.085752]  ? lock_downgrade+0x900/0x900
[  552.089915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.095458]  ? refcount_sub_and_test_checked+0x203/0x310
[  552.100915]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  552.106367]  ? addrconf_rs_timer+0x690/0x690
[  552.110794]  ndisc_alloc_skb+0x144/0x340
[  552.114865]  ndisc_send_rs+0x331/0x6e0
[  552.118766]  addrconf_rs_timer+0x314/0x690
[  552.123012]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  552.127265]  call_timer_fn+0x272/0x920
[  552.131169]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  552.135405]  ? process_timeout+0x40/0x40
[  552.139491]  ? mark_held_locks+0xc7/0x130
[  552.143660]  ? _raw_spin_unlock_irq+0x27/0x80
[  552.148159]  ? _raw_spin_unlock_irq+0x27/0x80
[  552.152656]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  552.156893]  ? lockdep_hardirqs_on+0x296/0x5b0
[  552.161479]  ? trace_hardirqs_on+0xbd/0x310
[  552.165819]  ? kasan_check_read+0x11/0x20
[  552.169967]  ? __run_timers+0x7da/0xc70
[  552.173949]  ? trace_hardirqs_off_caller+0x310/0x310
[  552.179066]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  552.183570]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  552.187805]  __run_timers+0x7e5/0xc70
[  552.191621]  ? timer_fixup_init+0x70/0x70
[  552.195774]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  552.200796]  ? zap_class+0x640/0x640
[  552.204529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.210075]  ? print_usage_bug+0xc0/0xc0
[  552.214145]  ? debug_smp_processor_id+0x1c/0x20
[  552.218818]  ? perf_trace_lock+0x14d/0x7a0
[  552.223078]  ? find_held_lock+0x36/0x1c0
[  552.227151]  ? zap_class+0x640/0x640
[  552.230870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.236411]  ? check_preemption_disabled+0x48/0x280
[  552.241441]  ? __lock_is_held+0xb5/0x140
[  552.245532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.251073]  ? check_preemption_disabled+0x48/0x280
[  552.256099]  run_timer_softirq+0x52/0xb0
[  552.260161]  ? rcu_read_lock_sched_held+0x14f/0x180
[  552.265188]  __do_softirq+0x308/0xb7e
[  552.269009]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  552.273538]  ? lock_downgrade+0x900/0x900
[  552.277698]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  552.282812]  ? pvclock_read_flags+0x160/0x160
[  552.287311]  ? lapic_next_event+0x5a/0x90
[  552.291467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.297059]  ? kvm_clock_read+0x18/0x30
[  552.301049]  ? kvm_sched_clock_read+0x9/0x20
[  552.305479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.311034]  ? check_preemption_disabled+0x48/0x280
[  552.316067]  irq_exit+0x17f/0x1c0
[  552.319549]  smp_apic_timer_interrupt+0x1cb/0x760
[  552.324393]  ? smp_reschedule_interrupt+0x109/0x650
[  552.329506]  ? smp_call_function_single_interrupt+0x650/0x650
[  552.335417]  ? interrupt_entry+0xb5/0xc0
[  552.339490]  ? trace_hardirqs_off_caller+0xbb/0x310
[  552.344537]  ? trace_hardirqs_off_caller+0xbb/0x310
[  552.349559]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  552.354406]  ? trace_hardirqs_on_caller+0x310/0x310
[  552.359425]  ? trace_hardirqs_on_caller+0x310/0x310
[  552.364459]  ? task_prio+0x50/0x50
[  552.368019]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  552.373576]  ? check_preemption_disabled+0x48/0x280
[  552.378605]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  552.383463]  apic_timer_interrupt+0xf/0x20
[  552.387697]  </IRQ>
[  552.389940] RIP: 0010:console_unlock+0x102f/0x1190
[  552.394892] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  552.413806] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  552.421525] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  552.428799] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  552.436072] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  552.443340] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  552.450611] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  552.457909]  ? netconsole_netdev_event+0x280/0x280
[  552.462863]  ? console_unlock+0x1026/0x1190
[  552.467276]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  552.471953]  ? vprintk_emit+0x846/0x990
[  552.475937]  ? lock_release+0xa00/0xa00
[  552.479932]  ? trace_hardirqs_on+0x30/0x310
[  552.484254]  ? vprintk_default+0x28/0x30
[  552.488318]  ? trace_hardirqs_off_caller+0x310/0x310
[  552.493427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.498975]  vprintk_emit+0x391/0x990
[  552.502785]  ? wake_up_klogd+0x180/0x180
[  552.506860]  ? find_held_lock+0x31/0x1c0
[  552.510947]  ? mark_held_locks+0xc7/0x130
[  552.515131]  ? _raw_spin_unlock_irq+0x27/0x80
[  552.519630]  ? _raw_spin_unlock_irq+0x27/0x80
[  552.524158]  vprintk_default+0x28/0x30
[  552.528051]  vprintk_func+0x7e/0x181
[  552.531774]  printk+0xa7/0xcf
[  552.534901]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  552.539671]  ? _raw_spin_unlock_irq+0x60/0x80
[  552.544187]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  552.549475]  dump_header+0x7cc/0xf72
[  552.553228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.558784]  ? check_preemption_disabled+0x48/0x280
[  552.563814]  ? pagefault_out_of_memory+0x197/0x197
[  552.568762]  ? debug_smp_processor_id+0x1c/0x20
[  552.573451]  ? perf_trace_lock+0x14d/0x7a0
[  552.577714]  ? mark_held_locks+0x130/0x130
[  552.581960]  ? lock_is_held_type+0x210/0x210
[  552.586382]  ? debug_smp_processor_id+0x1c/0x20
[  552.591084]  ? zap_class+0x640/0x640
[  552.594805]  ? lock_is_held_type+0x210/0x210
[  552.599213]  ? perf_trace_lock+0x14d/0x7a0
[  552.603465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.609019]  ? find_held_lock+0x36/0x1c0
[  552.613096]  ? mark_held_locks+0xc7/0x130
[  552.617246]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  552.622348]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  552.627453]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  552.632039]  ? trace_hardirqs_on+0xbd/0x310
[  552.636395]  ? kasan_check_read+0x11/0x20
[  552.640545]  ? ___ratelimit+0x3b4/0x672
[  552.644555]  ? trace_hardirqs_off_caller+0x310/0x310
[  552.649699]  ? trace_hardirqs_on+0x310/0x310
[  552.654116]  ? lock_downgrade+0x900/0x900
[  552.658273]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  552.663380]  ? ___ratelimit+0x3b9/0x672
[  552.667366]  ? idr_get_free+0xf70/0xf70
[  552.671347]  ? lock_is_held_type+0x210/0x210
[  552.675769]  oom_kill_process.cold.27+0x10/0x903
[  552.680537]  ? zap_class+0x640/0x640
[  552.684255]  ? _raw_spin_unlock+0x2c/0x50
[  552.688437]  ? oom_badness+0xe6/0xaa0
[  552.692250]  ? oom_evaluate_task+0x540/0x540
[  552.696666]  ? find_held_lock+0x36/0x1c0
[  552.700739]  ? out_of_memory+0x974/0x1430
[  552.704892]  ? lock_downgrade+0x900/0x900
[  552.709075]  ? check_preemption_disabled+0x48/0x280
[  552.714097]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  552.719044]  ? kasan_check_read+0x11/0x20
[  552.723221]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  552.728505]  ? rcu_softirq_qs+0x20/0x20
[  552.732493]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  552.737557]  ? oom_evaluate_task+0x302/0x540
[  552.741975]  out_of_memory+0xa84/0x1430
[  552.745984]  ? oom_killer_disable+0x3a0/0x3a0
[  552.750534]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  552.755475]  ? __ww_mutex_check_waiters+0x160/0x160
[  552.760596]  __alloc_pages_slowpath+0x232c/0x2de0
[  552.765475]  ? warn_alloc+0x120/0x120
[  552.769307]  ? mark_held_locks+0x130/0x130
[  552.773570]  ? find_get_entry+0xaae/0x1120
[  552.777819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  552.783359]  ? check_preemption_disabled+0x48/0x280
[  552.788375]  ? filemap_map_pages+0x1a20/0x1a20
[  552.792970]  ? debug_smp_processor_id+0x1c/0x20
[  552.797648]  ? perf_trace_lock+0x14d/0x7a0
[  552.801898]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  552.807458]  ? should_fail+0x22d/0xd01
[  552.811355]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  552.816464]  ? zap_class+0x640/0x640
[  552.820215]  ? __lock_is_held+0xb5/0x140
[  552.824287]  ? mark_held_locks+0x130/0x130
[  552.828535]  ? lock_release+0xa00/0xa00
[  552.832526]  ? perf_trace_sched_process_exec+0x860/0x860
[  552.837983]  ? xa_load+0x2ba/0x460
[  552.841538]  ? lock_downgrade+0x900/0x900
[  552.845707]  ? __might_sleep+0x95/0x190
[  552.849692]  __alloc_pages_nodemask+0xad8/0xea0
[  552.854389]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  552.859426]  ? __page_cache_alloc+0x191/0x5c0
[  552.863931]  ? xa_load+0x2e1/0x460
[  552.867479]  ? xa_clear_mark+0x40/0x40
[  552.871386]  ? zap_class+0x640/0x640
[  552.875129]  ? zap_class+0x640/0x640
[  552.878851]  ? zap_class+0x640/0x640
[  552.882571]  ? __do_page_cache_readahead+0x663/0x810
[  552.887685]  ? find_held_lock+0x36/0x1c0
[  552.891759]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  552.897312]  alloc_pages_current+0x173/0x350
[  552.901732]  __page_cache_alloc+0x38c/0x5c0
[  552.906067]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  552.910996]  ? kasan_check_read+0x11/0x20
[  552.915148]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  552.920461]  ? generic_perform_write+0x6a0/0x6a0
[  552.925217]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  552.930759]  ? check_preemption_disabled+0x48/0x280
[  552.935841]  filemap_fault+0x1595/0x25f0
[  552.939925]  ? __lock_page_or_retry+0xa00/0xa00
[  552.944601]  ? mark_held_locks+0x130/0x130
[  552.948853]  ? filemap_map_pages+0xd6b/0x1a20
[  552.953355]  ? lock_downgrade+0x900/0x900
[  552.957518]  ? check_preemption_disabled+0x48/0x280
[  552.962552]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  552.967483]  ? kasan_check_read+0x11/0x20
[  552.971644]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  552.976931]  ? rcu_softirq_qs+0x20/0x20
[  552.980932]  ? filemap_map_pages+0xd92/0x1a20
[  552.985449]  ? find_get_entries_tag+0x1400/0x1400
[  552.990297]  ? debug_object_destroy+0x2b0/0x2b0
[  552.994996]  ? lock_pi_update_atomic+0x150/0x150
[  552.999755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  553.005307]  ? lock_acquire+0x1ed/0x520
[  553.009756]  ? ext4_filemap_fault+0x7a/0xad
[  553.014087]  ? lock_release+0xa00/0xa00
[  553.018061]  ? perf_trace_sched_process_exec+0x860/0x860
[  553.023529]  ? print_usage_bug+0xc0/0xc0
[  553.027623]  ? print_usage_bug+0xc0/0xc0
[  553.031711]  ? down_read+0x8d/0x120
[  553.035345]  ? ext4_filemap_fault+0x7a/0xad
[  553.039687]  ? __down_interruptible+0x700/0x700
[  553.044370]  ext4_filemap_fault+0x82/0xad
[  553.048553]  __do_fault+0x100/0x6b0
[  553.052186]  ? pmd_devmap_trans_unstable+0x220/0x220
[  553.057311]  ? mark_held_locks+0x130/0x130
[  553.061566]  ? mark_held_locks+0x130/0x130
[  553.065810]  ? debug_smp_processor_id+0x1c/0x20
[  553.070525]  ? perf_trace_lock+0x14d/0x7a0
[  553.074766]  ? lock_downgrade+0x900/0x900
[  553.078922]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  553.084470]  __handle_mm_fault+0x3ea0/0x5be0
[  553.088920]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  553.093772]  ? lock_is_held_type+0x210/0x210
[  553.098206]  ? file_remove_privs+0x540/0x540
[  553.102619]  ? file_remove_privs+0x540/0x540
[  553.107065]  ? zap_class+0x640/0x640
[  553.110794]  ? zap_class+0x640/0x640
[  553.114532]  ? __x64_sys_futex+0x53e/0x6a0
[  553.118775]  ? find_held_lock+0x36/0x1c0
[  553.122845]  ? handle_mm_fault+0x42a/0xc70
[  553.127088]  ? lock_downgrade+0x900/0x900
[  553.131240]  ? check_preemption_disabled+0x48/0x280
[  553.136291]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  553.142346]  ? kasan_check_read+0x11/0x20
[  553.146508]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  553.151794]  ? rcu_softirq_qs+0x20/0x20
[  553.155774]  ? trace_hardirqs_off_caller+0x310/0x310
[  553.160884]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  553.166422]  ? check_preemption_disabled+0x48/0x280
[  553.171447]  handle_mm_fault+0x54f/0xc70
[  553.175529]  ? __handle_mm_fault+0x5be0/0x5be0
[  553.180122]  ? find_vma+0x34/0x190
[  553.183669]  __do_page_fault+0x5e8/0xe60
[  553.187749]  ? trace_hardirqs_off+0xb8/0x310
[  553.192179]  do_page_fault+0xf2/0x7e0
[  553.195999]  ? vmalloc_sync_all+0x30/0x30
[  553.200149]  ? error_entry+0x70/0xd0
[  553.203866]  ? trace_hardirqs_off_caller+0xbb/0x310
[  553.208880]  ? trace_hardirqs_on_caller+0xc0/0x310
[  553.213815]  ? syscall_return_slowpath+0x5e0/0x5e0
[  553.218757]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  553.223610]  ? trace_hardirqs_on_caller+0x310/0x310
[  553.228643]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  553.234133]  ? prepare_exit_to_usermode+0x291/0x3b0
[  553.239155]  ? page_fault+0x8/0x30
[  553.242704]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  553.247552]  ? page_fault+0x8/0x30
[  553.251096]  page_fault+0x1e/0x30
[  553.254549] RIP: 0033:0x45ddf3
[  553.257752] Code: Bad RIP value.
[  553.261113] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  553.266475] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  553.273753] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  553.281023] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  553.288305] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  553.295574] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  553.302876] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  553.302882] warn_alloc_show_mem: 1 callbacks suppressed
[  553.302890] Mem-Info:
[  553.310252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  553.315640] active_anon:147110 inactive_anon:190 isolated_anon:0
[  553.315640]  active_file:13 inactive_file:13 isolated_file:2
[  553.315640]  unevictable:1 dirty:0 writeback:0 unstable:0
[  553.315640]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  553.315640]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  553.315640]  free:13705 free_pcp:247 free_cma:0
[  553.318033] Call Trace:
[  553.327420] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  553.360439]  <IRQ>
[  553.363022] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  553.390529]  dump_stack+0x244/0x39d
[  553.392655] lowmem_reserve[]: 0 2818 6321 6321
[  553.418856]  ? dump_stack_print_info.cold.1+0x20/0x20
[  553.422456] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  553.427058]  warn_alloc.cold.116+0xb7/0x1bd
[  553.432214] lowmem_reserve[]: 0 0 3503 3503
[  553.459925]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  553.464232] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  553.468556]  ? lock_downgrade+0x900/0x900
[  553.473373] lowmem_reserve[]: 0 0 0 0
[  553.502306]  ? trace_hardirqs_off+0xb8/0x310
[  553.506425] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  553.510225]  ? trace_hardirqs_off+0xb8/0x310
[  553.514607] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  553.528131]  __alloc_pages_slowpath+0x2651/0x2de0
[  553.532518] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  553.547623]  ? warn_alloc+0x120/0x120
[  553.552426] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  553.566983]  ? print_usage_bug+0xc0/0xc0
[  553.570766] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  553.579591]  ? warn_alloc+0x120/0x120
[  553.583630] 274 total pagecache pages
[  553.592214]  ? warn_alloc+0x120/0x120
[  553.595995] 0 pages in swap cache
[  553.599802]  ? print_usage_bug+0xc0/0xc0
[  553.603583] Swap cache stats: add 0, delete 0, find 0/0
[  553.607028]  ? kvm_clock_read+0x18/0x30
[  553.611065] Free swap  = 0kB
[  553.616421]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  553.620371] Total swap = 0kB
[  553.623381]  ? print_usage_bug+0xc0/0xc0
[  553.628373] 1965979 pages RAM
[  553.631414]  ? __lock_acquire+0x62f/0x4c20
[  553.635456] 0 pages HighMem/MovableOnly
[  553.638568]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  553.642791] 342854 pages reserved
[  553.646766]  ? should_fail+0x22d/0xd01
[  553.652284] 0 pages cma reserved
[  553.655737]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  553.659677] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  553.662961]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  553.668308] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  553.674702]  ? __lock_acquire+0x62f/0x4c20
[  553.679801] syz-fuzzer cpuset=/ mems_allowed=0
[  553.690050]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  553.703950]  ? __lock_acquire+0x62f/0x4c20
[  553.708184]  ? should_fail+0x22d/0xd01
[  553.712089]  ? rcu_irq_exit+0x1a2/0x390
[  553.716074]  ? mark_held_locks+0x130/0x130
[  553.720329]  ? mark_held_locks+0x130/0x130
[  553.724570]  ? perf_trace_lock+0x14d/0x7a0
[  553.728816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  553.734356]  ? check_preemption_disabled+0x48/0x280
[  553.739390]  ? zap_class+0x640/0x640
[  553.743127]  ? debug_smp_processor_id+0x1c/0x20
[  553.747796]  ? perf_trace_lock+0x14d/0x7a0
[  553.752038]  ? check_preemption_disabled+0x48/0x280
[  553.757065]  ? lock_is_held_type+0x210/0x210
[  553.761481]  ? __lock_is_held+0xb5/0x140
[  553.765563]  __alloc_pages_nodemask+0xad8/0xea0
[  553.770247]  ? zap_class+0x640/0x640
[  553.773997]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  553.779038]  ? find_held_lock+0x36/0x1c0
[  553.783110]  ? ____cache_alloc_node+0x1c7/0x1e0
[  553.787813]  ? lock_downgrade+0x900/0x900
[  553.791974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  553.797528]  cache_grow_begin+0xa5/0x8c0
[  553.801592]  ? do_raw_spin_unlock+0xa7/0x330
[  553.806029]  fallback_alloc+0x204/0x2e0
[  553.810032]  ____cache_alloc_node+0x1c7/0x1e0
[  553.814562]  kmem_cache_alloc_node+0xe3/0x730
[  553.819075]  ? ipv6_get_ifaddr+0x42e/0x620
[  553.823342]  __alloc_skb+0x119/0x770
[  553.827061]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  553.832359]  ? netdev_alloc_frag+0x1f0/0x1f0
[  553.836770]  ? lock_downgrade+0x900/0x900
[  553.840933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  553.846470]  ? refcount_sub_and_test_checked+0x203/0x310
[  553.851950]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  553.857404]  ? addrconf_rs_timer+0x690/0x690
[  553.861851]  ndisc_alloc_skb+0x144/0x340
[  553.865939]  ndisc_send_rs+0x331/0x6e0
[  553.869839]  addrconf_rs_timer+0x314/0x690
[  553.874082]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  553.878331]  call_timer_fn+0x272/0x920
[  553.882223]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  553.886460]  ? process_timeout+0x40/0x40
[  553.890554]  ? __run_timers+0x7da/0xc70
[  553.894555]  ? _raw_spin_unlock_irq+0x27/0x80
[  553.899055]  ? _raw_spin_unlock_irq+0x27/0x80
[  553.903569]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  553.907817]  ? lockdep_hardirqs_on+0x296/0x5b0
[  553.912419]  ? trace_hardirqs_on+0xbd/0x310
[  553.916746]  ? kasan_check_read+0x11/0x20
[  553.920914]  ? __run_timers+0x7da/0xc70
[  553.924916]  ? trace_hardirqs_off_caller+0x310/0x310
[  553.930034]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  553.934277]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  553.938520]  __run_timers+0x7e5/0xc70
[  553.942341]  ? timer_fixup_init+0x70/0x70
[  553.946497]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  553.951538]  ? zap_class+0x640/0x640
[  553.955262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  553.960810]  ? check_preemption_disabled+0x48/0x280
[  553.965836]  ? debug_smp_processor_id+0x1c/0x20
[  553.970514]  ? perf_trace_lock+0x14d/0x7a0
[  553.974761]  ? find_held_lock+0x36/0x1c0
[  553.978840]  ? zap_class+0x640/0x640
[  553.982563]  ? pvclock_read_flags+0x160/0x160
[  553.987068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  553.992609]  ? check_preemption_disabled+0x48/0x280
[  553.997663]  ? __lock_is_held+0xb5/0x140
[  554.001728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.007284]  ? check_preemption_disabled+0x48/0x280
[  554.012322]  run_timer_softirq+0x52/0xb0
[  554.016388]  ? rcu_read_lock_sched_held+0x14f/0x180
[  554.021411]  __do_softirq+0x308/0xb7e
[  554.025226]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  554.029725]  ? lock_downgrade+0x900/0x900
[  554.033881]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  554.039031]  ? pvclock_read_flags+0x160/0x160
[  554.043564]  ? lapic_next_event+0x5a/0x90
[  554.047722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.053270]  ? kvm_clock_read+0x18/0x30
[  554.057245]  ? kvm_sched_clock_read+0x9/0x20
[  554.061664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.067207]  ? check_preemption_disabled+0x48/0x280
[  554.072241]  irq_exit+0x17f/0x1c0
[  554.075697]  smp_apic_timer_interrupt+0x1cb/0x760
[  554.080590]  ? smp_reschedule_interrupt+0x109/0x650
[  554.085674]  ? smp_call_function_single_interrupt+0x650/0x650
[  554.091567]  ? interrupt_entry+0xb5/0xc0
[  554.095645]  ? trace_hardirqs_off_caller+0xbb/0x310
[  554.100664]  ? trace_hardirqs_off_caller+0xbb/0x310
[  554.105686]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  554.110538]  ? trace_hardirqs_on_caller+0x310/0x310
[  554.115578]  ? trace_hardirqs_on_caller+0x310/0x310
[  554.120609]  ? task_prio+0x50/0x50
[  554.124162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.129703]  ? check_preemption_disabled+0x48/0x280
[  554.134731]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  554.139585]  apic_timer_interrupt+0xf/0x20
[  554.143823]  </IRQ>
[  554.146065] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  554.151007] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  554.169913] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  554.177628] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  554.184900] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  554.192179] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  554.199445] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  554.206727] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  554.214042]  skb_clone+0x1bb/0x500
[  554.217598]  ? skb_split+0x11e0/0x11e0
[  554.221491]  ? debug_smp_processor_id+0x1c/0x20
[  554.226213]  ? perf_trace_lock+0x14d/0x7a0
[  554.230448]  ? __switch_to_asm+0x34/0x70
[  554.234518]  ? __switch_to_asm+0x40/0x70
[  554.238597]  ? __switch_to_asm+0x40/0x70
[  554.242660]  ? __switch_to_asm+0x34/0x70
[  554.246739]  bpf_clone_redirect+0xb9/0x490
[  554.251032]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  554.255983]  ? __sched_text_start+0x8/0x8
[  554.260172]  ? find_held_lock+0x36/0x1c0
[  554.264260]  ? lock_acquire+0x1ed/0x520
[  554.268249]  ? bpf_test_run+0x3cb/0x780
[  554.272228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.277782]  ? check_preemption_disabled+0x48/0x280
[  554.282822]  ? kasan_check_read+0x11/0x20
[  554.286979]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  554.292261]  ? rcu_softirq_qs+0x20/0x20
[  554.296241]  ? preempt_schedule+0x4d/0x60
[  554.300397]  ? ___preempt_schedule+0x16/0x18
[  554.304835]  ? bpf_test_run+0x25d/0x780
[  554.308829]  ? netlink_diag_dump+0x2a0/0x2a0
[  554.313258]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  554.318807]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  554.323579]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  554.328429]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  554.333991]  ? fput+0x130/0x1a0
[  554.337313]  ? __bpf_prog_get+0x9b/0x290
[  554.341414]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  554.346283]  ? bpf_prog_test_run+0x130/0x1a0
[  554.350701]  ? __x64_sys_bpf+0x3d8/0x520
[  554.354767]  ? bpf_prog_get+0x20/0x20
[  554.358599]  ? do_syscall_64+0x1b9/0x820
[  554.362694]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  554.368062]  ? syscall_return_slowpath+0x5e0/0x5e0
[  554.372992]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  554.377843]  ? trace_hardirqs_on_caller+0x310/0x310
[  554.382865]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  554.387886]  ? prepare_exit_to_usermode+0x291/0x3b0
[  554.392913]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  554.397772]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  554.403166] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  554.403245] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  554.410185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  554.410191] Call Trace:
[  554.410199]  <IRQ>
[  554.410233]  dump_stack+0x244/0x39d
[  554.410268]  ? dump_stack_print_info.cold.1+0x20/0x20
[  554.416832] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  554.426104]  warn_alloc.cold.116+0xb7/0x1bd
[  554.428661] syz-executor4 cpuset=syz4 mems_allowed=0
[  554.430805]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  554.464280]  ? lock_downgrade+0x900/0x900
[  554.468440]  ? trace_hardirqs_off+0xb8/0x310
[  554.472876]  ? trace_hardirqs_off+0xb8/0x310
[  554.477298]  __alloc_pages_slowpath+0x2651/0x2de0
[  554.482184]  ? warn_alloc+0x120/0x120
[  554.485987]  ? print_usage_bug+0xc0/0xc0
[  554.490051]  ? warn_alloc+0x120/0x120
[  554.493859]  ? warn_alloc+0x120/0x120
[  554.497697]  ? print_usage_bug+0xc0/0xc0
[  554.501761]  ? kvm_clock_read+0x18/0x30
[  554.505742]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  554.510760]  ? print_usage_bug+0xc0/0xc0
[  554.514830]  ? __lock_acquire+0x62f/0x4c20
[  554.519087]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  554.524632]  ? should_fail+0x22d/0xd01
[  554.528533]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  554.533847]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  554.538953]  ? __lock_acquire+0x62f/0x4c20
[  554.543271]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  554.548377]  ? __lock_acquire+0x62f/0x4c20
[  554.552611]  ? should_fail+0x22d/0xd01
[  554.556498]  ? rcu_irq_exit+0x1a2/0x390
[  554.560508]  ? mark_held_locks+0x130/0x130
[  554.564757]  ? mark_held_locks+0x130/0x130
[  554.569009]  ? perf_trace_lock+0x14d/0x7a0
[  554.573268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.578824]  ? check_preemption_disabled+0x48/0x280
[  554.583849]  ? zap_class+0x640/0x640
[  554.587571]  ? debug_smp_processor_id+0x1c/0x20
[  554.592239]  ? perf_trace_lock+0x14d/0x7a0
[  554.596476]  ? check_preemption_disabled+0x48/0x280
[  554.601528]  ? lock_is_held_type+0x210/0x210
[  554.605939]  ? __lock_is_held+0xb5/0x140
[  554.610004]  __alloc_pages_nodemask+0xad8/0xea0
[  554.614708]  ? zap_class+0x640/0x640
[  554.618426]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  554.623457]  ? find_held_lock+0x36/0x1c0
[  554.627544]  ? ____cache_alloc_node+0x1c7/0x1e0
[  554.632218]  ? lock_downgrade+0x900/0x900
[  554.636374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.641932]  cache_grow_begin+0xa5/0x8c0
[  554.645992]  ? do_raw_spin_unlock+0xa7/0x330
[  554.650418]  fallback_alloc+0x204/0x2e0
[  554.654399]  ____cache_alloc_node+0x1c7/0x1e0
[  554.658912]  kmem_cache_alloc_node+0xe3/0x730
[  554.663411]  ? ipv6_get_ifaddr+0x42e/0x620
[  554.667693]  __alloc_skb+0x119/0x770
[  554.671408]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  554.676696]  ? netdev_alloc_frag+0x1f0/0x1f0
[  554.681108]  ? lock_downgrade+0x900/0x900
[  554.685283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.690821]  ? refcount_sub_and_test_checked+0x203/0x310
[  554.696274]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  554.701733]  ? addrconf_rs_timer+0x690/0x690
[  554.706156]  ndisc_alloc_skb+0x144/0x340
[  554.710219]  ndisc_send_rs+0x331/0x6e0
[  554.714110]  addrconf_rs_timer+0x314/0x690
[  554.718363]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  554.722644]  call_timer_fn+0x272/0x920
[  554.726538]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  554.730773]  ? process_timeout+0x40/0x40
[  554.734849]  ? mark_held_locks+0xc7/0x130
[  554.739020]  ? _raw_spin_unlock_irq+0x27/0x80
[  554.743529]  ? _raw_spin_unlock_irq+0x27/0x80
[  554.748027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  554.752278]  ? lockdep_hardirqs_on+0x296/0x5b0
[  554.756863]  ? trace_hardirqs_on+0xbd/0x310
[  554.761214]  ? kasan_check_read+0x11/0x20
[  554.765361]  ? __run_timers+0x7da/0xc70
[  554.769343]  ? trace_hardirqs_off_caller+0x310/0x310
[  554.774483]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  554.778738]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  554.782979]  __run_timers+0x7e5/0xc70
[  554.786808]  ? timer_fixup_init+0x70/0x70
[  554.790990]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  554.796031]  ? zap_class+0x640/0x640
[  554.799748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.805309]  ? print_usage_bug+0xc0/0xc0
[  554.809377]  ? debug_smp_processor_id+0x1c/0x20
[  554.814045]  ? perf_trace_lock+0x14d/0x7a0
[  554.818287]  ? find_held_lock+0x36/0x1c0
[  554.822357]  ? zap_class+0x640/0x640
[  554.826074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.831610]  ? check_preemption_disabled+0x48/0x280
[  554.836672]  ? __lock_is_held+0xb5/0x140
[  554.840742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.846281]  ? check_preemption_disabled+0x48/0x280
[  554.851311]  run_timer_softirq+0x52/0xb0
[  554.855399]  ? rcu_read_lock_sched_held+0x14f/0x180
[  554.860464]  __do_softirq+0x308/0xb7e
[  554.864268]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  554.868778]  ? lock_downgrade+0x900/0x900
[  554.872964]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  554.878082]  ? pvclock_read_flags+0x160/0x160
[  554.882581]  ? lapic_next_event+0x5a/0x90
[  554.886736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.892290]  ? kvm_clock_read+0x18/0x30
[  554.896312]  ? kvm_sched_clock_read+0x9/0x20
[  554.900725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  554.906270]  ? check_preemption_disabled+0x48/0x280
[  554.911298]  irq_exit+0x17f/0x1c0
[  554.914765]  smp_apic_timer_interrupt+0x1cb/0x760
[  554.919617]  ? smp_reschedule_interrupt+0x109/0x650
[  554.924641]  ? smp_call_function_single_interrupt+0x650/0x650
[  554.930553]  ? interrupt_entry+0xb5/0xc0
[  554.934634]  ? trace_hardirqs_off_caller+0xbb/0x310
[  554.939658]  ? trace_hardirqs_off_caller+0xbb/0x310
[  554.944676]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  554.949533]  ? trace_hardirqs_on_caller+0x310/0x310
[  554.954553]  ? trace_hardirqs_on_caller+0x310/0x310
[  554.959581]  ? task_prio+0x50/0x50
[  554.963129]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  554.968673]  ? check_preemption_disabled+0x48/0x280
[  554.973697]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  554.978560]  apic_timer_interrupt+0xf/0x20
[  554.982793]  </IRQ>
[  554.985049] RIP: 0010:console_unlock+0x102f/0x1190
[  554.989985] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  555.008887] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  555.017125] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  555.024394] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  555.031661] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  555.038930] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  555.046203] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  555.053528]  ? netconsole_netdev_event+0x280/0x280
[  555.058471]  ? console_unlock+0x1026/0x1190
[  555.062833]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  555.067515]  ? vprintk_emit+0x846/0x990
[  555.071497]  ? lock_release+0xa00/0xa00
[  555.075496]  ? trace_hardirqs_on+0x30/0x310
[  555.079848]  ? vprintk_default+0x28/0x30
[  555.083914]  ? trace_hardirqs_off_caller+0x310/0x310
[  555.089053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  555.094600]  vprintk_emit+0x391/0x990
[  555.098425]  ? wake_up_klogd+0x180/0x180
[  555.102490]  ? find_held_lock+0x31/0x1c0
[  555.106579]  ? mark_held_locks+0xc7/0x130
[  555.110731]  ? _raw_spin_unlock_irq+0x27/0x80
[  555.115228]  ? _raw_spin_unlock_irq+0x27/0x80
[  555.119745]  vprintk_default+0x28/0x30
[  555.123657]  vprintk_func+0x7e/0x181
[  555.127372]  printk+0xa7/0xcf
[  555.130478]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  555.135250]  ? _raw_spin_unlock_irq+0x60/0x80
[  555.139760]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  555.145236]  dump_header+0x7cc/0xf72
[  555.148961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  555.154532]  ? check_preemption_disabled+0x48/0x280
[  555.159588]  ? pagefault_out_of_memory+0x197/0x197
[  555.164529]  ? debug_smp_processor_id+0x1c/0x20
[  555.169197]  ? perf_trace_lock+0x14d/0x7a0
[  555.173439]  ? mark_held_locks+0x130/0x130
[  555.177679]  ? lock_is_held_type+0x210/0x210
[  555.182098]  ? debug_smp_processor_id+0x1c/0x20
[  555.186771]  ? zap_class+0x640/0x640
[  555.190491]  ? lock_is_held_type+0x210/0x210
[  555.194911]  ? perf_trace_lock+0x14d/0x7a0
[  555.199167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  555.204712]  ? find_held_lock+0x36/0x1c0
[  555.208784]  ? mark_held_locks+0xc7/0x130
[  555.212936]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  555.218044]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  555.223165]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  555.227747]  ? trace_hardirqs_on+0xbd/0x310
[  555.232068]  ? kasan_check_read+0x11/0x20
[  555.236231]  ? ___ratelimit+0x3b4/0x672
[  555.240210]  ? trace_hardirqs_off_caller+0x310/0x310
[  555.245316]  ? trace_hardirqs_on+0x310/0x310
[  555.249732]  ? lock_downgrade+0x900/0x900
[  555.253905]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  555.259012]  ? ___ratelimit+0x3b9/0x672
[  555.262992]  ? idr_get_free+0xf70/0xf70
[  555.266981]  ? lock_is_held_type+0x210/0x210
[  555.271415]  oom_kill_process.cold.27+0x10/0x903
[  555.276191]  ? zap_class+0x640/0x640
[  555.279913]  ? _raw_spin_unlock+0x2c/0x50
[  555.284066]  ? oom_badness+0xe6/0xaa0
[  555.287879]  ? oom_evaluate_task+0x540/0x540
[  555.292302]  ? find_held_lock+0x36/0x1c0
[  555.296377]  ? out_of_memory+0x974/0x1430
[  555.300540]  ? lock_downgrade+0x900/0x900
[  555.304709]  ? check_preemption_disabled+0x48/0x280
[  555.309735]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  555.314767]  ? kasan_check_read+0x11/0x20
[  555.318924]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  555.324207]  ? rcu_softirq_qs+0x20/0x20
[  555.328317]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  555.333333]  ? oom_evaluate_task+0x302/0x540
[  555.337751]  out_of_memory+0xa84/0x1430
[  555.341753]  ? oom_killer_disable+0x3a0/0x3a0
[  555.346253]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  555.351189]  ? __ww_mutex_check_waiters+0x160/0x160
[  555.356223]  __alloc_pages_slowpath+0x232c/0x2de0
[  555.361115]  ? warn_alloc+0x120/0x120
[  555.364920]  ? mark_held_locks+0x130/0x130
[  555.369160]  ? find_get_entry+0xaae/0x1120
[  555.373402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  555.378940]  ? check_preemption_disabled+0x48/0x280
[  555.383955]  ? filemap_map_pages+0x1a20/0x1a20
[  555.388546]  ? debug_smp_processor_id+0x1c/0x20
[  555.393217]  ? perf_trace_lock+0x14d/0x7a0
[  555.397469]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  555.403017]  ? should_fail+0x22d/0xd01
[  555.406913]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  555.412037]  ? zap_class+0x640/0x640
[  555.415782]  ? __lock_is_held+0xb5/0x140
[  555.419856]  ? mark_held_locks+0x130/0x130
[  555.424098]  ? lock_release+0xa00/0xa00
[  555.428091]  ? perf_trace_sched_process_exec+0x860/0x860
[  555.433592]  ? xa_load+0x2ba/0x460
[  555.437138]  ? lock_downgrade+0x900/0x900
[  555.441292]  ? __might_sleep+0x95/0x190
[  555.445271]  __alloc_pages_nodemask+0xad8/0xea0
[  555.449950]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  555.454968]  ? __page_cache_alloc+0x191/0x5c0
[  555.459484]  ? xa_load+0x2e1/0x460
[  555.463040]  ? xa_clear_mark+0x40/0x40
[  555.466930]  ? zap_class+0x640/0x640
[  555.470653]  ? zap_class+0x640/0x640
[  555.474367]  ? zap_class+0x640/0x640
[  555.478118]  ? __do_page_cache_readahead+0x663/0x810
[  555.483229]  ? find_held_lock+0x36/0x1c0
[  555.487302]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  555.492850]  alloc_pages_current+0x173/0x350
[  555.497268]  __page_cache_alloc+0x38c/0x5c0
[  555.501596]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  555.506548]  ? kasan_check_read+0x11/0x20
[  555.510701]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  555.515984]  ? generic_perform_write+0x6a0/0x6a0
[  555.520752]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  555.526296]  ? check_preemption_disabled+0x48/0x280
[  555.531335]  filemap_fault+0x1595/0x25f0
[  555.535414]  ? __lock_page_or_retry+0xa00/0xa00
[  555.540087]  ? mark_held_locks+0x130/0x130
[  555.544355]  ? filemap_map_pages+0xd6b/0x1a20
[  555.548856]  ? lock_downgrade+0x900/0x900
[  555.553012]  ? check_preemption_disabled+0x48/0x280
[  555.558031]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  555.562961]  ? kasan_check_read+0x11/0x20
[  555.567139]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  555.572423]  ? rcu_softirq_qs+0x20/0x20
[  555.576416]  ? filemap_map_pages+0xd92/0x1a20
[  555.580925]  ? find_get_entries_tag+0x1400/0x1400
[  555.585801]  ? debug_object_destroy+0x2b0/0x2b0
[  555.590492]  ? lock_pi_update_atomic+0x150/0x150
[  555.595262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  555.600819]  ? lock_acquire+0x1ed/0x520
[  555.604796]  ? ext4_filemap_fault+0x7a/0xad
[  555.609129]  ? lock_release+0xa00/0xa00
[  555.613106]  ? perf_trace_sched_process_exec+0x860/0x860
[  555.618584]  ? print_usage_bug+0xc0/0xc0
[  555.622650]  ? print_usage_bug+0xc0/0xc0
[  555.626731]  ? down_read+0x8d/0x120
[  555.630357]  ? ext4_filemap_fault+0x7a/0xad
[  555.634686]  ? __down_interruptible+0x700/0x700
[  555.639383]  ext4_filemap_fault+0x82/0xad
[  555.643543]  __do_fault+0x100/0x6b0
[  555.647208]  ? pmd_devmap_trans_unstable+0x220/0x220
[  555.652333]  ? mark_held_locks+0x130/0x130
[  555.656602]  ? mark_held_locks+0x130/0x130
[  555.660861]  ? debug_smp_processor_id+0x1c/0x20
[  555.665539]  ? perf_trace_lock+0x14d/0x7a0
[  555.669781]  ? lock_downgrade+0x900/0x900
[  555.673961]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  555.679521]  __handle_mm_fault+0x3ea0/0x5be0
[  555.683979]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  555.688842]  ? lock_is_held_type+0x210/0x210
[  555.693259]  ? file_remove_privs+0x540/0x540
[  555.697666]  ? file_remove_privs+0x540/0x540
[  555.702093]  ? zap_class+0x640/0x640
[  555.706761]  ? zap_class+0x640/0x640
[  555.710479]  ? __x64_sys_futex+0x53e/0x6a0
[  555.714732]  ? find_held_lock+0x36/0x1c0
[  555.718807]  ? handle_mm_fault+0x42a/0xc70
[  555.723051]  ? lock_downgrade+0x900/0x900
[  555.727202]  ? check_preemption_disabled+0x48/0x280
[  555.732228]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  555.737158]  ? kasan_check_read+0x11/0x20
[  555.741310]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  555.746608]  ? rcu_softirq_qs+0x20/0x20
[  555.750599]  ? trace_hardirqs_off_caller+0x310/0x310
[  555.755722]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  555.761269]  ? check_preemption_disabled+0x48/0x280
[  555.766297]  handle_mm_fault+0x54f/0xc70
[  555.770363]  ? __handle_mm_fault+0x5be0/0x5be0
[  555.774968]  ? find_vma+0x34/0x190
[  555.778532]  __do_page_fault+0x5e8/0xe60
[  555.782597]  ? trace_hardirqs_off+0xb8/0x310
[  555.787016]  do_page_fault+0xf2/0x7e0
[  555.790823]  ? vmalloc_sync_all+0x30/0x30
[  555.794978]  ? error_entry+0x70/0xd0
[  555.798713]  ? trace_hardirqs_off_caller+0xbb/0x310
[  555.803730]  ? trace_hardirqs_on_caller+0xc0/0x310
[  555.808677]  ? syscall_return_slowpath+0x5e0/0x5e0
[  555.813609]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  555.818451]  ? trace_hardirqs_on_caller+0x310/0x310
[  555.823467]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  555.828931]  ? prepare_exit_to_usermode+0x291/0x3b0
[  555.833976]  ? page_fault+0x8/0x30
[  555.837565]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  555.842437]  ? page_fault+0x8/0x30
[  555.845998]  page_fault+0x1e/0x30
[  555.849454] RIP: 0033:0x45ddf3
[  555.852662] Code: Bad RIP value.
[  555.856044] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  555.861436] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  555.868705] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  555.875975] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  555.883248] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  555.890526] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  555.897827] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  555.897833] warn_alloc_show_mem: 1 callbacks suppressed
[  555.897841] Mem-Info:
[  555.905300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  555.910690] active_anon:147110 inactive_anon:190 isolated_anon:0
[  555.910690]  active_file:13 inactive_file:13 isolated_file:2
[  555.910690]  unevictable:1 dirty:0 writeback:0 unstable:0
[  555.910690]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  555.910690]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  555.910690]  free:13705 free_pcp:247 free_cma:0
[  555.913064] Call Trace:
[  555.922486] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  555.955511]  <IRQ>
[  555.958103] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  555.985625]  dump_stack+0x244/0x39d
[  555.987744] lowmem_reserve[]: 0 2818 6321 6321
[  556.013855]  ? dump_stack_print_info.cold.1+0x20/0x20
[  556.017458] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  556.022066]  warn_alloc.cold.116+0xb7/0x1bd
[  556.027234] lowmem_reserve[]: 0 0 3503 3503
[  556.054900]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  556.059196] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  556.063520]  ? lock_downgrade+0x900/0x900
[  556.068340] lowmem_reserve[]: 0 0 0 0
[  556.097235]  ? trace_hardirqs_off+0xb8/0x310
[  556.101368] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  556.105198]  ? trace_hardirqs_off+0xb8/0x310
[  556.109582] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  556.123109]  __alloc_pages_slowpath+0x2651/0x2de0
[  556.127491] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  556.142883]  ? warn_alloc+0x120/0x120
[  556.147685] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  556.162238]  ? print_usage_bug+0xc0/0xc0
[  556.166024] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  556.174861]  ? warn_alloc+0x120/0x120
[  556.178900] 274 total pagecache pages
[  556.187470]  ? warn_alloc+0x120/0x120
[  556.191256] 0 pages in swap cache
[  556.195045]  ? print_usage_bug+0xc0/0xc0
[  556.198827] Swap cache stats: add 0, delete 0, find 0/0
[  556.202271]  ? kvm_clock_read+0x18/0x30
[  556.206309] Free swap  = 0kB
[  556.211667]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  556.215616] Total swap = 0kB
[  556.218640]  ? print_usage_bug+0xc0/0xc0
[  556.223633] 1965979 pages RAM
[  556.226648]  ? __lock_acquire+0x62f/0x4c20
[  556.230688] 0 pages HighMem/MovableOnly
[  556.233806]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  556.238033] 342854 pages reserved
[  556.242003]  ? should_fail+0x22d/0xd01
[  556.247525] 0 pages cma reserved
[  556.250972]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  556.254906] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  556.258200]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  556.258216]  ? __lock_acquire+0x62f/0x4c20
[  556.258235]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  556.263562] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  556.269997]  ? __lock_acquire+0x62f/0x4c20
[  556.275075] syz-fuzzer cpuset=/ mems_allowed=0
[  556.279324]  ? should_fail+0x22d/0xd01
[  556.307285]  ? rcu_irq_exit+0x1a2/0x390
[  556.311270]  ? mark_held_locks+0x130/0x130
[  556.315517]  ? mark_held_locks+0x130/0x130
[  556.319774]  ? perf_trace_lock+0x14d/0x7a0
[  556.324032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.329582]  ? check_preemption_disabled+0x48/0x280
[  556.334600]  ? zap_class+0x640/0x640
[  556.338337]  ? debug_smp_processor_id+0x1c/0x20
[  556.343021]  ? perf_trace_lock+0x14d/0x7a0
[  556.347273]  ? check_preemption_disabled+0x48/0x280
[  556.352329]  ? lock_is_held_type+0x210/0x210
[  556.356741]  ? __lock_is_held+0xb5/0x140
[  556.360812]  __alloc_pages_nodemask+0xad8/0xea0
[  556.365487]  ? zap_class+0x640/0x640
[  556.369218]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  556.374247]  ? find_held_lock+0x36/0x1c0
[  556.378326]  ? ____cache_alloc_node+0x1c7/0x1e0
[  556.383000]  ? lock_downgrade+0x900/0x900
[  556.387162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.392708]  cache_grow_begin+0xa5/0x8c0
[  556.396771]  ? do_raw_spin_unlock+0xa7/0x330
[  556.401193]  fallback_alloc+0x204/0x2e0
[  556.405177]  ____cache_alloc_node+0x1c7/0x1e0
[  556.409682]  kmem_cache_alloc_node+0xe3/0x730
[  556.414193]  ? ipv6_get_ifaddr+0x42e/0x620
[  556.418447]  __alloc_skb+0x119/0x770
[  556.422174]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  556.427490]  ? netdev_alloc_frag+0x1f0/0x1f0
[  556.431922]  ? lock_downgrade+0x900/0x900
[  556.436085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.441625]  ? refcount_sub_and_test_checked+0x203/0x310
[  556.447097]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  556.452548]  ? addrconf_rs_timer+0x690/0x690
[  556.456999]  ndisc_alloc_skb+0x144/0x340
[  556.461077]  ndisc_send_rs+0x331/0x6e0
[  556.464987]  addrconf_rs_timer+0x314/0x690
[  556.469231]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  556.473477]  call_timer_fn+0x272/0x920
[  556.477387]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  556.481627]  ? process_timeout+0x40/0x40
[  556.485703]  ? __run_timers+0x7da/0xc70
[  556.489682]  ? _raw_spin_unlock_irq+0x27/0x80
[  556.494177]  ? _raw_spin_unlock_irq+0x27/0x80
[  556.498674]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  556.502912]  ? lockdep_hardirqs_on+0x296/0x5b0
[  556.507508]  ? trace_hardirqs_on+0xbd/0x310
[  556.511829]  ? kasan_check_read+0x11/0x20
[  556.516028]  ? __run_timers+0x7da/0xc70
[  556.520006]  ? trace_hardirqs_off_caller+0x310/0x310
[  556.525168]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  556.529425]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  556.533660]  __run_timers+0x7e5/0xc70
[  556.537472]  ? timer_fixup_init+0x70/0x70
[  556.541649]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  556.546668]  ? zap_class+0x640/0x640
[  556.550454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.555998]  ? check_preemption_disabled+0x48/0x280
[  556.561037]  ? debug_smp_processor_id+0x1c/0x20
[  556.565706]  ? perf_trace_lock+0x14d/0x7a0
[  556.569953]  ? find_held_lock+0x36/0x1c0
[  556.574054]  ? zap_class+0x640/0x640
[  556.577775]  ? pvclock_read_flags+0x160/0x160
[  556.582280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.587822]  ? check_preemption_disabled+0x48/0x280
[  556.592852]  ? __lock_is_held+0xb5/0x140
[  556.596918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.602461]  ? check_preemption_disabled+0x48/0x280
[  556.607487]  run_timer_softirq+0x52/0xb0
[  556.611564]  ? rcu_read_lock_sched_held+0x14f/0x180
[  556.616587]  __do_softirq+0x308/0xb7e
[  556.620395]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  556.624912]  ? lock_downgrade+0x900/0x900
[  556.629084]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  556.634214]  ? pvclock_read_flags+0x160/0x160
[  556.638716]  ? lapic_next_event+0x5a/0x90
[  556.642870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.648418]  ? kvm_clock_read+0x18/0x30
[  556.652397]  ? kvm_sched_clock_read+0x9/0x20
[  556.656818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.662364]  ? check_preemption_disabled+0x48/0x280
[  556.667396]  irq_exit+0x17f/0x1c0
[  556.670866]  smp_apic_timer_interrupt+0x1cb/0x760
[  556.675714]  ? smp_reschedule_interrupt+0x109/0x650
[  556.680737]  ? smp_call_function_single_interrupt+0x650/0x650
[  556.686623]  ? interrupt_entry+0xb5/0xc0
[  556.690693]  ? trace_hardirqs_off_caller+0xbb/0x310
[  556.695712]  ? trace_hardirqs_off_caller+0xbb/0x310
[  556.700731]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  556.705578]  ? trace_hardirqs_on_caller+0x310/0x310
[  556.710595]  ? trace_hardirqs_on_caller+0x310/0x310
[  556.715614]  ? task_prio+0x50/0x50
[  556.719158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.724715]  ? check_preemption_disabled+0x48/0x280
[  556.729745]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  556.734614]  apic_timer_interrupt+0xf/0x20
[  556.738846]  </IRQ>
[  556.741091] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  556.746026] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  556.765020] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  556.772731] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  556.779999] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  556.787287] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  556.794553] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  556.801823] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  556.809157]  skb_clone+0x1bb/0x500
[  556.812705]  ? skb_split+0x11e0/0x11e0
[  556.816604]  ? debug_smp_processor_id+0x1c/0x20
[  556.821291]  ? perf_trace_lock+0x14d/0x7a0
[  556.825527]  ? __switch_to_asm+0x34/0x70
[  556.829588]  ? __switch_to_asm+0x40/0x70
[  556.833655]  ? __switch_to_asm+0x40/0x70
[  556.837719]  ? __switch_to_asm+0x34/0x70
[  556.841792]  bpf_clone_redirect+0xb9/0x490
[  556.846042]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  556.850978]  ? __sched_text_start+0x8/0x8
[  556.855150]  ? find_held_lock+0x36/0x1c0
[  556.859241]  ? lock_acquire+0x1ed/0x520
[  556.863226]  ? bpf_test_run+0x3cb/0x780
[  556.867203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  556.872744]  ? check_preemption_disabled+0x48/0x280
[  556.877768]  ? kasan_check_read+0x11/0x20
[  556.881918]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  556.887200]  ? rcu_softirq_qs+0x20/0x20
[  556.891178]  ? preempt_schedule+0x4d/0x60
[  556.895330]  ? ___preempt_schedule+0x16/0x18
[  556.899754]  ? bpf_test_run+0x25d/0x780
[  556.903745]  ? netlink_diag_dump+0x2a0/0x2a0
[  556.908204]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  556.913752]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  556.918535]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  556.923380]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  556.928925]  ? fput+0x130/0x1a0
[  556.932213]  ? __bpf_prog_get+0x9b/0x290
[  556.936296]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  556.941150]  ? bpf_prog_test_run+0x130/0x1a0
[  556.945568]  ? __x64_sys_bpf+0x3d8/0x520
[  556.949643]  ? bpf_prog_get+0x20/0x20
[  556.953468]  ? do_syscall_64+0x1b9/0x820
[  556.957815]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  556.963182]  ? syscall_return_slowpath+0x5e0/0x5e0
[  556.968130]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  556.973007]  ? trace_hardirqs_on_caller+0x310/0x310
[  556.978035]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  556.983187]  ? prepare_exit_to_usermode+0x291/0x3b0
[  556.988239]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  556.993098]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  556.998484] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  556.998568] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  557.005537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  557.005552] Call Trace:
[  557.012270] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  557.021536]  <IRQ>
[  557.024110] syz-executor4 cpuset=syz4 mems_allowed=0
[  557.034595]  dump_stack+0x244/0x39d
[  557.045438]  ? dump_stack_print_info.cold.1+0x20/0x20
[  557.050650]  warn_alloc.cold.116+0xb7/0x1bd
[  557.054990]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  557.059838]  ? lock_downgrade+0x900/0x900
[  557.063998]  ? trace_hardirqs_off+0xb8/0x310
[  557.068420]  ? trace_hardirqs_off+0xb8/0x310
[  557.072839]  __alloc_pages_slowpath+0x2651/0x2de0
[  557.077716]  ? warn_alloc+0x120/0x120
[  557.081583]  ? print_usage_bug+0xc0/0xc0
[  557.085653]  ? warn_alloc+0x120/0x120
[  557.089459]  ? debug_smp_processor_id+0x1c/0x20
[  557.094130]  ? warn_alloc+0x120/0x120
[  557.097934]  ? print_usage_bug+0xc0/0xc0
[  557.102032]  ? print_usage_bug+0xc0/0xc0
[  557.106094]  ? __lock_acquire+0x62f/0x4c20
[  557.110352]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  557.115893]  ? should_fail+0x22d/0xd01
[  557.119792]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  557.124902]  ? __lock_acquire+0x62f/0x4c20
[  557.129142]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  557.134259]  ? __lock_acquire+0x62f/0x4c20
[  557.138523]  ? should_fail+0x22d/0xd01
[  557.142548]  ? find_held_lock+0x36/0x1c0
[  557.146622]  ? mark_held_locks+0x130/0x130
[  557.150866]  ? mark_held_locks+0x130/0x130
[  557.155101]  ? perf_trace_lock+0x14d/0x7a0
[  557.159340]  ? zap_class+0x640/0x640
[  557.163059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.168605]  ? check_preemption_disabled+0x48/0x280
[  557.173623]  ? zap_class+0x640/0x640
[  557.177344]  ? debug_smp_processor_id+0x1c/0x20
[  557.182017]  ? perf_trace_lock+0x14d/0x7a0
[  557.186268]  ? check_preemption_disabled+0x48/0x280
[  557.191292]  ? lock_is_held_type+0x210/0x210
[  557.195724]  ? __lock_is_held+0xb5/0x140
[  557.199811]  __alloc_pages_nodemask+0xad8/0xea0
[  557.204481]  ? zap_class+0x640/0x640
[  557.208221]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  557.213253]  ? find_held_lock+0x36/0x1c0
[  557.217341]  ? ____cache_alloc_node+0x1c7/0x1e0
[  557.222093]  ? lock_downgrade+0x900/0x900
[  557.226254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.231802]  cache_grow_begin+0xa5/0x8c0
[  557.235865]  ? do_raw_spin_unlock+0xa7/0x330
[  557.240286]  fallback_alloc+0x204/0x2e0
[  557.244269]  ____cache_alloc_node+0x1c7/0x1e0
[  557.248774]  kmem_cache_alloc_node+0xe3/0x730
[  557.253271]  ? ipv6_get_ifaddr+0x42e/0x620
[  557.257534]  __alloc_skb+0x119/0x770
[  557.261254]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  557.266552]  ? netdev_alloc_frag+0x1f0/0x1f0
[  557.270963]  ? lock_downgrade+0x900/0x900
[  557.275244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.280795]  ? refcount_sub_and_test_checked+0x203/0x310
[  557.286248]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  557.291701]  ? addrconf_rs_timer+0x690/0x690
[  557.296127]  ndisc_alloc_skb+0x144/0x340
[  557.300198]  ndisc_send_rs+0x331/0x6e0
[  557.304096]  addrconf_rs_timer+0x314/0x690
[  557.308340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  557.312606]  call_timer_fn+0x272/0x920
[  557.316533]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  557.320770]  ? process_timeout+0x40/0x40
[  557.324844]  ? mark_held_locks+0xc7/0x130
[  557.329014]  ? _raw_spin_unlock_irq+0x27/0x80
[  557.333526]  ? _raw_spin_unlock_irq+0x27/0x80
[  557.338026]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  557.342361]  ? lockdep_hardirqs_on+0x296/0x5b0
[  557.346964]  ? trace_hardirqs_on+0xbd/0x310
[  557.351291]  ? kasan_check_read+0x11/0x20
[  557.355454]  ? __run_timers+0x7da/0xc70
[  557.359466]  ? trace_hardirqs_off_caller+0x310/0x310
[  557.364578]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  557.368824]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  557.373072]  __run_timers+0x7e5/0xc70
[  557.376890]  ? timer_fixup_init+0x70/0x70
[  557.381045]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  557.386074]  ? zap_class+0x640/0x640
[  557.389822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.395367]  ? print_usage_bug+0xc0/0xc0
[  557.399456]  ? debug_smp_processor_id+0x1c/0x20
[  557.404137]  ? perf_trace_lock+0x14d/0x7a0
[  557.408386]  ? find_held_lock+0x36/0x1c0
[  557.412454]  ? zap_class+0x640/0x640
[  557.416176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.421747]  ? check_preemption_disabled+0x48/0x280
[  557.426793]  ? __lock_is_held+0xb5/0x140
[  557.430872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.436411]  ? check_preemption_disabled+0x48/0x280
[  557.441459]  run_timer_softirq+0x52/0xb0
[  557.445536]  ? rcu_read_lock_sched_held+0x14f/0x180
[  557.450569]  __do_softirq+0x308/0xb7e
[  557.454377]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  557.458875]  ? lock_downgrade+0x900/0x900
[  557.463030]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  557.468162]  ? pvclock_read_flags+0x160/0x160
[  557.472665]  ? lapic_next_event+0x5a/0x90
[  557.476823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.482371]  ? kvm_clock_read+0x18/0x30
[  557.486346]  ? kvm_sched_clock_read+0x9/0x20
[  557.490761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.496303]  ? check_preemption_disabled+0x48/0x280
[  557.501333]  irq_exit+0x17f/0x1c0
[  557.504797]  smp_apic_timer_interrupt+0x1cb/0x760
[  557.509648]  ? smp_reschedule_interrupt+0x109/0x650
[  557.514671]  ? smp_call_function_single_interrupt+0x650/0x650
[  557.520559]  ? interrupt_entry+0xb5/0xc0
[  557.524625]  ? trace_hardirqs_off_caller+0xbb/0x310
[  557.529642]  ? trace_hardirqs_off_caller+0xbb/0x310
[  557.534661]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  557.539521]  ? trace_hardirqs_on_caller+0x310/0x310
[  557.544546]  ? trace_hardirqs_on_caller+0x310/0x310
[  557.549566]  ? task_prio+0x50/0x50
[  557.553125]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  557.558671]  ? check_preemption_disabled+0x48/0x280
[  557.563700]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  557.568560]  apic_timer_interrupt+0xf/0x20
[  557.572798]  </IRQ>
[  557.575045] RIP: 0010:console_unlock+0x102f/0x1190
[  557.579978] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  557.598886] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  557.606596] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  557.613869] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  557.621171] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  557.628441] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  557.635708] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  557.643026]  ? netconsole_netdev_event+0x280/0x280
[  557.647974]  ? console_unlock+0x1026/0x1190
[  557.652341]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  557.657014]  ? vprintk_emit+0x846/0x990
[  557.660999]  ? lock_release+0xa00/0xa00
[  557.664992]  ? trace_hardirqs_on+0x30/0x310
[  557.669316]  ? vprintk_default+0x28/0x30
[  557.673394]  ? trace_hardirqs_off_caller+0x310/0x310
[  557.678536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.684118]  vprintk_emit+0x391/0x990
[  557.687935]  ? wake_up_klogd+0x180/0x180
[  557.692037]  ? find_held_lock+0x31/0x1c0
[  557.696120]  ? mark_held_locks+0xc7/0x130
[  557.700291]  ? _raw_spin_unlock_irq+0x27/0x80
[  557.704802]  ? _raw_spin_unlock_irq+0x27/0x80
[  557.709307]  vprintk_default+0x28/0x30
[  557.713217]  vprintk_func+0x7e/0x181
[  557.716936]  printk+0xa7/0xcf
[  557.720060]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  557.724822]  ? _raw_spin_unlock_irq+0x60/0x80
[  557.729344]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  557.734640]  dump_header+0x7cc/0xf72
[  557.738383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.743953]  ? check_preemption_disabled+0x48/0x280
[  557.748989]  ? pagefault_out_of_memory+0x197/0x197
[  557.753935]  ? debug_smp_processor_id+0x1c/0x20
[  557.758608]  ? perf_trace_lock+0x14d/0x7a0
[  557.762868]  ? mark_held_locks+0x130/0x130
[  557.767108]  ? lock_is_held_type+0x210/0x210
[  557.771544]  ? debug_smp_processor_id+0x1c/0x20
[  557.776219]  ? zap_class+0x640/0x640
[  557.779956]  ? lock_is_held_type+0x210/0x210
[  557.784383]  ? perf_trace_lock+0x14d/0x7a0
[  557.788627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.794192]  ? find_held_lock+0x36/0x1c0
[  557.798304]  ? mark_held_locks+0xc7/0x130
[  557.802461]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  557.807589]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  557.812760]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  557.817348]  ? trace_hardirqs_on+0xbd/0x310
[  557.821674]  ? kasan_check_read+0x11/0x20
[  557.825824]  ? ___ratelimit+0x3b4/0x672
[  557.829802]  ? trace_hardirqs_off_caller+0x310/0x310
[  557.834925]  ? trace_hardirqs_on+0x310/0x310
[  557.839345]  ? lock_downgrade+0x900/0x900
[  557.843523]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  557.848634]  ? ___ratelimit+0x3b9/0x672
[  557.852627]  ? idr_get_free+0xf70/0xf70
[  557.856606]  ? lock_is_held_type+0x210/0x210
[  557.861029]  oom_kill_process.cold.27+0x10/0x903
[  557.865789]  ? zap_class+0x640/0x640
[  557.869523]  ? _raw_spin_unlock+0x2c/0x50
[  557.873674]  ? oom_badness+0xe6/0xaa0
[  557.877487]  ? oom_evaluate_task+0x540/0x540
[  557.881916]  ? find_held_lock+0x36/0x1c0
[  557.885987]  ? out_of_memory+0x974/0x1430
[  557.890142]  ? lock_downgrade+0x900/0x900
[  557.894294]  ? check_preemption_disabled+0x48/0x280
[  557.899343]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  557.904298]  ? kasan_check_read+0x11/0x20
[  557.908448]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  557.913731]  ? rcu_softirq_qs+0x20/0x20
[  557.917719]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  557.922763]  ? oom_evaluate_task+0x302/0x540
[  557.927198]  out_of_memory+0xa84/0x1430
[  557.931184]  ? oom_killer_disable+0x3a0/0x3a0
[  557.935688]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  557.940625]  ? __ww_mutex_check_waiters+0x160/0x160
[  557.945661]  __alloc_pages_slowpath+0x232c/0x2de0
[  557.950553]  ? warn_alloc+0x120/0x120
[  557.954361]  ? mark_held_locks+0x130/0x130
[  557.958611]  ? find_get_entry+0xaae/0x1120
[  557.962862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  557.968413]  ? check_preemption_disabled+0x48/0x280
[  557.973436]  ? filemap_map_pages+0x1a20/0x1a20
[  557.978029]  ? debug_smp_processor_id+0x1c/0x20
[  557.982703]  ? perf_trace_lock+0x14d/0x7a0
[  557.986954]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  557.992500]  ? should_fail+0x22d/0xd01
[  557.996412]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  558.001564]  ? zap_class+0x640/0x640
[  558.005310]  ? __lock_is_held+0xb5/0x140
[  558.009387]  ? mark_held_locks+0x130/0x130
[  558.013627]  ? lock_release+0xa00/0xa00
[  558.017607]  ? perf_trace_sched_process_exec+0x860/0x860
[  558.023063]  ? xa_load+0x2ba/0x460
[  558.026612]  ? lock_downgrade+0x900/0x900
[  558.030771]  ? __might_sleep+0x95/0x190
[  558.034755]  __alloc_pages_nodemask+0xad8/0xea0
[  558.039448]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  558.044467]  ? __page_cache_alloc+0x191/0x5c0
[  558.048964]  ? xa_load+0x2e1/0x460
[  558.052521]  ? xa_clear_mark+0x40/0x40
[  558.056416]  ? zap_class+0x640/0x640
[  558.060143]  ? zap_class+0x640/0x640
[  558.063866]  ? zap_class+0x640/0x640
[  558.067589]  ? __do_page_cache_readahead+0x663/0x810
[  558.072705]  ? find_held_lock+0x36/0x1c0
[  558.076778]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  558.082342]  alloc_pages_current+0x173/0x350
[  558.086766]  __page_cache_alloc+0x38c/0x5c0
[  558.091090]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  558.096024]  ? kasan_check_read+0x11/0x20
[  558.100174]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  558.105456]  ? generic_perform_write+0x6a0/0x6a0
[  558.110219]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  558.115768]  ? check_preemption_disabled+0x48/0x280
[  558.120796]  filemap_fault+0x1595/0x25f0
[  558.124885]  ? __lock_page_or_retry+0xa00/0xa00
[  558.129577]  ? mark_held_locks+0x130/0x130
[  558.133846]  ? filemap_map_pages+0xd6b/0x1a20
[  558.138377]  ? lock_downgrade+0x900/0x900
[  558.142553]  ? check_preemption_disabled+0x48/0x280
[  558.147583]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  558.152537]  ? kasan_check_read+0x11/0x20
[  558.156690]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  558.161982]  ? rcu_softirq_qs+0x20/0x20
[  558.165978]  ? filemap_map_pages+0xd92/0x1a20
[  558.170493]  ? find_get_entries_tag+0x1400/0x1400
[  558.175375]  ? debug_object_destroy+0x2b0/0x2b0
[  558.180054]  ? lock_pi_update_atomic+0x150/0x150
[  558.184814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  558.190369]  ? lock_acquire+0x1ed/0x520
[  558.194344]  ? ext4_filemap_fault+0x7a/0xad
[  558.198676]  ? lock_release+0xa00/0xa00
[  558.202653]  ? perf_trace_sched_process_exec+0x860/0x860
[  558.208105]  ? print_usage_bug+0xc0/0xc0
[  558.212170]  ? print_usage_bug+0xc0/0xc0
[  558.216263]  ? down_read+0x8d/0x120
[  558.219892]  ? ext4_filemap_fault+0x7a/0xad
[  558.224233]  ? __down_interruptible+0x700/0x700
[  558.228919]  ext4_filemap_fault+0x82/0xad
[  558.233085]  __do_fault+0x100/0x6b0
[  558.236717]  ? pmd_devmap_trans_unstable+0x220/0x220
[  558.241827]  ? mark_held_locks+0x130/0x130
[  558.246092]  ? mark_held_locks+0x130/0x130
[  558.250335]  ? debug_smp_processor_id+0x1c/0x20
[  558.255006]  ? perf_trace_lock+0x14d/0x7a0
[  558.259244]  ? lock_downgrade+0x900/0x900
[  558.263400]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  558.268945]  __handle_mm_fault+0x3ea0/0x5be0
[  558.273365]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  558.278217]  ? lock_is_held_type+0x210/0x210
[  558.282631]  ? file_remove_privs+0x540/0x540
[  558.287052]  ? file_remove_privs+0x540/0x540
[  558.291481]  ? zap_class+0x640/0x640
[  558.295208]  ? zap_class+0x640/0x640
[  558.298934]  ? __x64_sys_futex+0x53e/0x6a0
[  558.303203]  ? find_held_lock+0x36/0x1c0
[  558.307276]  ? handle_mm_fault+0x42a/0xc70
[  558.311526]  ? lock_downgrade+0x900/0x900
[  558.315684]  ? check_preemption_disabled+0x48/0x280
[  558.320707]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  558.325641]  ? kasan_check_read+0x11/0x20
[  558.329806]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  558.335089]  ? rcu_softirq_qs+0x20/0x20
[  558.339063]  ? trace_hardirqs_off_caller+0x310/0x310
[  558.344176]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  558.349717]  ? check_preemption_disabled+0x48/0x280
[  558.354749]  handle_mm_fault+0x54f/0xc70
[  558.358816]  ? __handle_mm_fault+0x5be0/0x5be0
[  558.363407]  ? find_vma+0x34/0x190
[  558.366957]  __do_page_fault+0x5e8/0xe60
[  558.371020]  ? trace_hardirqs_off+0xb8/0x310
[  558.375443]  do_page_fault+0xf2/0x7e0
[  558.379287]  ? vmalloc_sync_all+0x30/0x30
[  558.383440]  ? error_entry+0x70/0xd0
[  558.387155]  ? trace_hardirqs_off_caller+0xbb/0x310
[  558.392204]  ? trace_hardirqs_on_caller+0xc0/0x310
[  558.397135]  ? syscall_return_slowpath+0x5e0/0x5e0
[  558.402068]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  558.406917]  ? trace_hardirqs_on_caller+0x310/0x310
[  558.411938]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  558.417395]  ? prepare_exit_to_usermode+0x291/0x3b0
[  558.422445]  ? page_fault+0x8/0x30
[  558.425994]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  558.430842]  ? page_fault+0x8/0x30
[  558.434386]  page_fault+0x1e/0x30
[  558.437841] RIP: 0033:0x45ddf3
[  558.441049] Code: Bad RIP value.
[  558.444414] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  558.449778] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  558.457045] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  558.464319] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  558.471584] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  558.478855] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  558.486151] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  558.486158] warn_alloc_show_mem: 1 callbacks suppressed
[  558.486164] Mem-Info:
[  558.493531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  558.498922] active_anon:147110 inactive_anon:190 isolated_anon:0
[  558.498922]  active_file:13 inactive_file:13 isolated_file:2
[  558.498922]  unevictable:1 dirty:0 writeback:0 unstable:0
[  558.498922]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  558.498922]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  558.498922]  free:13705 free_pcp:247 free_cma:0
[  558.501299] Call Trace:
[  558.510689] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  558.543710]  <IRQ>
[  558.546283] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  558.573786]  dump_stack+0x244/0x39d
[  558.575912] lowmem_reserve[]: 0 2818 6321 6321
[  558.602029]  ? dump_stack_print_info.cold.1+0x20/0x20
[  558.605623] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  558.610215]  warn_alloc.cold.116+0xb7/0x1bd
[  558.615373] lowmem_reserve[]: 0 0 3503 3503
[  558.643053]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  558.647355] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  558.651671]  ? lock_downgrade+0x900/0x900
[  558.656484] lowmem_reserve[]: 0 0 0 0
[  558.685481]  ? trace_hardirqs_off+0xb8/0x310
[  558.689608] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  558.693407]  ? trace_hardirqs_off+0xb8/0x310
[  558.697799] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  558.711320]  __alloc_pages_slowpath+0x2651/0x2de0
[  558.715709] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  558.730827]  ? warn_alloc+0x120/0x120
[  558.735621] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  558.750173]  ? print_usage_bug+0xc0/0xc0
[  558.753955] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  558.762780]  ? warn_alloc+0x120/0x120
[  558.766817] 274 total pagecache pages
[  558.775388]  ? warn_alloc+0x120/0x120
[  558.779171] 0 pages in swap cache
[  558.782962]  ? print_usage_bug+0xc0/0xc0
[  558.786744] Swap cache stats: add 0, delete 0, find 0/0
[  558.790191]  ? kvm_clock_read+0x18/0x30
[  558.794226] Free swap  = 0kB
[  558.799590]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  558.803541] Total swap = 0kB
[  558.806579]  ? print_usage_bug+0xc0/0xc0
[  558.811575] 1965979 pages RAM
[  558.814591]  ? __lock_acquire+0x62f/0x4c20
[  558.818626] 0 pages HighMem/MovableOnly
[  558.821731]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  558.825941] 342854 pages reserved
[  558.829907]  ? should_fail+0x22d/0xd01
[  558.835416] 0 pages cma reserved
[  558.838881]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  558.842807] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  558.846108]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  558.846125]  ? __lock_acquire+0x62f/0x4c20
[  558.846143]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  558.851458] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  558.857887]  ? __lock_acquire+0x62f/0x4c20
[  558.862966] syz-fuzzer cpuset=/ mems_allowed=0
[  558.867221]  ? should_fail+0x22d/0xd01
[  558.895172]  ? rcu_irq_exit+0x1a2/0x390
[  558.899166]  ? mark_held_locks+0x130/0x130
[  558.903409]  ? mark_held_locks+0x130/0x130
[  558.907647]  ? perf_trace_lock+0x14d/0x7a0
[  558.911894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  558.917439]  ? check_preemption_disabled+0x48/0x280
[  558.922459]  ? zap_class+0x640/0x640
[  558.926180]  ? debug_smp_processor_id+0x1c/0x20
[  558.930854]  ? perf_trace_lock+0x14d/0x7a0
[  558.935093]  ? check_preemption_disabled+0x48/0x280
[  558.940123]  ? lock_is_held_type+0x210/0x210
[  558.944569]  ? __lock_is_held+0xb5/0x140
[  558.948641]  __alloc_pages_nodemask+0xad8/0xea0
[  558.953312]  ? zap_class+0x640/0x640
[  558.957040]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  558.962104]  ? find_held_lock+0x36/0x1c0
[  558.966182]  ? ____cache_alloc_node+0x1c7/0x1e0
[  558.970854]  ? lock_downgrade+0x900/0x900
[  558.975018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  558.980565]  cache_grow_begin+0xa5/0x8c0
[  558.984627]  ? do_raw_spin_unlock+0xa7/0x330
[  558.989051]  fallback_alloc+0x204/0x2e0
[  558.993038]  ____cache_alloc_node+0x1c7/0x1e0
[  558.997547]  kmem_cache_alloc_node+0xe3/0x730
[  559.002052]  ? ipv6_get_ifaddr+0x42e/0x620
[  559.006300]  __alloc_skb+0x119/0x770
[  559.010357]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  559.015645]  ? netdev_alloc_frag+0x1f0/0x1f0
[  559.020057]  ? lock_downgrade+0x900/0x900
[  559.024220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.029762]  ? refcount_sub_and_test_checked+0x203/0x310
[  559.035221]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  559.040672]  ? addrconf_rs_timer+0x690/0x690
[  559.045100]  ndisc_alloc_skb+0x144/0x340
[  559.049167]  ndisc_send_rs+0x331/0x6e0
[  559.053063]  addrconf_rs_timer+0x314/0x690
[  559.057305]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  559.061553]  call_timer_fn+0x272/0x920
[  559.065446]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  559.069690]  ? process_timeout+0x40/0x40
[  559.073760]  ? __run_timers+0x7da/0xc70
[  559.077738]  ? _raw_spin_unlock_irq+0x27/0x80
[  559.082238]  ? _raw_spin_unlock_irq+0x27/0x80
[  559.086737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  559.090975]  ? lockdep_hardirqs_on+0x296/0x5b0
[  559.095566]  ? trace_hardirqs_on+0xbd/0x310
[  559.099894]  ? kasan_check_read+0x11/0x20
[  559.104044]  ? __run_timers+0x7da/0xc70
[  559.108026]  ? trace_hardirqs_off_caller+0x310/0x310
[  559.113136]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  559.117377]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  559.121622]  __run_timers+0x7e5/0xc70
[  559.125438]  ? timer_fixup_init+0x70/0x70
[  559.129594]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  559.134614]  ? zap_class+0x640/0x640
[  559.138332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.144392]  ? check_preemption_disabled+0x48/0x280
[  559.149422]  ? debug_smp_processor_id+0x1c/0x20
[  559.154092]  ? perf_trace_lock+0x14d/0x7a0
[  559.158332]  ? find_held_lock+0x36/0x1c0
[  559.162404]  ? zap_class+0x640/0x640
[  559.166124]  ? pvclock_read_flags+0x160/0x160
[  559.170628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.176170]  ? check_preemption_disabled+0x48/0x280
[  559.181201]  ? __lock_is_held+0xb5/0x140
[  559.185268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.190806]  ? check_preemption_disabled+0x48/0x280
[  559.195829]  run_timer_softirq+0x52/0xb0
[  559.199906]  ? rcu_read_lock_sched_held+0x14f/0x180
[  559.204927]  __do_softirq+0x308/0xb7e
[  559.208735]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  559.213260]  ? lock_downgrade+0x900/0x900
[  559.217443]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  559.222562]  ? pvclock_read_flags+0x160/0x160
[  559.227080]  ? lapic_next_event+0x5a/0x90
[  559.231260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.236804]  ? kvm_clock_read+0x18/0x30
[  559.240795]  ? kvm_sched_clock_read+0x9/0x20
[  559.245205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.250747]  ? check_preemption_disabled+0x48/0x280
[  559.255777]  irq_exit+0x17f/0x1c0
[  559.259235]  smp_apic_timer_interrupt+0x1cb/0x760
[  559.264096]  ? smp_reschedule_interrupt+0x109/0x650
[  559.269113]  ? smp_call_function_single_interrupt+0x650/0x650
[  559.274999]  ? interrupt_entry+0xb5/0xc0
[  559.279071]  ? trace_hardirqs_off_caller+0xbb/0x310
[  559.284091]  ? trace_hardirqs_off_caller+0xbb/0x310
[  559.289124]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  559.293969]  ? trace_hardirqs_on_caller+0x310/0x310
[  559.298994]  ? trace_hardirqs_on_caller+0x310/0x310
[  559.304025]  ? task_prio+0x50/0x50
[  559.307588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.313128]  ? check_preemption_disabled+0x48/0x280
[  559.318154]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  559.323027]  apic_timer_interrupt+0xf/0x20
[  559.327260]  </IRQ>
[  559.329512] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  559.334443] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  559.353396] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  559.361131] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  559.368397] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  559.375666] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  559.382947] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  559.390231] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  559.397559]  skb_clone+0x1bb/0x500
[  559.401108]  ? skb_split+0x11e0/0x11e0
[  559.405004]  ? debug_smp_processor_id+0x1c/0x20
[  559.409684]  ? perf_trace_lock+0x14d/0x7a0
[  559.413920]  ? __switch_to_asm+0x34/0x70
[  559.417998]  ? __switch_to_asm+0x40/0x70
[  559.422065]  ? __switch_to_asm+0x40/0x70
[  559.426123]  ? __switch_to_asm+0x34/0x70
[  559.430213]  bpf_clone_redirect+0xb9/0x490
[  559.434458]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  559.439392]  ? __sched_text_start+0x8/0x8
[  559.443576]  ? find_held_lock+0x36/0x1c0
[  559.447662]  ? lock_acquire+0x1ed/0x520
[  559.451639]  ? bpf_test_run+0x3cb/0x780
[  559.455622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.461166]  ? check_preemption_disabled+0x48/0x280
[  559.466194]  ? kasan_check_read+0x11/0x20
[  559.470347]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  559.475624]  ? rcu_softirq_qs+0x20/0x20
[  559.479605]  ? preempt_schedule+0x4d/0x60
[  559.483755]  ? ___preempt_schedule+0x16/0x18
[  559.488177]  ? bpf_test_run+0x25d/0x780
[  559.492165]  ? netlink_diag_dump+0x2a0/0x2a0
[  559.496579]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  559.502128]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  559.506912]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  559.511754]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  559.517296]  ? fput+0x130/0x1a0
[  559.520584]  ? __bpf_prog_get+0x9b/0x290
[  559.524652]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  559.529497]  ? bpf_prog_test_run+0x130/0x1a0
[  559.533967]  ? __x64_sys_bpf+0x3d8/0x520
[  559.538037]  ? bpf_prog_get+0x20/0x20
[  559.541866]  ? do_syscall_64+0x1b9/0x820
[  559.545927]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  559.551294]  ? syscall_return_slowpath+0x5e0/0x5e0
[  559.556229]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  559.561076]  ? trace_hardirqs_on_caller+0x310/0x310
[  559.566094]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  559.571117]  ? prepare_exit_to_usermode+0x291/0x3b0
[  559.576146]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  559.580999]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  559.586391] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  559.586497] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  559.593408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  559.593417] Call Trace:
[  559.599991] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  559.609245]  <IRQ>
[  559.611815] syz-executor4 cpuset=syz4 mems_allowed=0
[  559.622290]  dump_stack+0x244/0x39d
[  559.633197]  ? dump_stack_print_info.cold.1+0x20/0x20
[  559.638419]  warn_alloc.cold.116+0xb7/0x1bd
[  559.642743]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  559.647597]  ? lock_downgrade+0x900/0x900
[  559.651761]  ? trace_hardirqs_off+0xb8/0x310
[  559.656226]  ? trace_hardirqs_off+0xb8/0x310
[  559.660650]  __alloc_pages_slowpath+0x2651/0x2de0
[  559.665539]  ? warn_alloc+0x120/0x120
[  559.669361]  ? print_usage_bug+0xc0/0xc0
[  559.673435]  ? warn_alloc+0x120/0x120
[  559.677238]  ? debug_smp_processor_id+0x1c/0x20
[  559.681912]  ? warn_alloc+0x120/0x120
[  559.685717]  ? print_usage_bug+0xc0/0xc0
[  559.689785]  ? print_usage_bug+0xc0/0xc0
[  559.693852]  ? __lock_acquire+0x62f/0x4c20
[  559.698095]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  559.703722]  ? should_fail+0x22d/0xd01
[  559.707621]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  559.712725]  ? __lock_acquire+0x62f/0x4c20
[  559.716969]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  559.722070]  ? __lock_acquire+0x62f/0x4c20
[  559.726304]  ? should_fail+0x22d/0xd01
[  559.730192]  ? find_held_lock+0x36/0x1c0
[  559.734295]  ? mark_held_locks+0x130/0x130
[  559.738557]  ? mark_held_locks+0x130/0x130
[  559.742813]  ? perf_trace_lock+0x14d/0x7a0
[  559.747048]  ? zap_class+0x640/0x640
[  559.750769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.756338]  ? check_preemption_disabled+0x48/0x280
[  559.761366]  ? zap_class+0x640/0x640
[  559.765086]  ? debug_smp_processor_id+0x1c/0x20
[  559.769758]  ? perf_trace_lock+0x14d/0x7a0
[  559.773995]  ? check_preemption_disabled+0x48/0x280
[  559.779018]  ? lock_is_held_type+0x210/0x210
[  559.783430]  ? __lock_is_held+0xb5/0x140
[  559.787500]  __alloc_pages_nodemask+0xad8/0xea0
[  559.792187]  ? zap_class+0x640/0x640
[  559.795907]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  559.800940]  ? find_held_lock+0x36/0x1c0
[  559.805014]  ? ____cache_alloc_node+0x1c7/0x1e0
[  559.809685]  ? lock_downgrade+0x900/0x900
[  559.813843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.819387]  cache_grow_begin+0xa5/0x8c0
[  559.823466]  ? do_raw_spin_unlock+0xa7/0x330
[  559.827899]  fallback_alloc+0x204/0x2e0
[  559.831898]  ____cache_alloc_node+0x1c7/0x1e0
[  559.836399]  kmem_cache_alloc_node+0xe3/0x730
[  559.840893]  ? ipv6_get_ifaddr+0x42e/0x620
[  559.845141]  __alloc_skb+0x119/0x770
[  559.848868]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  559.854149]  ? netdev_alloc_frag+0x1f0/0x1f0
[  559.858576]  ? lock_downgrade+0x900/0x900
[  559.862747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.868286]  ? refcount_sub_and_test_checked+0x203/0x310
[  559.873763]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  559.879217]  ? addrconf_rs_timer+0x690/0x690
[  559.883640]  ndisc_alloc_skb+0x144/0x340
[  559.887709]  ndisc_send_rs+0x331/0x6e0
[  559.891604]  addrconf_rs_timer+0x314/0x690
[  559.895850]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  559.900101]  call_timer_fn+0x272/0x920
[  559.903991]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  559.908230]  ? process_timeout+0x40/0x40
[  559.912306]  ? mark_held_locks+0xc7/0x130
[  559.916458]  ? _raw_spin_unlock_irq+0x27/0x80
[  559.920956]  ? _raw_spin_unlock_irq+0x27/0x80
[  559.925451]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  559.929687]  ? lockdep_hardirqs_on+0x296/0x5b0
[  559.934285]  ? trace_hardirqs_on+0xbd/0x310
[  559.938613]  ? kasan_check_read+0x11/0x20
[  559.942764]  ? __run_timers+0x7da/0xc70
[  559.946744]  ? trace_hardirqs_off_caller+0x310/0x310
[  559.951853]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  559.956098]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  559.960335]  __run_timers+0x7e5/0xc70
[  559.964153]  ? timer_fixup_init+0x70/0x70
[  559.968307]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  559.973325]  ? zap_class+0x640/0x640
[  559.977042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  559.982582]  ? print_usage_bug+0xc0/0xc0
[  559.986652]  ? debug_smp_processor_id+0x1c/0x20
[  559.991339]  ? perf_trace_lock+0x14d/0x7a0
[  559.995587]  ? find_held_lock+0x36/0x1c0
[  559.999658]  ? zap_class+0x640/0x640
[  560.003378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  560.008918]  ? check_preemption_disabled+0x48/0x280
[  560.013947]  ? __lock_is_held+0xb5/0x140
[  560.018010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  560.023563]  ? check_preemption_disabled+0x48/0x280
[  560.028587]  run_timer_softirq+0x52/0xb0
[  560.032651]  ? rcu_read_lock_sched_held+0x14f/0x180
[  560.037672]  __do_softirq+0x308/0xb7e
[  560.041485]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  560.045995]  ? lock_downgrade+0x900/0x900
[  560.050149]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  560.055266]  ? pvclock_read_flags+0x160/0x160
[  560.059768]  ? lapic_next_event+0x5a/0x90
[  560.063918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  560.069467]  ? kvm_clock_read+0x18/0x30
[  560.073440]  ? kvm_sched_clock_read+0x9/0x20
[  560.077850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  560.083392]  ? check_preemption_disabled+0x48/0x280
[  560.088421]  irq_exit+0x17f/0x1c0
[  560.091877]  smp_apic_timer_interrupt+0x1cb/0x760
[  560.096767]  ? smp_reschedule_interrupt+0x109/0x650
[  560.101789]  ? smp_call_function_single_interrupt+0x650/0x650
[  560.107674]  ? interrupt_entry+0xb5/0xc0
[  560.111739]  ? trace_hardirqs_off_caller+0xbb/0x310
[  560.116758]  ? trace_hardirqs_off_caller+0xbb/0x310
[  560.121780]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  560.126625]  ? trace_hardirqs_on_caller+0x310/0x310
[  560.131642]  ? trace_hardirqs_on_caller+0x310/0x310
[  560.136664]  ? task_prio+0x50/0x50
[  560.140210]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  560.145750]  ? check_preemption_disabled+0x48/0x280
[  560.150775]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  560.155629]  apic_timer_interrupt+0xf/0x20
[  560.159855]  </IRQ>
[  560.162092] RIP: 0010:console_unlock+0x102f/0x1190
[  560.167026] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  560.185929] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  560.193642] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  560.200907] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  560.208176] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  560.215446] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  560.222712] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  560.230003]  ? netconsole_netdev_event+0x280/0x280
[  560.234941]  ? console_unlock+0x1026/0x1190
[  560.239284]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  560.243971]  ? vprintk_emit+0x846/0x990
[  560.247953]  ? lock_release+0xa00/0xa00
[  560.251933]  ? trace_hardirqs_on+0x30/0x310
[  560.256254]  ? vprintk_default+0x28/0x30
[  560.260320]  ? trace_hardirqs_off_caller+0x310/0x310
[  560.265441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  560.270989]  vprintk_emit+0x391/0x990
[  560.274799]  ? wake_up_klogd+0x180/0x180
[  560.278910]  ? find_held_lock+0x31/0x1c0
[  560.282980]  ? mark_held_locks+0xc7/0x130
[  560.287132]  ? _raw_spin_unlock_irq+0x27/0x80
[  560.291637]  ? _raw_spin_unlock_irq+0x27/0x80
[  560.296137]  vprintk_default+0x28/0x30
[  560.300023]  vprintk_func+0x7e/0x181
[  560.303740]  printk+0xa7/0xcf
[  560.306850]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  560.311614]  ? _raw_spin_unlock_irq+0x60/0x80
[  560.316124]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  560.321444]  dump_header+0x7cc/0xf72
[  560.325163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  560.330706]  ? check_preemption_disabled+0x48/0x280
[  560.335729]  ? pagefault_out_of_memory+0x197/0x197
[  560.340660]  ? debug_smp_processor_id+0x1c/0x20
[  560.345326]  ? perf_trace_lock+0x14d/0x7a0
[  560.349583]  ? mark_held_locks+0x130/0x130
[  560.353821]  ? lock_is_held_type+0x210/0x210
[  560.358241]  ? debug_smp_processor_id+0x1c/0x20
[  560.362918]  ? zap_class+0x640/0x640
[  560.366657]  ? lock_is_held_type+0x210/0x210
[  560.371078]  ? perf_trace_lock+0x14d/0x7a0
[  560.375322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  560.380869]  ? find_held_lock+0x36/0x1c0
[  560.384948]  ? mark_held_locks+0xc7/0x130
[  560.389100]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  560.394205]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  560.399314]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  560.403902]  ? trace_hardirqs_on+0xbd/0x310
[  560.408224]  ? kasan_check_read+0x11/0x20
[  560.412374]  ? ___ratelimit+0x3b4/0x672
[  560.416351]  ? trace_hardirqs_off_caller+0x310/0x310
[  560.421458]  ? trace_hardirqs_on+0x310/0x310
[  560.425870]  ? lock_downgrade+0x900/0x900
[  560.430053]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  560.435160]  ? ___ratelimit+0x3b9/0x672
[  560.439138]  ? idr_get_free+0xf70/0xf70
[  560.443117]  ? lock_is_held_type+0x210/0x210
[  560.447546]  oom_kill_process.cold.27+0x10/0x903
[  560.452304]  ? zap_class+0x640/0x640
[  560.456020]  ? _raw_spin_unlock+0x2c/0x50
[  560.460171]  ? oom_badness+0xe6/0xaa0
[  560.463995]  ? oom_evaluate_task+0x540/0x540
[  560.468439]  ? find_held_lock+0x36/0x1c0
[  560.472569]  ? out_of_memory+0x974/0x1430
[  560.476721]  ? lock_downgrade+0x900/0x900
[  560.480872]  ? check_preemption_disabled+0x48/0x280
[  560.485895]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  560.490824]  ? kasan_check_read+0x11/0x20
[  560.494972]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  560.500248]  ? rcu_softirq_qs+0x20/0x20
[  560.504226]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  560.509242]  ? oom_evaluate_task+0x302/0x540
[  560.513656]  out_of_memory+0xa84/0x1430
[  560.517642]  ? oom_killer_disable+0x3a0/0x3a0
[  560.522141]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  560.527078]  ? __ww_mutex_check_waiters+0x160/0x160
[  560.532107]  __alloc_pages_slowpath+0x232c/0x2de0
[  560.536986]  ? warn_alloc+0x120/0x120
[  560.540788]  ? mark_held_locks+0x130/0x130
[  560.545034]  ? find_get_entry+0xaae/0x1120
[  560.549308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  560.554848]  ? check_preemption_disabled+0x48/0x280
[  560.559863]  ? filemap_map_pages+0x1a20/0x1a20
[  560.564455]  ? debug_smp_processor_id+0x1c/0x20
[  560.569125]  ? perf_trace_lock+0x14d/0x7a0
[  560.573375]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  560.578914]  ? should_fail+0x22d/0xd01
[  560.582807]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  560.587916]  ? zap_class+0x640/0x640
[  560.591665]  ? __lock_is_held+0xb5/0x140
[  560.595740]  ? mark_held_locks+0x130/0x130
[  560.599981]  ? lock_release+0xa00/0xa00
[  560.603960]  ? perf_trace_sched_process_exec+0x860/0x860
[  560.609416]  ? xa_load+0x2ba/0x460
[  560.612962]  ? lock_downgrade+0x900/0x900
[  560.617120]  ? __might_sleep+0x95/0x190
[  560.621100]  __alloc_pages_nodemask+0xad8/0xea0
[  560.625777]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  560.630796]  ? __page_cache_alloc+0x191/0x5c0
[  560.635291]  ? xa_load+0x2e1/0x460
[  560.638834]  ? xa_clear_mark+0x40/0x40
[  560.642727]  ? zap_class+0x640/0x640
[  560.646452]  ? zap_class+0x640/0x640
[  560.650164]  ? zap_class+0x640/0x640
[  560.653877]  ? __do_page_cache_readahead+0x663/0x810
[  560.658986]  ? find_held_lock+0x36/0x1c0
[  560.663063]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  560.668608]  alloc_pages_current+0x173/0x350
[  560.673028]  __page_cache_alloc+0x38c/0x5c0
[  560.677351]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  560.682285]  ? kasan_check_read+0x11/0x20
[  560.686433]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  560.691715]  ? generic_perform_write+0x6a0/0x6a0
[  560.696475]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  560.702027]  ? check_preemption_disabled+0x48/0x280
[  560.707057]  filemap_fault+0x1595/0x25f0
[  560.711139]  ? __lock_page_or_retry+0xa00/0xa00
[  560.715817]  ? mark_held_locks+0x130/0x130
[  560.720062]  ? filemap_map_pages+0xd6b/0x1a20
[  560.724574]  ? lock_downgrade+0x900/0x900
[  560.728724]  ? check_preemption_disabled+0x48/0x280
[  560.733747]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  560.738677]  ? kasan_check_read+0x11/0x20
[  560.742829]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  560.748108]  ? rcu_softirq_qs+0x20/0x20
[  560.752094]  ? filemap_map_pages+0xd92/0x1a20
[  560.756609]  ? find_get_entries_tag+0x1400/0x1400
[  560.761456]  ? debug_object_destroy+0x2b0/0x2b0
[  560.766134]  ? lock_pi_update_atomic+0x150/0x150
[  560.770889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  560.776443]  ? lock_acquire+0x1ed/0x520
[  560.780416]  ? ext4_filemap_fault+0x7a/0xad
[  560.784747]  ? lock_release+0xa00/0xa00
[  560.788722]  ? perf_trace_sched_process_exec+0x860/0x860
[  560.794208]  ? print_usage_bug+0xc0/0xc0
[  560.798271]  ? print_usage_bug+0xc0/0xc0
[  560.802351]  ? down_read+0x8d/0x120
[  560.805977]  ? ext4_filemap_fault+0x7a/0xad
[  560.810299]  ? __down_interruptible+0x700/0x700
[  560.814985]  ext4_filemap_fault+0x82/0xad
[  560.819143]  __do_fault+0x100/0x6b0
[  560.822779]  ? pmd_devmap_trans_unstable+0x220/0x220
[  560.827891]  ? mark_held_locks+0x130/0x130
[  560.832131]  ? mark_held_locks+0x130/0x130
[  560.836374]  ? debug_smp_processor_id+0x1c/0x20
[  560.841046]  ? perf_trace_lock+0x14d/0x7a0
[  560.845282]  ? lock_downgrade+0x900/0x900
[  560.849439]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  560.854988]  __handle_mm_fault+0x3ea0/0x5be0
[  560.859410]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  560.864254]  ? lock_is_held_type+0x210/0x210
[  560.868669]  ? file_remove_privs+0x540/0x540
[  560.873081]  ? file_remove_privs+0x540/0x540
[  560.877525]  ? zap_class+0x640/0x640
[  560.881244]  ? zap_class+0x640/0x640
[  560.884965]  ? __x64_sys_futex+0x53e/0x6a0
[  560.889209]  ? find_held_lock+0x36/0x1c0
[  560.893282]  ? handle_mm_fault+0x42a/0xc70
[  560.897536]  ? lock_downgrade+0x900/0x900
[  560.901686]  ? check_preemption_disabled+0x48/0x280
[  560.906713]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  560.911645]  ? kasan_check_read+0x11/0x20
[  560.915797]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  560.921078]  ? rcu_softirq_qs+0x20/0x20
[  560.925056]  ? trace_hardirqs_off_caller+0x310/0x310
[  560.930165]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  560.935709]  ? check_preemption_disabled+0x48/0x280
[  560.940756]  handle_mm_fault+0x54f/0xc70
[  560.944825]  ? __handle_mm_fault+0x5be0/0x5be0
[  560.949417]  ? find_vma+0x34/0x190
[  560.952967]  __do_page_fault+0x5e8/0xe60
[  560.957033]  ? trace_hardirqs_off+0xb8/0x310
[  560.961454]  do_page_fault+0xf2/0x7e0
[  560.965258]  ? vmalloc_sync_all+0x30/0x30
[  560.969412]  ? error_entry+0x70/0xd0
[  560.973127]  ? trace_hardirqs_off_caller+0xbb/0x310
[  560.978144]  ? trace_hardirqs_on_caller+0xc0/0x310
[  560.983074]  ? syscall_return_slowpath+0x5e0/0x5e0
[  560.988003]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  560.992860]  ? trace_hardirqs_on_caller+0x310/0x310
[  560.997876]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  561.003332]  ? prepare_exit_to_usermode+0x291/0x3b0
[  561.008348]  ? page_fault+0x8/0x30
[  561.012366]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  561.017218]  ? page_fault+0x8/0x30
[  561.020761]  page_fault+0x1e/0x30
[  561.024215] RIP: 0033:0x45ddf3
[  561.027421] Code: Bad RIP value.
[  561.030781] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  561.036145] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  561.043416] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  561.050684] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  561.057960] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  561.065228] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  561.072545] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  561.072552] warn_alloc_show_mem: 1 callbacks suppressed
[  561.072559] Mem-Info:
[  561.079918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  561.085290] active_anon:147110 inactive_anon:190 isolated_anon:0
[  561.085290]  active_file:13 inactive_file:13 isolated_file:2
[  561.085290]  unevictable:1 dirty:0 writeback:0 unstable:0
[  561.085290]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  561.085290]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  561.085290]  free:13705 free_pcp:247 free_cma:0
[  561.087670] Call Trace:
[  561.097062] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  561.130085]  <IRQ>
[  561.132657] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  561.160624]  dump_stack+0x244/0x39d
[  561.162752] lowmem_reserve[]: 0 2818 6321 6321
[  561.188865]  ? dump_stack_print_info.cold.1+0x20/0x20
[  561.192466] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  561.197058]  warn_alloc.cold.116+0xb7/0x1bd
[  561.202216] lowmem_reserve[]: 0 0 3503 3503
[  561.229889]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  561.234188] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  561.238512]  ? lock_downgrade+0x900/0x900
[  561.243336] lowmem_reserve[]: 0 0 0 0
[  561.272233]  ? trace_hardirqs_off+0xb8/0x310
[  561.276352] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  561.280154]  ? trace_hardirqs_off+0xb8/0x310
[  561.284541] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  561.298086]  __alloc_pages_slowpath+0x2651/0x2de0
[  561.302465] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  561.317578]  ? warn_alloc+0x120/0x120
[  561.322375] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  561.336931]  ? print_usage_bug+0xc0/0xc0
[  561.340710] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  561.349540]  ? warn_alloc+0x120/0x120
[  561.353582] 274 total pagecache pages
[  561.362153]  ? warn_alloc+0x120/0x120
[  561.365934] 0 pages in swap cache
[  561.369721]  ? print_usage_bug+0xc0/0xc0
[  561.373498] Swap cache stats: add 0, delete 0, find 0/0
[  561.376952]  ? kvm_clock_read+0x18/0x30
[  561.380991] Free swap  = 0kB
[  561.386348]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  561.390300] Total swap = 0kB
[  561.393312]  ? print_usage_bug+0xc0/0xc0
[  561.398306] 1965979 pages RAM
[  561.401317]  ? __lock_acquire+0x62f/0x4c20
[  561.405354] 0 pages HighMem/MovableOnly
[  561.408458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  561.412664] 342854 pages reserved
[  561.416635]  ? should_fail+0x22d/0xd01
[  561.422147] 0 pages cma reserved
[  561.425593]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  561.429531] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  561.432818]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  561.438161] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  561.444558]  ? __lock_acquire+0x62f/0x4c20
[  561.449638] syz-fuzzer cpuset=/ mems_allowed=0
[  561.459856]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  561.473736]  ? __lock_acquire+0x62f/0x4c20
[  561.477970]  ? should_fail+0x22d/0xd01
[  561.481861]  ? rcu_irq_exit+0x1a2/0x390
[  561.485847]  ? mark_held_locks+0x130/0x130
[  561.490093]  ? mark_held_locks+0x130/0x130
[  561.494334]  ? perf_trace_lock+0x14d/0x7a0
[  561.498583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.504127]  ? check_preemption_disabled+0x48/0x280
[  561.509140]  ? zap_class+0x640/0x640
[  561.512860]  ? debug_smp_processor_id+0x1c/0x20
[  561.517540]  ? perf_trace_lock+0x14d/0x7a0
[  561.521782]  ? check_preemption_disabled+0x48/0x280
[  561.526807]  ? lock_is_held_type+0x210/0x210
[  561.531217]  ? __lock_is_held+0xb5/0x140
[  561.535287]  __alloc_pages_nodemask+0xad8/0xea0
[  561.539957]  ? zap_class+0x640/0x640
[  561.543686]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  561.548718]  ? find_held_lock+0x36/0x1c0
[  561.552793]  ? ____cache_alloc_node+0x1c7/0x1e0
[  561.557469]  ? lock_downgrade+0x900/0x900
[  561.561628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.567175]  cache_grow_begin+0xa5/0x8c0
[  561.571677]  ? do_raw_spin_unlock+0xa7/0x330
[  561.576097]  fallback_alloc+0x204/0x2e0
[  561.580082]  ____cache_alloc_node+0x1c7/0x1e0
[  561.584586]  kmem_cache_alloc_node+0xe3/0x730
[  561.589087]  ? ipv6_get_ifaddr+0x42e/0x620
[  561.593335]  __alloc_skb+0x119/0x770
[  561.597053]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  561.602335]  ? netdev_alloc_frag+0x1f0/0x1f0
[  561.606748]  ? lock_downgrade+0x900/0x900
[  561.610907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.616447]  ? refcount_sub_and_test_checked+0x203/0x310
[  561.621902]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  561.627357]  ? addrconf_rs_timer+0x690/0x690
[  561.631785]  ndisc_alloc_skb+0x144/0x340
[  561.635858]  ndisc_send_rs+0x331/0x6e0
[  561.639755]  addrconf_rs_timer+0x314/0x690
[  561.643997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  561.648253]  call_timer_fn+0x272/0x920
[  561.652146]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  561.656381]  ? process_timeout+0x40/0x40
[  561.660452]  ? __run_timers+0x7da/0xc70
[  561.664431]  ? _raw_spin_unlock_irq+0x27/0x80
[  561.668925]  ? _raw_spin_unlock_irq+0x27/0x80
[  561.673420]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  561.677658]  ? lockdep_hardirqs_on+0x296/0x5b0
[  561.682254]  ? trace_hardirqs_on+0xbd/0x310
[  561.686582]  ? kasan_check_read+0x11/0x20
[  561.690732]  ? __run_timers+0x7da/0xc70
[  561.694713]  ? trace_hardirqs_off_caller+0x310/0x310
[  561.699827]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  561.704068]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  561.708317]  __run_timers+0x7e5/0xc70
[  561.712129]  ? timer_fixup_init+0x70/0x70
[  561.716314]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  561.721332]  ? zap_class+0x640/0x640
[  561.725058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.730600]  ? check_preemption_disabled+0x48/0x280
[  561.735631]  ? debug_smp_processor_id+0x1c/0x20
[  561.740301]  ? perf_trace_lock+0x14d/0x7a0
[  561.744551]  ? find_held_lock+0x36/0x1c0
[  561.748624]  ? zap_class+0x640/0x640
[  561.752347]  ? pvclock_read_flags+0x160/0x160
[  561.756848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.762387]  ? check_preemption_disabled+0x48/0x280
[  561.767448]  ? __lock_is_held+0xb5/0x140
[  561.771600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.777141]  ? check_preemption_disabled+0x48/0x280
[  561.782165]  run_timer_softirq+0x52/0xb0
[  561.786228]  ? rcu_read_lock_sched_held+0x14f/0x180
[  561.791261]  __do_softirq+0x308/0xb7e
[  561.795076]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  561.799574]  ? lock_downgrade+0x900/0x900
[  561.803728]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  561.808845]  ? pvclock_read_flags+0x160/0x160
[  561.813346]  ? lapic_next_event+0x5a/0x90
[  561.817502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.823069]  ? kvm_clock_read+0x18/0x30
[  561.827049]  ? kvm_sched_clock_read+0x9/0x20
[  561.831465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.837007]  ? check_preemption_disabled+0x48/0x280
[  561.842051]  irq_exit+0x17f/0x1c0
[  561.845518]  smp_apic_timer_interrupt+0x1cb/0x760
[  561.850368]  ? smp_reschedule_interrupt+0x109/0x650
[  561.855388]  ? smp_call_function_single_interrupt+0x650/0x650
[  561.861273]  ? interrupt_entry+0xb5/0xc0
[  561.865342]  ? trace_hardirqs_off_caller+0xbb/0x310
[  561.870358]  ? trace_hardirqs_off_caller+0xbb/0x310
[  561.875381]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  561.880225]  ? trace_hardirqs_on_caller+0x310/0x310
[  561.885245]  ? trace_hardirqs_on_caller+0x310/0x310
[  561.890262]  ? task_prio+0x50/0x50
[  561.893808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  561.899352]  ? check_preemption_disabled+0x48/0x280
[  561.904378]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  561.909234]  apic_timer_interrupt+0xf/0x20
[  561.913463]  </IRQ>
[  561.915706] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  561.920641] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  561.939544] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  561.947252] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  561.954525] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  561.961794] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  561.969062] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  561.976356] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  561.983674]  skb_clone+0x1bb/0x500
[  561.987230]  ? skb_split+0x11e0/0x11e0
[  561.991126]  ? debug_smp_processor_id+0x1c/0x20
[  561.995802]  ? perf_trace_lock+0x14d/0x7a0
[  562.000038]  ? __switch_to_asm+0x34/0x70
[  562.004098]  ? __switch_to_asm+0x40/0x70
[  562.008158]  ? __switch_to_asm+0x40/0x70
[  562.012220]  ? __switch_to_asm+0x34/0x70
[  562.016297]  bpf_clone_redirect+0xb9/0x490
[  562.020560]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  562.025511]  ? __sched_text_start+0x8/0x8
[  562.029683]  ? find_held_lock+0x36/0x1c0
[  562.033758]  ? lock_acquire+0x1ed/0x520
[  562.037737]  ? bpf_test_run+0x3cb/0x780
[  562.041720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.047261]  ? check_preemption_disabled+0x48/0x280
[  562.052287]  ? kasan_check_read+0x11/0x20
[  562.056438]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  562.061719]  ? rcu_softirq_qs+0x20/0x20
[  562.065698]  ? preempt_schedule+0x4d/0x60
[  562.069849]  ? ___preempt_schedule+0x16/0x18
[  562.074276]  ? bpf_test_run+0x25d/0x780
[  562.078264]  ? netlink_diag_dump+0x2a0/0x2a0
[  562.082679]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  562.088229]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  562.093001]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  562.097882]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  562.103426]  ? fput+0x130/0x1a0
[  562.106715]  ? __bpf_prog_get+0x9b/0x290
[  562.110785]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  562.115634]  ? bpf_prog_test_run+0x130/0x1a0
[  562.120054]  ? __x64_sys_bpf+0x3d8/0x520
[  562.124119]  ? bpf_prog_get+0x20/0x20
[  562.127945]  ? do_syscall_64+0x1b9/0x820
[  562.132010]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  562.137381]  ? syscall_return_slowpath+0x5e0/0x5e0
[  562.142309]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  562.147162]  ? trace_hardirqs_on_caller+0x310/0x310
[  562.152179]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  562.157199]  ? prepare_exit_to_usermode+0x291/0x3b0
[  562.162224]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  562.167076]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  562.172464] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  562.172564] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  562.179495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  562.179501] Call Trace:
[  562.179523]  <IRQ>
[  562.179544]  dump_stack+0x244/0x39d
[  562.179563]  ? dump_stack_print_info.cold.1+0x20/0x20
[  562.186143] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  562.195400]  warn_alloc.cold.116+0xb7/0x1bd
[  562.197952] syz-executor4 cpuset=syz4 mems_allowed=0
[  562.200100]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  562.233582]  ? lock_downgrade+0x900/0x900
[  562.237743]  ? trace_hardirqs_off+0xb8/0x310
[  562.242160]  ? trace_hardirqs_off+0xb8/0x310
[  562.246581]  __alloc_pages_slowpath+0x2651/0x2de0
[  562.251462]  ? warn_alloc+0x120/0x120
[  562.255268]  ? print_usage_bug+0xc0/0xc0
[  562.259335]  ? warn_alloc+0x120/0x120
[  562.263147]  ? warn_alloc+0x120/0x120
[  562.266953]  ? print_usage_bug+0xc0/0xc0
[  562.271016]  ? kvm_clock_read+0x18/0x30
[  562.274992]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  562.280012]  ? print_usage_bug+0xc0/0xc0
[  562.284079]  ? __lock_acquire+0x62f/0x4c20
[  562.288325]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  562.293875]  ? should_fail+0x22d/0xd01
[  562.297764]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  562.303046]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  562.308156]  ? __lock_acquire+0x62f/0x4c20
[  562.312400]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  562.317514]  ? __lock_acquire+0x62f/0x4c20
[  562.321786]  ? should_fail+0x22d/0xd01
[  562.325674]  ? rcu_irq_exit+0x1a2/0x390
[  562.329662]  ? mark_held_locks+0x130/0x130
[  562.333905]  ? mark_held_locks+0x130/0x130
[  562.338144]  ? perf_trace_lock+0x14d/0x7a0
[  562.342392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.347935]  ? check_preemption_disabled+0x48/0x280
[  562.352953]  ? zap_class+0x640/0x640
[  562.356678]  ? debug_smp_processor_id+0x1c/0x20
[  562.361348]  ? perf_trace_lock+0x14d/0x7a0
[  562.365582]  ? check_preemption_disabled+0x48/0x280
[  562.370613]  ? lock_is_held_type+0x210/0x210
[  562.375025]  ? __lock_is_held+0xb5/0x140
[  562.379095]  __alloc_pages_nodemask+0xad8/0xea0
[  562.383765]  ? zap_class+0x640/0x640
[  562.387485]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  562.392545]  ? find_held_lock+0x36/0x1c0
[  562.396623]  ? ____cache_alloc_node+0x1c7/0x1e0
[  562.401295]  ? lock_downgrade+0x900/0x900
[  562.405455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.411005]  cache_grow_begin+0xa5/0x8c0
[  562.415075]  ? do_raw_spin_unlock+0xa7/0x330
[  562.419494]  fallback_alloc+0x204/0x2e0
[  562.423502]  ____cache_alloc_node+0x1c7/0x1e0
[  562.428024]  kmem_cache_alloc_node+0xe3/0x730
[  562.432536]  ? ipv6_get_ifaddr+0x42e/0x620
[  562.436789]  __alloc_skb+0x119/0x770
[  562.440526]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  562.445811]  ? netdev_alloc_frag+0x1f0/0x1f0
[  562.450250]  ? lock_downgrade+0x900/0x900
[  562.454408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.459956]  ? refcount_sub_and_test_checked+0x203/0x310
[  562.465412]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  562.470877]  ? addrconf_rs_timer+0x690/0x690
[  562.475342]  ndisc_alloc_skb+0x144/0x340
[  562.479442]  ndisc_send_rs+0x331/0x6e0
[  562.483345]  addrconf_rs_timer+0x314/0x690
[  562.487591]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  562.491845]  call_timer_fn+0x272/0x920
[  562.495738]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  562.499975]  ? process_timeout+0x40/0x40
[  562.504055]  ? mark_held_locks+0xc7/0x130
[  562.508207]  ? _raw_spin_unlock_irq+0x27/0x80
[  562.512703]  ? _raw_spin_unlock_irq+0x27/0x80
[  562.517213]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  562.521447]  ? lockdep_hardirqs_on+0x296/0x5b0
[  562.526030]  ? trace_hardirqs_on+0xbd/0x310
[  562.530371]  ? kasan_check_read+0x11/0x20
[  562.534532]  ? __run_timers+0x7da/0xc70
[  562.538529]  ? trace_hardirqs_off_caller+0x310/0x310
[  562.543642]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  562.547895]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  562.552132]  __run_timers+0x7e5/0xc70
[  562.555950]  ? timer_fixup_init+0x70/0x70
[  562.560102]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  562.565123]  ? zap_class+0x640/0x640
[  562.568854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.574393]  ? print_usage_bug+0xc0/0xc0
[  562.578479]  ? debug_smp_processor_id+0x1c/0x20
[  562.583158]  ? perf_trace_lock+0x14d/0x7a0
[  562.587395]  ? find_held_lock+0x36/0x1c0
[  562.591458]  ? zap_class+0x640/0x640
[  562.595175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.600712]  ? check_preemption_disabled+0x48/0x280
[  562.605741]  ? __lock_is_held+0xb5/0x140
[  562.609806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.615343]  ? check_preemption_disabled+0x48/0x280
[  562.620367]  run_timer_softirq+0x52/0xb0
[  562.624428]  ? rcu_read_lock_sched_held+0x14f/0x180
[  562.629445]  __do_softirq+0x308/0xb7e
[  562.633249]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  562.637760]  ? lock_downgrade+0x900/0x900
[  562.641912]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  562.647026]  ? pvclock_read_flags+0x160/0x160
[  562.651569]  ? lapic_next_event+0x5a/0x90
[  562.655740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.661287]  ? kvm_clock_read+0x18/0x30
[  562.665259]  ? kvm_sched_clock_read+0x9/0x20
[  562.669684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.675219]  ? check_preemption_disabled+0x48/0x280
[  562.680250]  irq_exit+0x17f/0x1c0
[  562.683733]  smp_apic_timer_interrupt+0x1cb/0x760
[  562.688589]  ? smp_reschedule_interrupt+0x109/0x650
[  562.693606]  ? smp_call_function_single_interrupt+0x650/0x650
[  562.699527]  ? interrupt_entry+0xb5/0xc0
[  562.703595]  ? trace_hardirqs_off_caller+0xbb/0x310
[  562.708611]  ? trace_hardirqs_off_caller+0xbb/0x310
[  562.713629]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  562.718485]  ? trace_hardirqs_on_caller+0x310/0x310
[  562.723541]  ? trace_hardirqs_on_caller+0x310/0x310
[  562.728572]  ? task_prio+0x50/0x50
[  562.732118]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  562.737656]  ? check_preemption_disabled+0x48/0x280
[  562.742680]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  562.747546]  apic_timer_interrupt+0xf/0x20
[  562.751791]  </IRQ>
[  562.754075] RIP: 0010:console_unlock+0x102f/0x1190
[  562.759009] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  562.777909] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  562.785615] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  562.792881] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  562.800151] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  562.807415] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  562.814680] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  562.821955]  ? netconsole_netdev_event+0x280/0x280
[  562.826910]  ? console_unlock+0x1026/0x1190
[  562.831253]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  562.835922]  ? vprintk_emit+0x846/0x990
[  562.839915]  ? lock_release+0xa00/0xa00
[  562.843909]  ? trace_hardirqs_on+0x30/0x310
[  562.848234]  ? vprintk_default+0x28/0x30
[  562.852301]  ? trace_hardirqs_off_caller+0x310/0x310
[  562.857407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.862952]  vprintk_emit+0x391/0x990
[  562.866767]  ? wake_up_klogd+0x180/0x180
[  562.870841]  ? find_held_lock+0x31/0x1c0
[  562.874924]  ? mark_held_locks+0xc7/0x130
[  562.879077]  ? _raw_spin_unlock_irq+0x27/0x80
[  562.883570]  ? _raw_spin_unlock_irq+0x27/0x80
[  562.888072]  vprintk_default+0x28/0x30
[  562.891962]  vprintk_func+0x7e/0x181
[  562.895679]  printk+0xa7/0xcf
[  562.898785]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  562.903555]  ? _raw_spin_unlock_irq+0x60/0x80
[  562.908064]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  562.913356]  dump_header+0x7cc/0xf72
[  562.917076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.922636]  ? check_preemption_disabled+0x48/0x280
[  562.927657]  ? pagefault_out_of_memory+0x197/0x197
[  562.932592]  ? debug_smp_processor_id+0x1c/0x20
[  562.937260]  ? perf_trace_lock+0x14d/0x7a0
[  562.941499]  ? mark_held_locks+0x130/0x130
[  562.945757]  ? lock_is_held_type+0x210/0x210
[  562.950177]  ? debug_smp_processor_id+0x1c/0x20
[  562.954854]  ? zap_class+0x640/0x640
[  562.958584]  ? lock_is_held_type+0x210/0x210
[  562.962996]  ? perf_trace_lock+0x14d/0x7a0
[  562.967237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  562.972782]  ? find_held_lock+0x36/0x1c0
[  562.976859]  ? mark_held_locks+0xc7/0x130
[  562.981012]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  562.986112]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  562.991215]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  562.995803]  ? trace_hardirqs_on+0xbd/0x310
[  563.000129]  ? kasan_check_read+0x11/0x20
[  563.004278]  ? ___ratelimit+0x3b4/0x672
[  563.008259]  ? trace_hardirqs_off_caller+0x310/0x310
[  563.013846]  ? trace_hardirqs_on+0x310/0x310
[  563.018264]  ? lock_downgrade+0x900/0x900
[  563.022422]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  563.027538]  ? ___ratelimit+0x3b9/0x672
[  563.031530]  ? idr_get_free+0xf70/0xf70
[  563.035523]  ? lock_is_held_type+0x210/0x210
[  563.039943]  oom_kill_process.cold.27+0x10/0x903
[  563.044701]  ? zap_class+0x640/0x640
[  563.048417]  ? _raw_spin_unlock+0x2c/0x50
[  563.052566]  ? oom_badness+0xe6/0xaa0
[  563.056379]  ? oom_evaluate_task+0x540/0x540
[  563.060793]  ? find_held_lock+0x36/0x1c0
[  563.064869]  ? out_of_memory+0x974/0x1430
[  563.069019]  ? lock_downgrade+0x900/0x900
[  563.073168]  ? check_preemption_disabled+0x48/0x280
[  563.078192]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  563.083129]  ? kasan_check_read+0x11/0x20
[  563.087282]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  563.092586]  ? rcu_softirq_qs+0x20/0x20
[  563.096612]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  563.101639]  ? oom_evaluate_task+0x302/0x540
[  563.106054]  out_of_memory+0xa84/0x1430
[  563.110038]  ? oom_killer_disable+0x3a0/0x3a0
[  563.114549]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  563.119486]  ? __ww_mutex_check_waiters+0x160/0x160
[  563.124546]  __alloc_pages_slowpath+0x232c/0x2de0
[  563.129425]  ? warn_alloc+0x120/0x120
[  563.133228]  ? mark_held_locks+0x130/0x130
[  563.137468]  ? find_get_entry+0xaae/0x1120
[  563.141834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  563.147375]  ? check_preemption_disabled+0x48/0x280
[  563.152394]  ? filemap_map_pages+0x1a20/0x1a20
[  563.156987]  ? debug_smp_processor_id+0x1c/0x20
[  563.161658]  ? perf_trace_lock+0x14d/0x7a0
[  563.165904]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  563.171472]  ? should_fail+0x22d/0xd01
[  563.175377]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  563.180485]  ? zap_class+0x640/0x640
[  563.184260]  ? __lock_is_held+0xb5/0x140
[  563.188334]  ? mark_held_locks+0x130/0x130
[  563.192577]  ? lock_release+0xa00/0xa00
[  563.196556]  ? perf_trace_sched_process_exec+0x860/0x860
[  563.202006]  ? xa_load+0x2ba/0x460
[  563.205552]  ? lock_downgrade+0x900/0x900
[  563.209726]  ? __might_sleep+0x95/0x190
[  563.213723]  __alloc_pages_nodemask+0xad8/0xea0
[  563.218416]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  563.223437]  ? __page_cache_alloc+0x191/0x5c0
[  563.227934]  ? xa_load+0x2e1/0x460
[  563.231478]  ? xa_clear_mark+0x40/0x40
[  563.235381]  ? zap_class+0x640/0x640
[  563.239104]  ? zap_class+0x640/0x640
[  563.242820]  ? zap_class+0x640/0x640
[  563.246546]  ? __do_page_cache_readahead+0x663/0x810
[  563.251672]  ? find_held_lock+0x36/0x1c0
[  563.255740]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  563.261290]  alloc_pages_current+0x173/0x350
[  563.265709]  __page_cache_alloc+0x38c/0x5c0
[  563.270028]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  563.274994]  ? kasan_check_read+0x11/0x20
[  563.279144]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  563.284423]  ? generic_perform_write+0x6a0/0x6a0
[  563.289197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  563.294733]  ? check_preemption_disabled+0x48/0x280
[  563.299763]  filemap_fault+0x1595/0x25f0
[  563.303844]  ? __lock_page_or_retry+0xa00/0xa00
[  563.308529]  ? mark_held_locks+0x130/0x130
[  563.312781]  ? filemap_map_pages+0xd6b/0x1a20
[  563.317282]  ? lock_downgrade+0x900/0x900
[  563.321443]  ? check_preemption_disabled+0x48/0x280
[  563.326463]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  563.331390]  ? kasan_check_read+0x11/0x20
[  563.335550]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  563.340831]  ? rcu_softirq_qs+0x20/0x20
[  563.344820]  ? filemap_map_pages+0xd92/0x1a20
[  563.349343]  ? find_get_entries_tag+0x1400/0x1400
[  563.354188]  ? debug_object_destroy+0x2b0/0x2b0
[  563.358860]  ? lock_pi_update_atomic+0x150/0x150
[  563.363614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  563.369181]  ? lock_acquire+0x1ed/0x520
[  563.373153]  ? ext4_filemap_fault+0x7a/0xad
[  563.377482]  ? lock_release+0xa00/0xa00
[  563.381480]  ? perf_trace_sched_process_exec+0x860/0x860
[  563.386967]  ? print_usage_bug+0xc0/0xc0
[  563.391027]  ? print_usage_bug+0xc0/0xc0
[  563.395114]  ? down_read+0x8d/0x120
[  563.398739]  ? ext4_filemap_fault+0x7a/0xad
[  563.403065]  ? __down_interruptible+0x700/0x700
[  563.407765]  ext4_filemap_fault+0x82/0xad
[  563.411930]  __do_fault+0x100/0x6b0
[  563.415564]  ? pmd_devmap_trans_unstable+0x220/0x220
[  563.420670]  ? mark_held_locks+0x130/0x130
[  563.424907]  ? mark_held_locks+0x130/0x130
[  563.429142]  ? debug_smp_processor_id+0x1c/0x20
[  563.433815]  ? perf_trace_lock+0x14d/0x7a0
[  563.438063]  ? lock_downgrade+0x900/0x900
[  563.442231]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  563.447772]  __handle_mm_fault+0x3ea0/0x5be0
[  563.452190]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  563.457031]  ? lock_is_held_type+0x210/0x210
[  563.461446]  ? file_remove_privs+0x540/0x540
[  563.465851]  ? file_remove_privs+0x540/0x540
[  563.470280]  ? zap_class+0x640/0x640
[  563.473993]  ? zap_class+0x640/0x640
[  563.477709]  ? __x64_sys_futex+0x53e/0x6a0
[  563.481949]  ? find_held_lock+0x36/0x1c0
[  563.486020]  ? handle_mm_fault+0x42a/0xc70
[  563.490285]  ? lock_downgrade+0x900/0x900
[  563.494433]  ? check_preemption_disabled+0x48/0x280
[  563.499458]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  563.504400]  ? kasan_check_read+0x11/0x20
[  563.508566]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  563.513843]  ? rcu_softirq_qs+0x20/0x20
[  563.517821]  ? trace_hardirqs_off_caller+0x310/0x310
[  563.522927]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  563.528471]  ? check_preemption_disabled+0x48/0x280
[  563.533500]  handle_mm_fault+0x54f/0xc70
[  563.537582]  ? __handle_mm_fault+0x5be0/0x5be0
[  563.542186]  ? find_vma+0x34/0x190
[  563.545736]  __do_page_fault+0x5e8/0xe60
[  563.549796]  ? trace_hardirqs_off+0xb8/0x310
[  563.554232]  do_page_fault+0xf2/0x7e0
[  563.558047]  ? vmalloc_sync_all+0x30/0x30
[  563.562196]  ? error_entry+0x70/0xd0
[  563.565921]  ? trace_hardirqs_off_caller+0xbb/0x310
[  563.570939]  ? trace_hardirqs_on_caller+0xc0/0x310
[  563.575914]  ? syscall_return_slowpath+0x5e0/0x5e0
[  563.580846]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  563.585687]  ? trace_hardirqs_on_caller+0x310/0x310
[  563.590706]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  563.596163]  ? prepare_exit_to_usermode+0x291/0x3b0
[  563.601176]  ? page_fault+0x8/0x30
[  563.604723]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  563.609569]  ? page_fault+0x8/0x30
[  563.613109]  page_fault+0x1e/0x30
[  563.616556] RIP: 0033:0x45ddf3
[  563.619773] Code: Bad RIP value.
[  563.623138] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  563.628503] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  563.635784] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  563.643051] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  563.650319] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  563.657583] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  563.664879] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  563.664885] warn_alloc_show_mem: 1 callbacks suppressed
[  563.664893] Mem-Info:
[  563.672248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  563.677620] active_anon:147110 inactive_anon:190 isolated_anon:0
[  563.677620]  active_file:13 inactive_file:13 isolated_file:2
[  563.677620]  unevictable:1 dirty:0 writeback:0 unstable:0
[  563.677620]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  563.677620]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  563.677620]  free:13705 free_pcp:247 free_cma:0
[  563.679996] Call Trace:
[  563.689388] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  563.722402]  <IRQ>
[  563.724974] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  563.752465]  dump_stack+0x244/0x39d
[  563.754590] lowmem_reserve[]: 0 2818 6321 6321
[  563.780695]  ? dump_stack_print_info.cold.1+0x20/0x20
[  563.784296] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  563.788946]  warn_alloc.cold.116+0xb7/0x1bd
[  563.794118] lowmem_reserve[]: 0 0 3503 3503
[  563.821785]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  563.826083] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  563.830399]  ? lock_downgrade+0x900/0x900
[  563.835216] lowmem_reserve[]: 0 0 0 0
[  563.864099]  ? trace_hardirqs_off+0xb8/0x310
[  563.868220] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  563.872015]  ? trace_hardirqs_off+0xb8/0x310
[  563.876401] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  563.889921]  __alloc_pages_slowpath+0x2651/0x2de0
[  563.894304] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  563.909410]  ? warn_alloc+0x120/0x120
[  563.914211] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  563.928765]  ? print_usage_bug+0xc0/0xc0
[  563.932554] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  563.941374]  ? warn_alloc+0x120/0x120
[  563.945415] 274 total pagecache pages
[  563.953987]  ? warn_alloc+0x120/0x120
[  563.957775] 0 pages in swap cache
[  563.961566]  ? print_usage_bug+0xc0/0xc0
[  563.965349] Swap cache stats: add 0, delete 0, find 0/0
[  563.968795]  ? kvm_clock_read+0x18/0x30
[  563.972835] Free swap  = 0kB
[  563.978191]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  563.982142] Total swap = 0kB
[  563.985170]  ? print_usage_bug+0xc0/0xc0
[  563.990161] 1965979 pages RAM
[  563.993173]  ? __lock_acquire+0x62f/0x4c20
[  563.997224] 0 pages HighMem/MovableOnly
[  564.000366]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  564.004576] 342854 pages reserved
[  564.008550]  ? should_fail+0x22d/0xd01
[  564.014075] 0 pages cma reserved
[  564.017535]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  564.021477] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  564.024757]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  564.030237] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  564.036539]  ? __lock_acquire+0x62f/0x4c20
[  564.041639] syz-fuzzer cpuset=/ mems_allowed=0
[  564.051861]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  564.065742]  ? __lock_acquire+0x62f/0x4c20
[  564.069979]  ? should_fail+0x22d/0xd01
[  564.073871]  ? rcu_irq_exit+0x1a2/0x390
[  564.077858]  ? mark_held_locks+0x130/0x130
[  564.082103]  ? mark_held_locks+0x130/0x130
[  564.086338]  ? perf_trace_lock+0x14d/0x7a0
[  564.090586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.096129]  ? check_preemption_disabled+0x48/0x280
[  564.101147]  ? zap_class+0x640/0x640
[  564.104869]  ? debug_smp_processor_id+0x1c/0x20
[  564.109571]  ? perf_trace_lock+0x14d/0x7a0
[  564.113808]  ? check_preemption_disabled+0x48/0x280
[  564.118835]  ? lock_is_held_type+0x210/0x210
[  564.123251]  ? __lock_is_held+0xb5/0x140
[  564.127329]  __alloc_pages_nodemask+0xad8/0xea0
[  564.131999]  ? zap_class+0x640/0x640
[  564.135727]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  564.141129]  ? find_held_lock+0x36/0x1c0
[  564.145210]  ? ____cache_alloc_node+0x1c7/0x1e0
[  564.149883]  ? lock_downgrade+0x900/0x900
[  564.154049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.159600]  cache_grow_begin+0xa5/0x8c0
[  564.163678]  ? do_raw_spin_unlock+0xa7/0x330
[  564.168101]  fallback_alloc+0x204/0x2e0
[  564.172083]  ____cache_alloc_node+0x1c7/0x1e0
[  564.176587]  kmem_cache_alloc_node+0xe3/0x730
[  564.181089]  ? ipv6_get_ifaddr+0x42e/0x620
[  564.185343]  __alloc_skb+0x119/0x770
[  564.189055]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  564.194343]  ? netdev_alloc_frag+0x1f0/0x1f0
[  564.198756]  ? lock_downgrade+0x900/0x900
[  564.202913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.208486]  ? refcount_sub_and_test_checked+0x203/0x310
[  564.213948]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  564.219401]  ? addrconf_rs_timer+0x690/0x690
[  564.223828]  ndisc_alloc_skb+0x144/0x340
[  564.227899]  ndisc_send_rs+0x331/0x6e0
[  564.231792]  addrconf_rs_timer+0x314/0x690
[  564.236042]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  564.240642]  call_timer_fn+0x272/0x920
[  564.244539]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  564.248782]  ? process_timeout+0x40/0x40
[  564.252857]  ? __run_timers+0x7da/0xc70
[  564.256841]  ? _raw_spin_unlock_irq+0x27/0x80
[  564.261349]  ? _raw_spin_unlock_irq+0x27/0x80
[  564.265844]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  564.270097]  ? lockdep_hardirqs_on+0x296/0x5b0
[  564.274681]  ? trace_hardirqs_on+0xbd/0x310
[  564.279006]  ? kasan_check_read+0x11/0x20
[  564.283161]  ? __run_timers+0x7da/0xc70
[  564.287137]  ? trace_hardirqs_off_caller+0x310/0x310
[  564.292245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  564.296492]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  564.300732]  __run_timers+0x7e5/0xc70
[  564.304551]  ? timer_fixup_init+0x70/0x70
[  564.308703]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  564.313729]  ? zap_class+0x640/0x640
[  564.317489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.323057]  ? check_preemption_disabled+0x48/0x280
[  564.328080]  ? debug_smp_processor_id+0x1c/0x20
[  564.332748]  ? perf_trace_lock+0x14d/0x7a0
[  564.336988]  ? find_held_lock+0x36/0x1c0
[  564.341060]  ? zap_class+0x640/0x640
[  564.344780]  ? pvclock_read_flags+0x160/0x160
[  564.349280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.354819]  ? check_preemption_disabled+0x48/0x280
[  564.359852]  ? __lock_is_held+0xb5/0x140
[  564.363919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.369473]  ? check_preemption_disabled+0x48/0x280
[  564.374504]  run_timer_softirq+0x52/0xb0
[  564.378574]  ? rcu_read_lock_sched_held+0x14f/0x180
[  564.383590]  __do_softirq+0x308/0xb7e
[  564.387412]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  564.391906]  ? lock_downgrade+0x900/0x900
[  564.396072]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  564.401183]  ? pvclock_read_flags+0x160/0x160
[  564.405681]  ? lapic_next_event+0x5a/0x90
[  564.409835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.415381]  ? kvm_clock_read+0x18/0x30
[  564.419360]  ? kvm_sched_clock_read+0x9/0x20
[  564.423789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.429361]  ? check_preemption_disabled+0x48/0x280
[  564.434432]  irq_exit+0x17f/0x1c0
[  564.437900]  smp_apic_timer_interrupt+0x1cb/0x760
[  564.442775]  ? smp_reschedule_interrupt+0x109/0x650
[  564.447790]  ? smp_call_function_single_interrupt+0x650/0x650
[  564.453672]  ? interrupt_entry+0xb5/0xc0
[  564.457734]  ? trace_hardirqs_off_caller+0xbb/0x310
[  564.462769]  ? trace_hardirqs_off_caller+0xbb/0x310
[  564.467793]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  564.472639]  ? trace_hardirqs_on_caller+0x310/0x310
[  564.477657]  ? trace_hardirqs_on_caller+0x310/0x310
[  564.482674]  ? task_prio+0x50/0x50
[  564.486244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.491797]  ? check_preemption_disabled+0x48/0x280
[  564.496820]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  564.501690]  apic_timer_interrupt+0xf/0x20
[  564.505917]  </IRQ>
[  564.508155] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  564.513083] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  564.531999] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  564.539710] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  564.546979] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  564.554246] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  564.561519] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  564.568794] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  564.576109]  skb_clone+0x1bb/0x500
[  564.579655]  ? skb_split+0x11e0/0x11e0
[  564.583563]  ? debug_smp_processor_id+0x1c/0x20
[  564.588237]  ? perf_trace_lock+0x14d/0x7a0
[  564.592473]  ? __switch_to_asm+0x34/0x70
[  564.596556]  ? __switch_to_asm+0x40/0x70
[  564.600616]  ? __switch_to_asm+0x40/0x70
[  564.604701]  ? __switch_to_asm+0x34/0x70
[  564.608770]  bpf_clone_redirect+0xb9/0x490
[  564.613022]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  564.617987]  ? __sched_text_start+0x8/0x8
[  564.622152]  ? find_held_lock+0x36/0x1c0
[  564.626234]  ? lock_acquire+0x1ed/0x520
[  564.630225]  ? bpf_test_run+0x3cb/0x780
[  564.634228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.639770]  ? check_preemption_disabled+0x48/0x280
[  564.644791]  ? kasan_check_read+0x11/0x20
[  564.648942]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  564.654216]  ? rcu_softirq_qs+0x20/0x20
[  564.658203]  ? preempt_schedule+0x4d/0x60
[  564.662356]  ? ___preempt_schedule+0x16/0x18
[  564.666776]  ? bpf_test_run+0x25d/0x780
[  564.670766]  ? netlink_diag_dump+0x2a0/0x2a0
[  564.675179]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  564.680728]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  564.685499]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  564.690351]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  564.695892]  ? fput+0x130/0x1a0
[  564.699181]  ? __bpf_prog_get+0x9b/0x290
[  564.703246]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  564.708103]  ? bpf_prog_test_run+0x130/0x1a0
[  564.712525]  ? __x64_sys_bpf+0x3d8/0x520
[  564.716602]  ? bpf_prog_get+0x20/0x20
[  564.720426]  ? do_syscall_64+0x1b9/0x820
[  564.724504]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  564.729899]  ? syscall_return_slowpath+0x5e0/0x5e0
[  564.734826]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  564.739674]  ? trace_hardirqs_on_caller+0x310/0x310
[  564.744692]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  564.749741]  ? prepare_exit_to_usermode+0x291/0x3b0
[  564.754769]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  564.759620]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  564.765035] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  564.765137] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  564.772076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  564.772082] Call Trace:
[  564.772088]  <IRQ>
[  564.772105]  dump_stack+0x244/0x39d
[  564.772126]  ? dump_stack_print_info.cold.1+0x20/0x20
[  564.778680] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  564.787954]  warn_alloc.cold.116+0xb7/0x1bd
[  564.790531] syz-executor4 cpuset=syz4 mems_allowed=0
[  564.792680]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  564.826177]  ? lock_downgrade+0x900/0x900
[  564.830352]  ? trace_hardirqs_off+0xb8/0x310
[  564.834772]  ? trace_hardirqs_off+0xb8/0x310
[  564.839197]  __alloc_pages_slowpath+0x2651/0x2de0
[  564.844102]  ? warn_alloc+0x120/0x120
[  564.847920]  ? print_usage_bug+0xc0/0xc0
[  564.851983]  ? warn_alloc+0x120/0x120
[  564.855793]  ? warn_alloc+0x120/0x120
[  564.859597]  ? print_usage_bug+0xc0/0xc0
[  564.863676]  ? kvm_clock_read+0x18/0x30
[  564.867653]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  564.872680]  ? print_usage_bug+0xc0/0xc0
[  564.876746]  ? __lock_acquire+0x62f/0x4c20
[  564.880994]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  564.886559]  ? should_fail+0x22d/0xd01
[  564.890450]  ? __lock_acquire+0x62f/0x4c20
[  564.894718]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  564.899833]  ? __lock_acquire+0x62f/0x4c20
[  564.904081]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  564.909185]  ? __lock_acquire+0x62f/0x4c20
[  564.913422]  ? should_fail+0x22d/0xd01
[  564.917322]  ? mark_held_locks+0x130/0x130
[  564.921588]  ? mark_held_locks+0x130/0x130
[  564.925840]  ? check_preemption_disabled+0x48/0x280
[  564.930884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.936423]  ? check_preemption_disabled+0x48/0x280
[  564.941436]  ? zap_class+0x640/0x640
[  564.945159]  ? debug_smp_processor_id+0x1c/0x20
[  564.949828]  ? perf_trace_lock+0x14d/0x7a0
[  564.954067]  ? check_preemption_disabled+0x48/0x280
[  564.959094]  ? lock_is_held_type+0x210/0x210
[  564.963524]  ? __lock_is_held+0xb5/0x140
[  564.967598]  __alloc_pages_nodemask+0xad8/0xea0
[  564.972281]  ? zap_class+0x640/0x640
[  564.976018]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  564.981049]  ? find_held_lock+0x36/0x1c0
[  564.985125]  ? ____cache_alloc_node+0x1c7/0x1e0
[  564.989885]  ? lock_downgrade+0x900/0x900
[  564.994064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  564.999606]  cache_grow_begin+0xa5/0x8c0
[  565.003669]  ? do_raw_spin_unlock+0xa7/0x330
[  565.008101]  fallback_alloc+0x204/0x2e0
[  565.012230]  ____cache_alloc_node+0x1c7/0x1e0
[  565.016747]  kmem_cache_alloc_node+0xe3/0x730
[  565.021254]  ? ipv6_get_ifaddr+0x42e/0x620
[  565.025515]  __alloc_skb+0x119/0x770
[  565.029236]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  565.034544]  ? netdev_alloc_frag+0x1f0/0x1f0
[  565.038954]  ? lock_downgrade+0x900/0x900
[  565.043116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.048660]  ? refcount_sub_and_test_checked+0x203/0x310
[  565.054115]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  565.059569]  ? addrconf_rs_timer+0x690/0x690
[  565.063994]  ndisc_alloc_skb+0x144/0x340
[  565.068075]  ndisc_send_rs+0x331/0x6e0
[  565.072002]  addrconf_rs_timer+0x314/0x690
[  565.076274]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  565.080559]  call_timer_fn+0x272/0x920
[  565.084470]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  565.088710]  ? process_timeout+0x40/0x40
[  565.092785]  ? mark_held_locks+0xc7/0x130
[  565.096964]  ? _raw_spin_unlock_irq+0x27/0x80
[  565.101456]  ? _raw_spin_unlock_irq+0x27/0x80
[  565.105948]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  565.110185]  ? lockdep_hardirqs_on+0x296/0x5b0
[  565.114786]  ? trace_hardirqs_on+0xbd/0x310
[  565.119111]  ? kasan_check_read+0x11/0x20
[  565.123260]  ? __run_timers+0x7da/0xc70
[  565.127242]  ? trace_hardirqs_off_caller+0x310/0x310
[  565.132372]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  565.136623]  __run_timers+0x7e5/0xc70
[  565.141490]  ? timer_fixup_init+0x70/0x70
[  565.145655]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  565.150674]  ? zap_class+0x640/0x640
[  565.154395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.159938]  ? print_usage_bug+0xc0/0xc0
[  565.164007]  ? debug_smp_processor_id+0x1c/0x20
[  565.168681]  ? perf_trace_lock+0x14d/0x7a0
[  565.172938]  ? find_held_lock+0x36/0x1c0
[  565.177018]  ? zap_class+0x640/0x640
[  565.180745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.186313]  ? check_preemption_disabled+0x48/0x280
[  565.191338]  ? __lock_is_held+0xb5/0x140
[  565.195432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.200985]  ? check_preemption_disabled+0x48/0x280
[  565.206007]  run_timer_softirq+0x52/0xb0
[  565.210069]  ? rcu_read_lock_sched_held+0x14f/0x180
[  565.215087]  __do_softirq+0x308/0xb7e
[  565.218896]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  565.223396]  ? lock_downgrade+0x900/0x900
[  565.227564]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  565.232675]  ? pvclock_read_flags+0x160/0x160
[  565.237178]  ? lapic_next_event+0x5a/0x90
[  565.241361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.246907]  ? kvm_clock_read+0x18/0x30
[  565.250899]  ? kvm_sched_clock_read+0x9/0x20
[  565.255315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.260858]  ? check_preemption_disabled+0x48/0x280
[  565.265890]  irq_exit+0x17f/0x1c0
[  565.269349]  smp_apic_timer_interrupt+0x1cb/0x760
[  565.274195]  ? smp_reschedule_interrupt+0x109/0x650
[  565.279225]  ? smp_call_function_single_interrupt+0x650/0x650
[  565.285138]  ? interrupt_entry+0xb5/0xc0
[  565.289235]  ? trace_hardirqs_off_caller+0xbb/0x310
[  565.294256]  ? trace_hardirqs_off_caller+0xbb/0x310
[  565.299274]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  565.304121]  ? trace_hardirqs_on_caller+0x310/0x310
[  565.309139]  ? trace_hardirqs_on_caller+0x310/0x310
[  565.314158]  ? task_prio+0x50/0x50
[  565.317716]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  565.323266]  ? check_preemption_disabled+0x48/0x280
[  565.328305]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  565.333169]  apic_timer_interrupt+0xf/0x20
[  565.337412]  </IRQ>
[  565.339663] RIP: 0010:console_unlock+0x102f/0x1190
[  565.344594] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  565.363490] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  565.371211] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  565.378476] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  565.385788] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  565.393054] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  565.400319] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  565.407612]  ? netconsole_netdev_event+0x280/0x280
[  565.412558]  ? console_unlock+0x1026/0x1190
[  565.416902]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  565.421588]  ? vprintk_emit+0x846/0x990
[  565.425582]  ? lock_release+0xa00/0xa00
[  565.429563]  ? trace_hardirqs_on+0x30/0x310
[  565.433888]  ? vprintk_default+0x28/0x30
[  565.437951]  ? trace_hardirqs_off_caller+0x310/0x310
[  565.443408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.448953]  vprintk_emit+0x391/0x990
[  565.452763]  ? wake_up_klogd+0x180/0x180
[  565.456831]  ? find_held_lock+0x31/0x1c0
[  565.460904]  ? mark_held_locks+0xc7/0x130
[  565.465083]  ? _raw_spin_unlock_irq+0x27/0x80
[  565.469582]  ? _raw_spin_unlock_irq+0x27/0x80
[  565.474088]  vprintk_default+0x28/0x30
[  565.477980]  vprintk_func+0x7e/0x181
[  565.481697]  printk+0xa7/0xcf
[  565.484803]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  565.489579]  ? _raw_spin_unlock_irq+0x60/0x80
[  565.494088]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  565.499374]  dump_header+0x7cc/0xf72
[  565.503094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.508636]  ? check_preemption_disabled+0x48/0x280
[  565.513680]  ? pagefault_out_of_memory+0x197/0x197
[  565.518628]  ? debug_smp_processor_id+0x1c/0x20
[  565.523328]  ? perf_trace_lock+0x14d/0x7a0
[  565.527583]  ? mark_held_locks+0x130/0x130
[  565.531824]  ? lock_is_held_type+0x210/0x210
[  565.536257]  ? debug_smp_processor_id+0x1c/0x20
[  565.540945]  ? zap_class+0x640/0x640
[  565.544670]  ? lock_is_held_type+0x210/0x210
[  565.549079]  ? perf_trace_lock+0x14d/0x7a0
[  565.553324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.558865]  ? find_held_lock+0x36/0x1c0
[  565.562959]  ? mark_held_locks+0xc7/0x130
[  565.567110]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  565.572215]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  565.577322]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  565.581912]  ? trace_hardirqs_on+0xbd/0x310
[  565.586244]  ? kasan_check_read+0x11/0x20
[  565.590414]  ? ___ratelimit+0x3b4/0x672
[  565.594388]  ? trace_hardirqs_off_caller+0x310/0x310
[  565.599494]  ? trace_hardirqs_on+0x310/0x310
[  565.603916]  ? lock_downgrade+0x900/0x900
[  565.608083]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  565.613191]  ? ___ratelimit+0x3b9/0x672
[  565.617170]  ? idr_get_free+0xf70/0xf70
[  565.621151]  ? lock_is_held_type+0x210/0x210
[  565.625574]  oom_kill_process.cold.27+0x10/0x903
[  565.630373]  ? zap_class+0x640/0x640
[  565.634093]  ? _raw_spin_unlock+0x2c/0x50
[  565.638241]  ? oom_badness+0xe6/0xaa0
[  565.642063]  ? oom_evaluate_task+0x540/0x540
[  565.646477]  ? find_held_lock+0x36/0x1c0
[  565.650560]  ? out_of_memory+0x974/0x1430
[  565.654714]  ? lock_downgrade+0x900/0x900
[  565.658867]  ? check_preemption_disabled+0x48/0x280
[  565.663903]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  565.668835]  ? kasan_check_read+0x11/0x20
[  565.672979]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  565.678254]  ? rcu_softirq_qs+0x20/0x20
[  565.682250]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  565.687272]  ? oom_evaluate_task+0x302/0x540
[  565.691685]  out_of_memory+0xa84/0x1430
[  565.695673]  ? oom_killer_disable+0x3a0/0x3a0
[  565.700169]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  565.705105]  ? __ww_mutex_check_waiters+0x160/0x160
[  565.710134]  __alloc_pages_slowpath+0x232c/0x2de0
[  565.715013]  ? warn_alloc+0x120/0x120
[  565.718813]  ? mark_held_locks+0x130/0x130
[  565.723056]  ? find_get_entry+0xaae/0x1120
[  565.727300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.732837]  ? check_preemption_disabled+0x48/0x280
[  565.737851]  ? filemap_map_pages+0x1a20/0x1a20
[  565.742458]  ? debug_smp_processor_id+0x1c/0x20
[  565.747145]  ? perf_trace_lock+0x14d/0x7a0
[  565.751394]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  565.756948]  ? should_fail+0x22d/0xd01
[  565.760841]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  565.765946]  ? zap_class+0x640/0x640
[  565.769689]  ? __lock_is_held+0xb5/0x140
[  565.773765]  ? mark_held_locks+0x130/0x130
[  565.778038]  ? lock_release+0xa00/0xa00
[  565.782015]  ? perf_trace_sched_process_exec+0x860/0x860
[  565.787470]  ? xa_load+0x2ba/0x460
[  565.791011]  ? lock_downgrade+0x900/0x900
[  565.795165]  ? __might_sleep+0x95/0x190
[  565.799150]  __alloc_pages_nodemask+0xad8/0xea0
[  565.803827]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  565.808849]  ? __page_cache_alloc+0x191/0x5c0
[  565.813344]  ? xa_load+0x2e1/0x460
[  565.816888]  ? xa_clear_mark+0x40/0x40
[  565.820807]  ? zap_class+0x640/0x640
[  565.824545]  ? zap_class+0x640/0x640
[  565.828259]  ? zap_class+0x640/0x640
[  565.831973]  ? __do_page_cache_readahead+0x663/0x810
[  565.837092]  ? find_held_lock+0x36/0x1c0
[  565.841161]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  565.846722]  alloc_pages_current+0x173/0x350
[  565.851135]  __page_cache_alloc+0x38c/0x5c0
[  565.855455]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  565.860382]  ? kasan_check_read+0x11/0x20
[  565.864543]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  565.869823]  ? generic_perform_write+0x6a0/0x6a0
[  565.874580]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  565.880116]  ? check_preemption_disabled+0x48/0x280
[  565.885142]  filemap_fault+0x1595/0x25f0
[  565.889218]  ? __lock_page_or_retry+0xa00/0xa00
[  565.893898]  ? mark_held_locks+0x130/0x130
[  565.898147]  ? filemap_map_pages+0xd6b/0x1a20
[  565.902646]  ? lock_downgrade+0x900/0x900
[  565.906793]  ? check_preemption_disabled+0x48/0x280
[  565.911826]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  565.916755]  ? kasan_check_read+0x11/0x20
[  565.920902]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  565.926177]  ? rcu_softirq_qs+0x20/0x20
[  565.930183]  ? filemap_map_pages+0xd92/0x1a20
[  565.934692]  ? find_get_entries_tag+0x1400/0x1400
[  565.939549]  ? debug_object_destroy+0x2b0/0x2b0
[  565.944225]  ? lock_pi_update_atomic+0x150/0x150
[  565.949012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  565.954573]  ? lock_acquire+0x1ed/0x520
[  565.958555]  ? ext4_filemap_fault+0x7a/0xad
[  565.962883]  ? lock_release+0xa00/0xa00
[  565.966859]  ? perf_trace_sched_process_exec+0x860/0x860
[  565.972315]  ? print_usage_bug+0xc0/0xc0
[  565.976384]  ? print_usage_bug+0xc0/0xc0
[  565.980462]  ? down_read+0x8d/0x120
[  565.984087]  ? ext4_filemap_fault+0x7a/0xad
[  565.988420]  ? __down_interruptible+0x700/0x700
[  565.993123]  ext4_filemap_fault+0x82/0xad
[  565.997292]  __do_fault+0x100/0x6b0
[  566.000950]  ? pmd_devmap_trans_unstable+0x220/0x220
[  566.006059]  ? mark_held_locks+0x130/0x130
[  566.010800]  ? mark_held_locks+0x130/0x130
[  566.015041]  ? debug_smp_processor_id+0x1c/0x20
[  566.019709]  ? perf_trace_lock+0x14d/0x7a0
[  566.023947]  ? lock_downgrade+0x900/0x900
[  566.028098]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  566.033641]  __handle_mm_fault+0x3ea0/0x5be0
[  566.038064]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  566.042926]  ? lock_is_held_type+0x210/0x210
[  566.047353]  ? file_remove_privs+0x540/0x540
[  566.051759]  ? file_remove_privs+0x540/0x540
[  566.056184]  ? zap_class+0x640/0x640
[  566.059900]  ? zap_class+0x640/0x640
[  566.063614]  ? __x64_sys_futex+0x53e/0x6a0
[  566.067855]  ? find_held_lock+0x36/0x1c0
[  566.071926]  ? handle_mm_fault+0x42a/0xc70
[  566.076162]  ? lock_downgrade+0x900/0x900
[  566.080310]  ? check_preemption_disabled+0x48/0x280
[  566.085417]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  566.090347]  ? kasan_check_read+0x11/0x20
[  566.094494]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  566.099784]  ? rcu_softirq_qs+0x20/0x20
[  566.103764]  ? trace_hardirqs_off_caller+0x310/0x310
[  566.108870]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  566.114410]  ? check_preemption_disabled+0x48/0x280
[  566.119458]  handle_mm_fault+0x54f/0xc70
[  566.123538]  ? __handle_mm_fault+0x5be0/0x5be0
[  566.128150]  ? find_vma+0x34/0x190
[  566.131702]  __do_page_fault+0x5e8/0xe60
[  566.135766]  ? trace_hardirqs_off+0xb8/0x310
[  566.140187]  do_page_fault+0xf2/0x7e0
[  566.143994]  ? vmalloc_sync_all+0x30/0x30
[  566.148148]  ? error_entry+0x70/0xd0
[  566.151882]  ? trace_hardirqs_off_caller+0xbb/0x310
[  566.156909]  ? trace_hardirqs_on_caller+0xc0/0x310
[  566.161835]  ? syscall_return_slowpath+0x5e0/0x5e0
[  566.166762]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  566.171646]  ? trace_hardirqs_on_caller+0x310/0x310
[  566.176665]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  566.182119]  ? prepare_exit_to_usermode+0x291/0x3b0
[  566.187163]  ? page_fault+0x8/0x30
[  566.190719]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  566.195563]  ? page_fault+0x8/0x30
[  566.199107]  page_fault+0x1e/0x30
[  566.202560] RIP: 0033:0x45ddf3
[  566.205769] Code: Bad RIP value.
[  566.209140] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  566.214497] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  566.221792] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  566.229060] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  566.236327] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  566.243599] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  566.250896] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  566.250902] warn_alloc_show_mem: 1 callbacks suppressed
[  566.250909] Mem-Info:
[  566.258268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  566.263634] active_anon:147110 inactive_anon:190 isolated_anon:0
[  566.263634]  active_file:13 inactive_file:13 isolated_file:2
[  566.263634]  unevictable:1 dirty:0 writeback:0 unstable:0
[  566.263634]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  566.263634]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  566.263634]  free:13705 free_pcp:247 free_cma:0
[  566.266007] Call Trace:
[  566.275433] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  566.308447]  <IRQ>
[  566.311015] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  566.338521]  dump_stack+0x244/0x39d
[  566.340650] lowmem_reserve[]: 0 2818 6321 6321
[  566.366754]  ? dump_stack_print_info.cold.1+0x20/0x20
[  566.370359] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  566.374943]  warn_alloc.cold.116+0xb7/0x1bd
[  566.380097] lowmem_reserve[]: 0 0 3503 3503
[  566.407762]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  566.412074] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  566.416387]  ? lock_downgrade+0x900/0x900
[  566.421222] lowmem_reserve[]: 0 0 0 0
[  566.450109]  ? trace_hardirqs_off+0xb8/0x310
[  566.454237] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  566.458051]  ? trace_hardirqs_off+0xb8/0x310
[  566.462452] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  566.475973]  __alloc_pages_slowpath+0x2651/0x2de0
[  566.480357] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  566.495461]  ? warn_alloc+0x120/0x120
[  566.500260] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  566.514822]  ? print_usage_bug+0xc0/0xc0
[  566.518605] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  566.527427]  ? warn_alloc+0x120/0x120
[  566.531464] 274 total pagecache pages
[  566.540051]  ? warn_alloc+0x120/0x120
[  566.543835] 0 pages in swap cache
[  566.547619]  ? print_usage_bug+0xc0/0xc0
[  566.551401] Swap cache stats: add 0, delete 0, find 0/0
[  566.554843]  ? kvm_clock_read+0x18/0x30
[  566.558879] Free swap  = 0kB
[  566.564233]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  566.568184] Total swap = 0kB
[  566.571197]  ? print_usage_bug+0xc0/0xc0
[  566.576189] 1965979 pages RAM
[  566.579198]  ? __lock_acquire+0x62f/0x4c20
[  566.583233] 0 pages HighMem/MovableOnly
[  566.586333]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  566.590564] 342854 pages reserved
[  566.594544]  ? should_fail+0x22d/0xd01
[  566.600053] 0 pages cma reserved
[  566.603557]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  566.607578] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  566.610821]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  566.616184] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  566.622568]  ? __lock_acquire+0x62f/0x4c20
[  566.627650] syz-fuzzer cpuset=/ mems_allowed=0
[  566.637870]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  566.651761]  ? __lock_acquire+0x62f/0x4c20
[  566.655995]  ? should_fail+0x22d/0xd01
[  566.659883]  ? rcu_irq_exit+0x1a2/0x390
[  566.663882]  ? mark_held_locks+0x130/0x130
[  566.668124]  ? mark_held_locks+0x130/0x130
[  566.672362]  ? perf_trace_lock+0x14d/0x7a0
[  566.676605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  566.682144]  ? check_preemption_disabled+0x48/0x280
[  566.687189]  ? zap_class+0x640/0x640
[  566.690913]  ? debug_smp_processor_id+0x1c/0x20
[  566.695586]  ? perf_trace_lock+0x14d/0x7a0
[  566.699820]  ? check_preemption_disabled+0x48/0x280
[  566.704863]  ? lock_is_held_type+0x210/0x210
[  566.709277]  ? __lock_is_held+0xb5/0x140
[  566.713347]  __alloc_pages_nodemask+0xad8/0xea0
[  566.718014]  ? zap_class+0x640/0x640
[  566.721742]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  566.726807]  ? find_held_lock+0x36/0x1c0
[  566.730882]  ? ____cache_alloc_node+0x1c7/0x1e0
[  566.735554]  ? lock_downgrade+0x900/0x900
[  566.739713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  566.745259]  cache_grow_begin+0xa5/0x8c0
[  566.749323]  ? do_raw_spin_unlock+0xa7/0x330
[  566.753745]  fallback_alloc+0x204/0x2e0
[  566.757728]  ____cache_alloc_node+0x1c7/0x1e0
[  566.762232]  kmem_cache_alloc_node+0xe3/0x730
[  566.766733]  ? ipv6_get_ifaddr+0x42e/0x620
[  566.770980]  __alloc_skb+0x119/0x770
[  566.774741]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  566.780037]  ? netdev_alloc_frag+0x1f0/0x1f0
[  566.784448]  ? lock_downgrade+0x900/0x900
[  566.788603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  566.794156]  ? refcount_sub_and_test_checked+0x203/0x310
[  566.799612]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  566.805063]  ? addrconf_rs_timer+0x690/0x690
[  566.809490]  ndisc_alloc_skb+0x144/0x340
[  566.813590]  ndisc_send_rs+0x331/0x6e0
[  566.817489]  addrconf_rs_timer+0x314/0x690
[  566.821742]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  566.825992]  call_timer_fn+0x272/0x920
[  566.829885]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  566.834151]  ? process_timeout+0x40/0x40
[  566.838222]  ? __run_timers+0x7da/0xc70
[  566.842200]  ? _raw_spin_unlock_irq+0x27/0x80
[  566.846694]  ? _raw_spin_unlock_irq+0x27/0x80
[  566.851187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  566.855425]  ? lockdep_hardirqs_on+0x296/0x5b0
[  566.860009]  ? trace_hardirqs_on+0xbd/0x310
[  566.864346]  ? kasan_check_read+0x11/0x20
[  566.868532]  ? __run_timers+0x7da/0xc70
[  566.872520]  ? trace_hardirqs_off_caller+0x310/0x310
[  566.877655]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  566.881902]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  566.886134]  __run_timers+0x7e5/0xc70
[  566.889950]  ? timer_fixup_init+0x70/0x70
[  566.894096]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  566.899220]  ? zap_class+0x640/0x640
[  566.902940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  566.908484]  ? check_preemption_disabled+0x48/0x280
[  566.913540]  ? debug_smp_processor_id+0x1c/0x20
[  566.918211]  ? perf_trace_lock+0x14d/0x7a0
[  566.922457]  ? find_held_lock+0x36/0x1c0
[  566.926537]  ? zap_class+0x640/0x640
[  566.930264]  ? pvclock_read_flags+0x160/0x160
[  566.934769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  566.940311]  ? check_preemption_disabled+0x48/0x280
[  566.945343]  ? __lock_is_held+0xb5/0x140
[  566.949406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  566.954945]  ? check_preemption_disabled+0x48/0x280
[  566.959996]  run_timer_softirq+0x52/0xb0
[  566.964077]  ? rcu_read_lock_sched_held+0x14f/0x180
[  566.969091]  __do_softirq+0x308/0xb7e
[  566.972923]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  566.977458]  ? lock_downgrade+0x900/0x900
[  566.981648]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  566.986760]  ? pvclock_read_flags+0x160/0x160
[  566.991258]  ? lapic_next_event+0x5a/0x90
[  566.995408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.000956]  ? kvm_clock_read+0x18/0x30
[  567.004932]  ? kvm_sched_clock_read+0x9/0x20
[  567.009467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.015031]  ? check_preemption_disabled+0x48/0x280
[  567.020066]  irq_exit+0x17f/0x1c0
[  567.023535]  smp_apic_timer_interrupt+0x1cb/0x760
[  567.028394]  ? smp_reschedule_interrupt+0x109/0x650
[  567.033414]  ? smp_call_function_single_interrupt+0x650/0x650
[  567.039301]  ? interrupt_entry+0xb5/0xc0
[  567.043366]  ? trace_hardirqs_off_caller+0xbb/0x310
[  567.048382]  ? trace_hardirqs_off_caller+0xbb/0x310
[  567.053401]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  567.058246]  ? trace_hardirqs_on_caller+0x310/0x310
[  567.063261]  ? trace_hardirqs_on_caller+0x310/0x310
[  567.068275]  ? task_prio+0x50/0x50
[  567.071833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.077371]  ? check_preemption_disabled+0x48/0x280
[  567.082497]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  567.087361]  apic_timer_interrupt+0xf/0x20
[  567.091594]  </IRQ>
[  567.093835] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  567.098767] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  567.117667] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  567.125389] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  567.132658] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  567.139927] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  567.147686] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  567.154955] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  567.162267]  skb_clone+0x1bb/0x500
[  567.165809]  ? skb_split+0x11e0/0x11e0
[  567.169704]  ? debug_smp_processor_id+0x1c/0x20
[  567.174376]  ? perf_trace_lock+0x14d/0x7a0
[  567.178609]  ? __switch_to_asm+0x34/0x70
[  567.182671]  ? __switch_to_asm+0x40/0x70
[  567.186736]  ? __switch_to_asm+0x40/0x70
[  567.190797]  ? __switch_to_asm+0x34/0x70
[  567.194868]  bpf_clone_redirect+0xb9/0x490
[  567.199115]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  567.204068]  ? __sched_text_start+0x8/0x8
[  567.208233]  ? find_held_lock+0x36/0x1c0
[  567.212334]  ? lock_acquire+0x1ed/0x520
[  567.216312]  ? bpf_test_run+0x3cb/0x780
[  567.220288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.225842]  ? check_preemption_disabled+0x48/0x280
[  567.230864]  ? kasan_check_read+0x11/0x20
[  567.235016]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  567.240318]  ? rcu_softirq_qs+0x20/0x20
[  567.244329]  ? preempt_schedule+0x4d/0x60
[  567.248483]  ? ___preempt_schedule+0x16/0x18
[  567.252926]  ? bpf_test_run+0x25d/0x780
[  567.256920]  ? netlink_diag_dump+0x2a0/0x2a0
[  567.261334]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  567.266894]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  567.271666]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  567.276520]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  567.282074]  ? fput+0x130/0x1a0
[  567.285358]  ? __bpf_prog_get+0x9b/0x290
[  567.289481]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  567.294335]  ? bpf_prog_test_run+0x130/0x1a0
[  567.298752]  ? __x64_sys_bpf+0x3d8/0x520
[  567.302813]  ? bpf_prog_get+0x20/0x20
[  567.306633]  ? do_syscall_64+0x1b9/0x820
[  567.310692]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  567.316061]  ? syscall_return_slowpath+0x5e0/0x5e0
[  567.321008]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  567.325860]  ? trace_hardirqs_on_caller+0x310/0x310
[  567.330881]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  567.335904]  ? prepare_exit_to_usermode+0x291/0x3b0
[  567.340943]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  567.345801]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  567.351187] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  567.351276] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  567.358198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  567.358203] Call Trace:
[  567.358210]  <IRQ>
[  567.358228]  dump_stack+0x244/0x39d
[  567.358247]  ? dump_stack_print_info.cold.1+0x20/0x20
[  567.365046] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  567.374076]  warn_alloc.cold.116+0xb7/0x1bd
[  567.376630] syz-executor4 cpuset=syz4 mems_allowed=0
[  567.378793]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  567.412256]  ? lock_downgrade+0x900/0x900
[  567.416417]  ? trace_hardirqs_off+0xb8/0x310
[  567.420836]  ? trace_hardirqs_off+0xb8/0x310
[  567.425268]  __alloc_pages_slowpath+0x2651/0x2de0
[  567.430158]  ? warn_alloc+0x120/0x120
[  567.433984]  ? print_usage_bug+0xc0/0xc0
[  567.438048]  ? warn_alloc+0x120/0x120
[  567.441855]  ? warn_alloc+0x120/0x120
[  567.445660]  ? print_usage_bug+0xc0/0xc0
[  567.449723]  ? kvm_clock_read+0x18/0x30
[  567.453702]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  567.458735]  ? print_usage_bug+0xc0/0xc0
[  567.462797]  ? __lock_acquire+0x62f/0x4c20
[  567.467052]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  567.472604]  ? should_fail+0x22d/0xd01
[  567.476489]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  567.481788]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  567.486892]  ? __lock_acquire+0x62f/0x4c20
[  567.491134]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  567.496254]  ? __lock_acquire+0x62f/0x4c20
[  567.500489]  ? should_fail+0x22d/0xd01
[  567.504391]  ? rcu_irq_exit+0x1a2/0x390
[  567.508397]  ? mark_held_locks+0x130/0x130
[  567.512637]  ? mark_held_locks+0x130/0x130
[  567.516876]  ? perf_trace_lock+0x14d/0x7a0
[  567.521118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.526660]  ? check_preemption_disabled+0x48/0x280
[  567.531674]  ? zap_class+0x640/0x640
[  567.535394]  ? debug_smp_processor_id+0x1c/0x20
[  567.540066]  ? perf_trace_lock+0x14d/0x7a0
[  567.544310]  ? check_preemption_disabled+0x48/0x280
[  567.549334]  ? lock_is_held_type+0x210/0x210
[  567.553744]  ? __lock_is_held+0xb5/0x140
[  567.557820]  __alloc_pages_nodemask+0xad8/0xea0
[  567.562488]  ? zap_class+0x640/0x640
[  567.566220]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  567.571255]  ? find_held_lock+0x36/0x1c0
[  567.575331]  ? ____cache_alloc_node+0x1c7/0x1e0
[  567.580004]  ? lock_downgrade+0x900/0x900
[  567.584175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.589720]  cache_grow_begin+0xa5/0x8c0
[  567.593786]  ? do_raw_spin_unlock+0xa7/0x330
[  567.598234]  fallback_alloc+0x204/0x2e0
[  567.602215]  ____cache_alloc_node+0x1c7/0x1e0
[  567.606732]  kmem_cache_alloc_node+0xe3/0x730
[  567.611230]  ? ipv6_get_ifaddr+0x42e/0x620
[  567.615494]  __alloc_skb+0x119/0x770
[  567.619226]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  567.624537]  ? netdev_alloc_frag+0x1f0/0x1f0
[  567.628945]  ? lock_downgrade+0x900/0x900
[  567.633098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.638636]  ? refcount_sub_and_test_checked+0x203/0x310
[  567.644094]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  567.649556]  ? addrconf_rs_timer+0x690/0x690
[  567.653978]  ndisc_alloc_skb+0x144/0x340
[  567.658039]  ndisc_send_rs+0x331/0x6e0
[  567.661934]  addrconf_rs_timer+0x314/0x690
[  567.666174]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  567.670426]  call_timer_fn+0x272/0x920
[  567.674311]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  567.678554]  ? process_timeout+0x40/0x40
[  567.682645]  ? mark_held_locks+0xc7/0x130
[  567.686814]  ? _raw_spin_unlock_irq+0x27/0x80
[  567.691311]  ? _raw_spin_unlock_irq+0x27/0x80
[  567.695803]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  567.700040]  ? lockdep_hardirqs_on+0x296/0x5b0
[  567.704625]  ? trace_hardirqs_on+0xbd/0x310
[  567.708948]  ? kasan_check_read+0x11/0x20
[  567.713156]  ? __run_timers+0x7da/0xc70
[  567.717135]  ? trace_hardirqs_off_caller+0x310/0x310
[  567.722247]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  567.726487]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  567.730734]  __run_timers+0x7e5/0xc70
[  567.734557]  ? timer_fixup_init+0x70/0x70
[  567.738709]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  567.743729]  ? zap_class+0x640/0x640
[  567.747465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.753030]  ? print_usage_bug+0xc0/0xc0
[  567.757110]  ? debug_smp_processor_id+0x1c/0x20
[  567.761783]  ? perf_trace_lock+0x14d/0x7a0
[  567.766026]  ? find_held_lock+0x36/0x1c0
[  567.770100]  ? zap_class+0x640/0x640
[  567.773818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.779370]  ? check_preemption_disabled+0x48/0x280
[  567.784411]  ? __lock_is_held+0xb5/0x140
[  567.788473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.794014]  ? check_preemption_disabled+0x48/0x280
[  567.799038]  run_timer_softirq+0x52/0xb0
[  567.803104]  ? rcu_read_lock_sched_held+0x14f/0x180
[  567.808120]  __do_softirq+0x308/0xb7e
[  567.811937]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  567.816431]  ? lock_downgrade+0x900/0x900
[  567.820590]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  567.825701]  ? pvclock_read_flags+0x160/0x160
[  567.830265]  ? lapic_next_event+0x5a/0x90
[  567.834417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.839963]  ? kvm_clock_read+0x18/0x30
[  567.843940]  ? kvm_sched_clock_read+0x9/0x20
[  567.848351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  567.853889]  ? check_preemption_disabled+0x48/0x280
[  567.858931]  irq_exit+0x17f/0x1c0
[  567.862387]  smp_apic_timer_interrupt+0x1cb/0x760
[  567.867232]  ? smp_reschedule_interrupt+0x109/0x650
[  567.872256]  ? smp_call_function_single_interrupt+0x650/0x650
[  567.878155]  ? interrupt_entry+0xb5/0xc0
[  567.882221]  ? trace_hardirqs_off_caller+0xbb/0x310
[  567.887237]  ? trace_hardirqs_off_caller+0xbb/0x310
[  567.892256]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  567.897102]  ? trace_hardirqs_on_caller+0x310/0x310
[  567.902137]  ? trace_hardirqs_on_caller+0x310/0x310
[  567.907152]  ? task_prio+0x50/0x50
[  567.910695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  567.916236]  ? check_preemption_disabled+0x48/0x280
[  567.921262]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  567.926114]  apic_timer_interrupt+0xf/0x20
[  567.930348]  </IRQ>
[  567.932588] RIP: 0010:console_unlock+0x102f/0x1190
[  567.937534] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  567.956436] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  567.964161] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  567.971423] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  567.978698] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  567.985976] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  567.993272] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  568.000601]  ? netconsole_netdev_event+0x280/0x280
[  568.005546]  ? console_unlock+0x1026/0x1190
[  568.009891]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  568.014559]  ? vprintk_emit+0x846/0x990
[  568.018563]  ? lock_release+0xa00/0xa00
[  568.022561]  ? trace_hardirqs_on+0x30/0x310
[  568.026887]  ? vprintk_default+0x28/0x30
[  568.030950]  ? trace_hardirqs_off_caller+0x310/0x310
[  568.036097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  568.041677]  vprintk_emit+0x391/0x990
[  568.045499]  ? wake_up_klogd+0x180/0x180
[  568.049598]  ? find_held_lock+0x31/0x1c0
[  568.053669]  ? mark_held_locks+0xc7/0x130
[  568.057824]  ? _raw_spin_unlock_irq+0x27/0x80
[  568.062318]  ? _raw_spin_unlock_irq+0x27/0x80
[  568.066820]  vprintk_default+0x28/0x30
[  568.070709]  vprintk_func+0x7e/0x181
[  568.074428]  printk+0xa7/0xcf
[  568.077547]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  568.082311]  ? _raw_spin_unlock_irq+0x60/0x80
[  568.086835]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  568.092122]  dump_header+0x7cc/0xf72
[  568.095839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  568.101397]  ? check_preemption_disabled+0x48/0x280
[  568.106443]  ? pagefault_out_of_memory+0x197/0x197
[  568.111374]  ? debug_smp_processor_id+0x1c/0x20
[  568.116047]  ? perf_trace_lock+0x14d/0x7a0
[  568.120287]  ? mark_held_locks+0x130/0x130
[  568.124561]  ? lock_is_held_type+0x210/0x210
[  568.128980]  ? debug_smp_processor_id+0x1c/0x20
[  568.133651]  ? zap_class+0x640/0x640
[  568.137375]  ? lock_is_held_type+0x210/0x210
[  568.141786]  ? perf_trace_lock+0x14d/0x7a0
[  568.146027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  568.151575]  ? find_held_lock+0x36/0x1c0
[  568.155648]  ? mark_held_locks+0xc7/0x130
[  568.159811]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  568.164915]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  568.170018]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  568.174622]  ? trace_hardirqs_on+0xbd/0x310
[  568.178942]  ? kasan_check_read+0x11/0x20
[  568.183086]  ? ___ratelimit+0x3b4/0x672
[  568.187066]  ? trace_hardirqs_off_caller+0x310/0x310
[  568.192172]  ? trace_hardirqs_on+0x310/0x310
[  568.196579]  ? lock_downgrade+0x900/0x900
[  568.200734]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  568.205852]  ? ___ratelimit+0x3b9/0x672
[  568.209861]  ? idr_get_free+0xf70/0xf70
[  568.213839]  ? lock_is_held_type+0x210/0x210
[  568.218256]  oom_kill_process.cold.27+0x10/0x903
[  568.223013]  ? zap_class+0x640/0x640
[  568.226727]  ? _raw_spin_unlock+0x2c/0x50
[  568.230906]  ? oom_badness+0xe6/0xaa0
[  568.234715]  ? oom_evaluate_task+0x540/0x540
[  568.239131]  ? find_held_lock+0x36/0x1c0
[  568.243204]  ? out_of_memory+0x974/0x1430
[  568.247356]  ? lock_downgrade+0x900/0x900
[  568.251504]  ? check_preemption_disabled+0x48/0x280
[  568.256551]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  568.261481]  ? kasan_check_read+0x11/0x20
[  568.265639]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  568.270915]  ? rcu_softirq_qs+0x20/0x20
[  568.274913]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  568.279937]  ? oom_evaluate_task+0x302/0x540
[  568.284356]  out_of_memory+0xa84/0x1430
[  568.288339]  ? oom_killer_disable+0x3a0/0x3a0
[  568.292842]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  568.297778]  ? __ww_mutex_check_waiters+0x160/0x160
[  568.302845]  __alloc_pages_slowpath+0x232c/0x2de0
[  568.307739]  ? warn_alloc+0x120/0x120
[  568.311550]  ? mark_held_locks+0x130/0x130
[  568.315807]  ? find_get_entry+0xaae/0x1120
[  568.320050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  568.325589]  ? check_preemption_disabled+0x48/0x280
[  568.330640]  ? filemap_map_pages+0x1a20/0x1a20
[  568.335231]  ? debug_smp_processor_id+0x1c/0x20
[  568.340681]  ? perf_trace_lock+0x14d/0x7a0
[  568.344929]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  568.350471]  ? should_fail+0x22d/0xd01
[  568.354370]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  568.359493]  ? zap_class+0x640/0x640
[  568.363257]  ? __lock_is_held+0xb5/0x140
[  568.367326]  ? mark_held_locks+0x130/0x130
[  568.371564]  ? lock_release+0xa00/0xa00
[  568.375549]  ? perf_trace_sched_process_exec+0x860/0x860
[  568.381000]  ? xa_load+0x2ba/0x460
[  568.384552]  ? lock_downgrade+0x900/0x900
[  568.388706]  ? __might_sleep+0x95/0x190
[  568.392687]  __alloc_pages_nodemask+0xad8/0xea0
[  568.397365]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  568.402379]  ? __page_cache_alloc+0x191/0x5c0
[  568.406873]  ? xa_load+0x2e1/0x460
[  568.410417]  ? xa_clear_mark+0x40/0x40
[  568.414314]  ? zap_class+0x640/0x640
[  568.418040]  ? zap_class+0x640/0x640
[  568.421760]  ? zap_class+0x640/0x640
[  568.425475]  ? __do_page_cache_readahead+0x663/0x810
[  568.430599]  ? find_held_lock+0x36/0x1c0
[  568.434699]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  568.440272]  alloc_pages_current+0x173/0x350
[  568.444691]  __page_cache_alloc+0x38c/0x5c0
[  568.449010]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  568.453959]  ? kasan_check_read+0x11/0x20
[  568.458107]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  568.463389]  ? generic_perform_write+0x6a0/0x6a0
[  568.468145]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  568.473684]  ? check_preemption_disabled+0x48/0x280
[  568.478720]  filemap_fault+0x1595/0x25f0
[  568.482797]  ? __lock_page_or_retry+0xa00/0xa00
[  568.487468]  ? mark_held_locks+0x130/0x130
[  568.491720]  ? filemap_map_pages+0xd6b/0x1a20
[  568.496218]  ? lock_downgrade+0x900/0x900
[  568.500362]  ? check_preemption_disabled+0x48/0x280
[  568.505412]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  568.510343]  ? kasan_check_read+0x11/0x20
[  568.514490]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  568.519779]  ? rcu_softirq_qs+0x20/0x20
[  568.523772]  ? filemap_map_pages+0xd92/0x1a20
[  568.528286]  ? find_get_entries_tag+0x1400/0x1400
[  568.533138]  ? debug_object_destroy+0x2b0/0x2b0
[  568.537817]  ? lock_pi_update_atomic+0x150/0x150
[  568.542574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  568.548148]  ? lock_acquire+0x1ed/0x520
[  568.552140]  ? ext4_filemap_fault+0x7a/0xad
[  568.556470]  ? lock_release+0xa00/0xa00
[  568.560445]  ? perf_trace_sched_process_exec+0x860/0x860
[  568.565915]  ? print_usage_bug+0xc0/0xc0
[  568.569982]  ? print_usage_bug+0xc0/0xc0
[  568.574057]  ? down_read+0x8d/0x120
[  568.577699]  ? ext4_filemap_fault+0x7a/0xad
[  568.582022]  ? __down_interruptible+0x700/0x700
[  568.586702]  ext4_filemap_fault+0x82/0xad
[  568.590868]  __do_fault+0x100/0x6b0
[  568.594500]  ? pmd_devmap_trans_unstable+0x220/0x220
[  568.599648]  ? mark_held_locks+0x130/0x130
[  568.603905]  ? mark_held_locks+0x130/0x130
[  568.608148]  ? debug_smp_processor_id+0x1c/0x20
[  568.612818]  ? perf_trace_lock+0x14d/0x7a0
[  568.617052]  ? lock_downgrade+0x900/0x900
[  568.621208]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  568.626753]  __handle_mm_fault+0x3ea0/0x5be0
[  568.631173]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  568.636017]  ? lock_is_held_type+0x210/0x210
[  568.640433]  ? file_remove_privs+0x540/0x540
[  568.644842]  ? file_remove_privs+0x540/0x540
[  568.649266]  ? zap_class+0x640/0x640
[  568.653014]  ? zap_class+0x640/0x640
[  568.656725]  ? __x64_sys_futex+0x53e/0x6a0
[  568.660968]  ? find_held_lock+0x36/0x1c0
[  568.665082]  ? handle_mm_fault+0x42a/0xc70
[  568.669323]  ? lock_downgrade+0x900/0x900
[  568.673491]  ? check_preemption_disabled+0x48/0x280
[  568.678538]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  568.683469]  ? kasan_check_read+0x11/0x20
[  568.687617]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  568.692893]  ? rcu_softirq_qs+0x20/0x20
[  568.696898]  ? trace_hardirqs_off_caller+0x310/0x310
[  568.702003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  568.707555]  ? check_preemption_disabled+0x48/0x280
[  568.712582]  handle_mm_fault+0x54f/0xc70
[  568.716648]  ? __handle_mm_fault+0x5be0/0x5be0
[  568.721252]  ? find_vma+0x34/0x190
[  568.724802]  __do_page_fault+0x5e8/0xe60
[  568.728868]  ? trace_hardirqs_off+0xb8/0x310
[  568.733319]  do_page_fault+0xf2/0x7e0
[  568.737125]  ? vmalloc_sync_all+0x30/0x30
[  568.741320]  ? error_entry+0x70/0xd0
[  568.745037]  ? trace_hardirqs_off_caller+0xbb/0x310
[  568.750057]  ? trace_hardirqs_on_caller+0xc0/0x310
[  568.755003]  ? syscall_return_slowpath+0x5e0/0x5e0
[  568.759961]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  568.764833]  ? trace_hardirqs_on_caller+0x310/0x310
[  568.769864]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  568.775323]  ? prepare_exit_to_usermode+0x291/0x3b0
[  568.780344]  ? page_fault+0x8/0x30
[  568.783891]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  568.788739]  ? page_fault+0x8/0x30
[  568.792295]  page_fault+0x1e/0x30
[  568.795745] RIP: 0033:0x45ddf3
[  568.798947] Code: Bad RIP value.
[  568.802309] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  568.807674] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  568.814939] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  568.822219] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  568.829502] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  568.836795] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  568.844090] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  568.844096] warn_alloc_show_mem: 1 callbacks suppressed
[  568.844103] Mem-Info:
[  568.851460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  568.856846] active_anon:147110 inactive_anon:190 isolated_anon:0
[  568.856846]  active_file:13 inactive_file:13 isolated_file:2
[  568.856846]  unevictable:1 dirty:0 writeback:0 unstable:0
[  568.856846]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  568.856846]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  568.856846]  free:13705 free_pcp:247 free_cma:0
[  568.859220] Call Trace:
[  568.868628] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  568.901644]  <IRQ>
[  568.904211] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  568.931702]  dump_stack+0x244/0x39d
[  568.933828] lowmem_reserve[]: 0 2818 6321 6321
[  568.960111]  ? dump_stack_print_info.cold.1+0x20/0x20
[  568.963716] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  568.968301]  warn_alloc.cold.116+0xb7/0x1bd
[  568.973459] lowmem_reserve[]: 0 0 3503 3503
[  569.001137]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  569.005431] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  569.009967]  ? lock_downgrade+0x900/0x900
[  569.014787] lowmem_reserve[]: 0 0 0 0
[  569.043677]  ? trace_hardirqs_off+0xb8/0x310
[  569.047796] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  569.051597]  ? trace_hardirqs_off+0xb8/0x310
[  569.055982] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  569.069504]  __alloc_pages_slowpath+0x2651/0x2de0
[  569.073909] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  569.089014]  ? warn_alloc+0x120/0x120
[  569.093814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  569.108394]  ? __lock_acquire+0x62f/0x4c20
[  569.112192] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  569.121015]  ? warn_alloc+0x120/0x120
[  569.125230] 274 total pagecache pages
[  569.133803]  ? warn_alloc+0x120/0x120
[  569.138555] 0 pages in swap cache
[  569.142844]  ? print_usage_bug+0xc0/0xc0
[  569.146640] Swap cache stats: add 0, delete 0, find 0/0
[  569.150080]  ? perf_trace_lock+0x14d/0x7a0
[  569.154131] Free swap  = 0kB
[  569.159498]  ? print_usage_bug+0xc0/0xc0
[  569.163733] Total swap = 0kB
[  569.166763]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  569.170791] 1965979 pages RAM
[  569.173800]  ? should_fail+0x22d/0xd01
[  569.179327] 0 pages HighMem/MovableOnly
[  569.182428]  ? __lock_acquire+0x62f/0x4c20
[  569.186293] 342854 pages reserved
[  569.190265]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  569.194476] 0 pages cma reserved
[  569.197925]  ? __lock_acquire+0x62f/0x4c20
[  569.203063] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  569.206378]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  569.206392]  ? __lock_acquire+0x62f/0x4c20
[  569.206408]  ? should_fail+0x22d/0xd01
[  569.210684] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  569.217157]  ? mark_held_locks+0x130/0x130
[  569.222243] syz-fuzzer cpuset=/ mems_allowed=0
[  569.226469]  ? mark_held_locks+0x130/0x130
[  569.253618]  ? try_to_wake_up+0x11c/0x1490
[  569.257858]  ? lock_downgrade+0x900/0x900
[  569.262013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.267566]  ? check_preemption_disabled+0x48/0x280
[  569.272599]  ? zap_class+0x640/0x640
[  569.276324]  ? debug_smp_processor_id+0x1c/0x20
[  569.280998]  ? perf_trace_lock+0x14d/0x7a0
[  569.285238]  ? check_preemption_disabled+0x48/0x280
[  569.290279]  ? lock_is_held_type+0x210/0x210
[  569.294690]  ? __lock_is_held+0xb5/0x140
[  569.298761]  __alloc_pages_nodemask+0xad8/0xea0
[  569.303444]  ? zap_class+0x640/0x640
[  569.307162]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  569.312231]  ? find_held_lock+0x36/0x1c0
[  569.316310]  ? ____cache_alloc_node+0x1c7/0x1e0
[  569.320987]  ? lock_downgrade+0x900/0x900
[  569.325149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.330695]  cache_grow_begin+0xa5/0x8c0
[  569.334776]  ? do_raw_spin_unlock+0xa7/0x330
[  569.339199]  fallback_alloc+0x204/0x2e0
[  569.343189]  ____cache_alloc_node+0x1c7/0x1e0
[  569.347720]  kmem_cache_alloc_node+0xe3/0x730
[  569.352222]  ? ipv6_get_ifaddr+0x42e/0x620
[  569.356473]  __alloc_skb+0x119/0x770
[  569.360186]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  569.365468]  ? netdev_alloc_frag+0x1f0/0x1f0
[  569.369875]  ? lock_downgrade+0x900/0x900
[  569.374084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.379624]  ? refcount_sub_and_test_checked+0x203/0x310
[  569.385083]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  569.390586]  ? addrconf_rs_timer+0x690/0x690
[  569.395043]  ndisc_alloc_skb+0x144/0x340
[  569.399122]  ndisc_send_rs+0x331/0x6e0
[  569.403021]  addrconf_rs_timer+0x314/0x690
[  569.407272]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  569.411542]  call_timer_fn+0x272/0x920
[  569.415459]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  569.419696]  ? process_timeout+0x40/0x40
[  569.423774]  ? __run_timers+0x7da/0xc70
[  569.427788]  ? _raw_spin_unlock_irq+0x27/0x80
[  569.432284]  ? _raw_spin_unlock_irq+0x27/0x80
[  569.436796]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  569.441038]  ? lockdep_hardirqs_on+0x296/0x5b0
[  569.445655]  ? trace_hardirqs_on+0xbd/0x310
[  569.449978]  ? kasan_check_read+0x11/0x20
[  569.454122]  ? __run_timers+0x7da/0xc70
[  569.458095]  ? trace_hardirqs_off_caller+0x310/0x310
[  569.463209]  ? __queue_work+0x1440/0x1440
[  569.467362]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  569.471599]  __run_timers+0x7e5/0xc70
[  569.475417]  ? timer_fixup_init+0x70/0x70
[  569.479570]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  569.484586]  ? zap_class+0x640/0x640
[  569.488304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.493873]  ? check_preemption_disabled+0x48/0x280
[  569.498930]  ? debug_smp_processor_id+0x1c/0x20
[  569.503631]  ? perf_trace_lock+0x14d/0x7a0
[  569.507871]  ? find_held_lock+0x36/0x1c0
[  569.511942]  ? zap_class+0x640/0x640
[  569.515661]  ? pvclock_read_flags+0x160/0x160
[  569.520161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.525699]  ? check_preemption_disabled+0x48/0x280
[  569.530724]  ? __lock_is_held+0xb5/0x140
[  569.534788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.540330]  ? check_preemption_disabled+0x48/0x280
[  569.545384]  run_timer_softirq+0x52/0xb0
[  569.549468]  ? rcu_read_lock_sched_held+0x14f/0x180
[  569.554483]  __do_softirq+0x308/0xb7e
[  569.558333]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  569.562828]  ? lock_downgrade+0x900/0x900
[  569.566985]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  569.572113]  ? pvclock_read_flags+0x160/0x160
[  569.576612]  ? lapic_next_event+0x5a/0x90
[  569.580765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.586308]  ? kvm_clock_read+0x18/0x30
[  569.590286]  ? kvm_sched_clock_read+0x9/0x20
[  569.594698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.600239]  ? check_preemption_disabled+0x48/0x280
[  569.605266]  irq_exit+0x17f/0x1c0
[  569.608720]  smp_apic_timer_interrupt+0x1cb/0x760
[  569.613588]  ? smp_reschedule_interrupt+0x109/0x650
[  569.618613]  ? smp_call_function_single_interrupt+0x650/0x650
[  569.624496]  ? interrupt_entry+0xb5/0xc0
[  569.628580]  ? trace_hardirqs_off_caller+0xbb/0x310
[  569.633600]  ? trace_hardirqs_off_caller+0xbb/0x310
[  569.638617]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  569.643808]  ? trace_hardirqs_on_caller+0x310/0x310
[  569.648820]  ? trace_hardirqs_on_caller+0x310/0x310
[  569.653851]  ? task_prio+0x50/0x50
[  569.657393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.662934]  ? check_preemption_disabled+0x48/0x280
[  569.667968]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  569.672822]  apic_timer_interrupt+0xf/0x20
[  569.677054]  </IRQ>
[  569.679292] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  569.684219] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  569.703117] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  569.710823] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  569.718088] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  569.725356] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  569.732622] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  569.739904] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  569.747218]  skb_clone+0x1bb/0x500
[  569.750794]  ? skb_split+0x11e0/0x11e0
[  569.754690]  ? debug_smp_processor_id+0x1c/0x20
[  569.759379]  ? perf_trace_lock+0x14d/0x7a0
[  569.763612]  ? __switch_to_asm+0x34/0x70
[  569.767674]  ? __switch_to_asm+0x40/0x70
[  569.771736]  ? __switch_to_asm+0x40/0x70
[  569.775799]  ? __switch_to_asm+0x34/0x70
[  569.779872]  bpf_clone_redirect+0xb9/0x490
[  569.784144]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  569.789092]  ? __sched_text_start+0x8/0x8
[  569.793255]  ? find_held_lock+0x36/0x1c0
[  569.797332]  ? lock_acquire+0x1ed/0x520
[  569.801309]  ? bpf_test_run+0x3cb/0x780
[  569.805282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  569.810823]  ? check_preemption_disabled+0x48/0x280
[  569.815845]  ? kasan_check_read+0x11/0x20
[  569.819994]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  569.825278]  ? rcu_softirq_qs+0x20/0x20
[  569.829251]  ? preempt_schedule+0x4d/0x60
[  569.833398]  ? ___preempt_schedule+0x16/0x18
[  569.837816]  ? bpf_test_run+0x25d/0x780
[  569.841806]  ? netlink_diag_dump+0x2a0/0x2a0
[  569.846245]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  569.851798]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  569.856572]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  569.861423]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  569.866963]  ? fput+0x130/0x1a0
[  569.870251]  ? __bpf_prog_get+0x9b/0x290
[  569.874344]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  569.879188]  ? bpf_prog_test_run+0x130/0x1a0
[  569.883602]  ? __x64_sys_bpf+0x3d8/0x520
[  569.887667]  ? bpf_prog_get+0x20/0x20
[  569.891494]  ? do_syscall_64+0x1b9/0x820
[  569.895569]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  569.900942]  ? syscall_return_slowpath+0x5e0/0x5e0
[  569.905874]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  569.910725]  ? trace_hardirqs_on_caller+0x310/0x310
[  569.915748]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  569.920786]  ? prepare_exit_to_usermode+0x291/0x3b0
[  569.925814]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  569.930668]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  569.936056] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  569.936129] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  569.943065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  569.943073] Call Trace:
[  569.949657] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  569.958919]  <IRQ>
[  569.961504] syz-executor4 cpuset=syz4 mems_allowed=0
[  569.972012]  dump_stack+0x244/0x39d
[  569.982865]  ? dump_stack_print_info.cold.1+0x20/0x20
[  569.988066]  warn_alloc.cold.116+0xb7/0x1bd
[  569.992388]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  569.997254]  ? lock_downgrade+0x900/0x900
[  570.001410]  ? trace_hardirqs_off+0xb8/0x310
[  570.005831]  ? trace_hardirqs_off+0xb8/0x310
[  570.010733]  __alloc_pages_slowpath+0x2651/0x2de0
[  570.015613]  ? warn_alloc+0x120/0x120
[  570.019422]  ? print_usage_bug+0xc0/0xc0
[  570.023503]  ? warn_alloc+0x120/0x120
[  570.027383]  ? debug_smp_processor_id+0x1c/0x20
[  570.032052]  ? warn_alloc+0x120/0x120
[  570.035852]  ? print_usage_bug+0xc0/0xc0
[  570.039918]  ? print_usage_bug+0xc0/0xc0
[  570.043980]  ? __lock_acquire+0x62f/0x4c20
[  570.048246]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  570.053783]  ? should_fail+0x22d/0xd01
[  570.057677]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  570.062784]  ? __lock_acquire+0x62f/0x4c20
[  570.067068]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  570.072183]  ? __lock_acquire+0x62f/0x4c20
[  570.076433]  ? should_fail+0x22d/0xd01
[  570.080320]  ? find_held_lock+0x36/0x1c0
[  570.084392]  ? mark_held_locks+0x130/0x130
[  570.088646]  ? mark_held_locks+0x130/0x130
[  570.092898]  ? perf_trace_lock+0x14d/0x7a0
[  570.097136]  ? zap_class+0x640/0x640
[  570.100855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.106397]  ? check_preemption_disabled+0x48/0x280
[  570.111441]  ? zap_class+0x640/0x640
[  570.115166]  ? debug_smp_processor_id+0x1c/0x20
[  570.119837]  ? perf_trace_lock+0x14d/0x7a0
[  570.124074]  ? check_preemption_disabled+0x48/0x280
[  570.129099]  ? lock_is_held_type+0x210/0x210
[  570.133509]  ? __lock_is_held+0xb5/0x140
[  570.137594]  __alloc_pages_nodemask+0xad8/0xea0
[  570.142266]  ? zap_class+0x640/0x640
[  570.145988]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  570.151047]  ? find_held_lock+0x36/0x1c0
[  570.155150]  ? ____cache_alloc_node+0x1c7/0x1e0
[  570.159819]  ? lock_downgrade+0x900/0x900
[  570.163977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.169575]  cache_grow_begin+0xa5/0x8c0
[  570.173640]  ? do_raw_spin_unlock+0xa7/0x330
[  570.178073]  fallback_alloc+0x204/0x2e0
[  570.182055]  ____cache_alloc_node+0x1c7/0x1e0
[  570.186568]  kmem_cache_alloc_node+0xe3/0x730
[  570.191083]  ? ipv6_get_ifaddr+0x42e/0x620
[  570.195327]  __alloc_skb+0x119/0x770
[  570.199058]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  570.204340]  ? netdev_alloc_frag+0x1f0/0x1f0
[  570.208752]  ? lock_downgrade+0x900/0x900
[  570.212934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.218472]  ? refcount_sub_and_test_checked+0x203/0x310
[  570.223928]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  570.229377]  ? addrconf_rs_timer+0x690/0x690
[  570.233802]  ndisc_alloc_skb+0x144/0x340
[  570.237870]  ndisc_send_rs+0x331/0x6e0
[  570.241764]  addrconf_rs_timer+0x314/0x690
[  570.246005]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  570.250250]  call_timer_fn+0x272/0x920
[  570.254169]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  570.258418]  ? process_timeout+0x40/0x40
[  570.262489]  ? mark_held_locks+0xc7/0x130
[  570.266651]  ? _raw_spin_unlock_irq+0x27/0x80
[  570.271175]  ? _raw_spin_unlock_irq+0x27/0x80
[  570.275672]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  570.279920]  ? lockdep_hardirqs_on+0x296/0x5b0
[  570.284503]  ? trace_hardirqs_on+0xbd/0x310
[  570.288856]  ? kasan_check_read+0x11/0x20
[  570.293000]  ? __run_timers+0x7da/0xc70
[  570.296976]  ? trace_hardirqs_off_caller+0x310/0x310
[  570.302088]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  570.306346]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  570.310575]  __run_timers+0x7e5/0xc70
[  570.314391]  ? timer_fixup_init+0x70/0x70
[  570.318569]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  570.323589]  ? zap_class+0x640/0x640
[  570.327309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.332848]  ? print_usage_bug+0xc0/0xc0
[  570.336931]  ? debug_smp_processor_id+0x1c/0x20
[  570.341602]  ? perf_trace_lock+0x14d/0x7a0
[  570.345843]  ? find_held_lock+0x36/0x1c0
[  570.349915]  ? zap_class+0x640/0x640
[  570.353651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.359204]  ? check_preemption_disabled+0x48/0x280
[  570.364229]  ? __lock_is_held+0xb5/0x140
[  570.368290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.373845]  ? check_preemption_disabled+0x48/0x280
[  570.378870]  run_timer_softirq+0x52/0xb0
[  570.382935]  ? rcu_read_lock_sched_held+0x14f/0x180
[  570.387966]  __do_softirq+0x308/0xb7e
[  570.391803]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  570.396298]  ? lock_downgrade+0x900/0x900
[  570.400452]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  570.405571]  ? pvclock_read_flags+0x160/0x160
[  570.410084]  ? lapic_next_event+0x5a/0x90
[  570.414263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.419817]  ? kvm_clock_read+0x18/0x30
[  570.423804]  ? kvm_sched_clock_read+0x9/0x20
[  570.428231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.433770]  ? check_preemption_disabled+0x48/0x280
[  570.438795]  irq_exit+0x17f/0x1c0
[  570.442246]  smp_apic_timer_interrupt+0x1cb/0x760
[  570.447083]  ? smp_reschedule_interrupt+0x109/0x650
[  570.452101]  ? smp_call_function_single_interrupt+0x650/0x650
[  570.457983]  ? interrupt_entry+0xb5/0xc0
[  570.462044]  ? trace_hardirqs_off_caller+0xbb/0x310
[  570.467071]  ? trace_hardirqs_off_caller+0xbb/0x310
[  570.472086]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  570.476933]  ? trace_hardirqs_on_caller+0x310/0x310
[  570.481954]  ? trace_hardirqs_on_caller+0x310/0x310
[  570.486970]  ? task_prio+0x50/0x50
[  570.490556]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  570.496097]  ? check_preemption_disabled+0x48/0x280
[  570.501117]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  570.505972]  apic_timer_interrupt+0xf/0x20
[  570.510216]  </IRQ>
[  570.512456] RIP: 0010:console_unlock+0x102f/0x1190
[  570.517395] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  570.536316] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  570.544391] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  570.551672] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  570.558942] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  570.566209] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  570.573479] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  570.580781]  ? netconsole_netdev_event+0x280/0x280
[  570.585718]  ? console_unlock+0x1026/0x1190
[  570.590074]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  570.594741]  ? vprintk_emit+0x846/0x990
[  570.598718]  ? lock_release+0xa00/0xa00
[  570.602698]  ? trace_hardirqs_on+0x30/0x310
[  570.607018]  ? vprintk_default+0x28/0x30
[  570.611080]  ? trace_hardirqs_off_caller+0x310/0x310
[  570.616188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.621734]  vprintk_emit+0x391/0x990
[  570.625567]  ? wake_up_klogd+0x180/0x180
[  570.629651]  ? find_held_lock+0x31/0x1c0
[  570.633724]  ? mark_held_locks+0xc7/0x130
[  570.637872]  ? _raw_spin_unlock_irq+0x27/0x80
[  570.642380]  ? _raw_spin_unlock_irq+0x27/0x80
[  570.646880]  vprintk_default+0x28/0x30
[  570.650769]  vprintk_func+0x7e/0x181
[  570.654490]  printk+0xa7/0xcf
[  570.657614]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  570.662378]  ? _raw_spin_unlock_irq+0x60/0x80
[  570.666887]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  570.672171]  dump_header+0x7cc/0xf72
[  570.675888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.681426]  ? check_preemption_disabled+0x48/0x280
[  570.686454]  ? pagefault_out_of_memory+0x197/0x197
[  570.691398]  ? debug_smp_processor_id+0x1c/0x20
[  570.696078]  ? perf_trace_lock+0x14d/0x7a0
[  570.700346]  ? mark_held_locks+0x130/0x130
[  570.704600]  ? lock_is_held_type+0x210/0x210
[  570.709017]  ? debug_smp_processor_id+0x1c/0x20
[  570.713700]  ? zap_class+0x640/0x640
[  570.717420]  ? lock_is_held_type+0x210/0x210
[  570.721826]  ? perf_trace_lock+0x14d/0x7a0
[  570.726082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.731626]  ? find_held_lock+0x36/0x1c0
[  570.735700]  ? mark_held_locks+0xc7/0x130
[  570.739852]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  570.744994]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  570.750104]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  570.754703]  ? trace_hardirqs_on+0xbd/0x310
[  570.759063]  ? kasan_check_read+0x11/0x20
[  570.763210]  ? ___ratelimit+0x3b4/0x672
[  570.767183]  ? trace_hardirqs_off_caller+0x310/0x310
[  570.772287]  ? trace_hardirqs_on+0x310/0x310
[  570.776696]  ? lock_downgrade+0x900/0x900
[  570.780873]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  570.785986]  ? ___ratelimit+0x3b9/0x672
[  570.789961]  ? idr_get_free+0xf70/0xf70
[  570.793938]  ? lock_is_held_type+0x210/0x210
[  570.798354]  oom_kill_process.cold.27+0x10/0x903
[  570.803109]  ? zap_class+0x640/0x640
[  570.806831]  ? _raw_spin_unlock+0x2c/0x50
[  570.810981]  ? oom_badness+0xe6/0xaa0
[  570.814797]  ? oom_evaluate_task+0x540/0x540
[  570.819210]  ? find_held_lock+0x36/0x1c0
[  570.823285]  ? out_of_memory+0x974/0x1430
[  570.827468]  ? lock_downgrade+0x900/0x900
[  570.831642]  ? check_preemption_disabled+0x48/0x280
[  570.836666]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  570.841612]  ? kasan_check_read+0x11/0x20
[  570.845759]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  570.851034]  ? rcu_softirq_qs+0x20/0x20
[  570.855017]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  570.860030]  ? oom_evaluate_task+0x302/0x540
[  570.864447]  out_of_memory+0xa84/0x1430
[  570.868463]  ? oom_killer_disable+0x3a0/0x3a0
[  570.872964]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  570.877903]  ? __ww_mutex_check_waiters+0x160/0x160
[  570.882934]  __alloc_pages_slowpath+0x232c/0x2de0
[  570.887841]  ? warn_alloc+0x120/0x120
[  570.891640]  ? mark_held_locks+0x130/0x130
[  570.895882]  ? find_get_entry+0xaae/0x1120
[  570.900139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  570.905705]  ? check_preemption_disabled+0x48/0x280
[  570.910720]  ? filemap_map_pages+0x1a20/0x1a20
[  570.915309]  ? debug_smp_processor_id+0x1c/0x20
[  570.919982]  ? perf_trace_lock+0x14d/0x7a0
[  570.924229]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  570.929770]  ? should_fail+0x22d/0xd01
[  570.933674]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  570.938794]  ? zap_class+0x640/0x640
[  570.942631]  ? __lock_is_held+0xb5/0x140
[  570.946703]  ? mark_held_locks+0x130/0x130
[  570.950943]  ? lock_release+0xa00/0xa00
[  570.954924]  ? perf_trace_sched_process_exec+0x860/0x860
[  570.960396]  ? xa_load+0x2ba/0x460
[  570.963941]  ? lock_downgrade+0x900/0x900
[  570.968096]  ? __might_sleep+0x95/0x190
[  570.972076]  __alloc_pages_nodemask+0xad8/0xea0
[  570.976752]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  570.981772]  ? __page_cache_alloc+0x191/0x5c0
[  570.986281]  ? xa_load+0x2e1/0x460
[  570.989826]  ? xa_clear_mark+0x40/0x40
[  570.993719]  ? zap_class+0x640/0x640
[  570.997443]  ? zap_class+0x640/0x640
[  571.001161]  ? zap_class+0x640/0x640
[  571.004877]  ? __do_page_cache_readahead+0x663/0x810
[  571.010455]  ? find_held_lock+0x36/0x1c0
[  571.014539]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  571.020090]  alloc_pages_current+0x173/0x350
[  571.024551]  __page_cache_alloc+0x38c/0x5c0
[  571.028877]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  571.033811]  ? kasan_check_read+0x11/0x20
[  571.037963]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  571.043247]  ? generic_perform_write+0x6a0/0x6a0
[  571.048007]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  571.053558]  ? check_preemption_disabled+0x48/0x280
[  571.058588]  filemap_fault+0x1595/0x25f0
[  571.062668]  ? __lock_page_or_retry+0xa00/0xa00
[  571.067345]  ? mark_held_locks+0x130/0x130
[  571.071588]  ? filemap_map_pages+0xd6b/0x1a20
[  571.076089]  ? lock_downgrade+0x900/0x900
[  571.080234]  ? check_preemption_disabled+0x48/0x280
[  571.085258]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  571.090188]  ? kasan_check_read+0x11/0x20
[  571.094352]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  571.099632]  ? rcu_softirq_qs+0x20/0x20
[  571.103628]  ? filemap_map_pages+0xd92/0x1a20
[  571.108144]  ? find_get_entries_tag+0x1400/0x1400
[  571.112991]  ? debug_object_destroy+0x2b0/0x2b0
[  571.117664]  ? lock_pi_update_atomic+0x150/0x150
[  571.122425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  571.127981]  ? lock_acquire+0x1ed/0x520
[  571.131958]  ? ext4_filemap_fault+0x7a/0xad
[  571.136294]  ? lock_release+0xa00/0xa00
[  571.140269]  ? perf_trace_sched_process_exec+0x860/0x860
[  571.145836]  ? print_usage_bug+0xc0/0xc0
[  571.149898]  ? print_usage_bug+0xc0/0xc0
[  571.153975]  ? down_read+0x8d/0x120
[  571.157615]  ? ext4_filemap_fault+0x7a/0xad
[  571.161943]  ? __down_interruptible+0x700/0x700
[  571.166624]  ext4_filemap_fault+0x82/0xad
[  571.170777]  __do_fault+0x100/0x6b0
[  571.174407]  ? pmd_devmap_trans_unstable+0x220/0x220
[  571.179520]  ? mark_held_locks+0x130/0x130
[  571.183761]  ? mark_held_locks+0x130/0x130
[  571.188014]  ? debug_smp_processor_id+0x1c/0x20
[  571.192683]  ? perf_trace_lock+0x14d/0x7a0
[  571.196918]  ? lock_downgrade+0x900/0x900
[  571.201089]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  571.206643]  __handle_mm_fault+0x3ea0/0x5be0
[  571.211072]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  571.215920]  ? lock_is_held_type+0x210/0x210
[  571.220335]  ? file_remove_privs+0x540/0x540
[  571.224745]  ? file_remove_privs+0x540/0x540
[  571.229172]  ? zap_class+0x640/0x640
[  571.232886]  ? zap_class+0x640/0x640
[  571.236599]  ? __x64_sys_futex+0x53e/0x6a0
[  571.240847]  ? find_held_lock+0x36/0x1c0
[  571.244922]  ? handle_mm_fault+0x42a/0xc70
[  571.249162]  ? lock_downgrade+0x900/0x900
[  571.253311]  ? check_preemption_disabled+0x48/0x280
[  571.258349]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  571.263293]  ? kasan_check_read+0x11/0x20
[  571.267441]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  571.272719]  ? rcu_softirq_qs+0x20/0x20
[  571.276697]  ? trace_hardirqs_off_caller+0x310/0x310
[  571.281807]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  571.287373]  ? check_preemption_disabled+0x48/0x280
[  571.292398]  handle_mm_fault+0x54f/0xc70
[  571.296464]  ? __handle_mm_fault+0x5be0/0x5be0
[  571.301050]  ? find_vma+0x34/0x190
[  571.304603]  __do_page_fault+0x5e8/0xe60
[  571.308666]  ? trace_hardirqs_off+0xb8/0x310
[  571.313089]  do_page_fault+0xf2/0x7e0
[  571.316913]  ? vmalloc_sync_all+0x30/0x30
[  571.321080]  ? error_entry+0x70/0xd0
[  571.324812]  ? trace_hardirqs_off_caller+0xbb/0x310
[  571.329846]  ? trace_hardirqs_on_caller+0xc0/0x310
[  571.334790]  ? syscall_return_slowpath+0x5e0/0x5e0
[  571.339720]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  571.344568]  ? trace_hardirqs_on_caller+0x310/0x310
[  571.349608]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  571.355080]  ? prepare_exit_to_usermode+0x291/0x3b0
[  571.360124]  ? page_fault+0x8/0x30
[  571.363668]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  571.368520]  ? page_fault+0x8/0x30
[  571.372097]  page_fault+0x1e/0x30
[  571.375559] RIP: 0033:0x45ddf3
[  571.378763] Code: Bad RIP value.
[  571.382122] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  571.387488] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  571.394764] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  571.402028] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  571.409294] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  571.416564] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  571.423864] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  571.423870] warn_alloc_show_mem: 1 callbacks suppressed
[  571.423877] Mem-Info:
[  571.431237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  571.436602] active_anon:147110 inactive_anon:190 isolated_anon:0
[  571.436602]  active_file:13 inactive_file:13 isolated_file:2
[  571.436602]  unevictable:1 dirty:0 writeback:0 unstable:0
[  571.436602]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  571.436602]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  571.436602]  free:13705 free_pcp:247 free_cma:0
[  571.438974] Call Trace:
[  571.448361] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  571.481375]  <IRQ>
[  571.483948] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  571.511478]  dump_stack+0x244/0x39d
[  571.513605] lowmem_reserve[]: 0 2818 6321 6321
[  571.539709]  ? dump_stack_print_info.cold.1+0x20/0x20
[  571.543309] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  571.547893]  warn_alloc.cold.116+0xb7/0x1bd
[  571.553048] lowmem_reserve[]: 0 0 3503 3503
[  571.580784]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  571.585082] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  571.589397]  ? lock_downgrade+0x900/0x900
[  571.594215] lowmem_reserve[]: 0 0 0 0
[  571.623099]  ? trace_hardirqs_off+0xb8/0x310
[  571.627221] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  571.631028]  ? trace_hardirqs_off+0xb8/0x310
[  571.635405] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  571.648923]  __alloc_pages_slowpath+0x2651/0x2de0
[  571.653302] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  571.668449]  ? warn_alloc+0x120/0x120
[  571.673251] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  571.687805]  ? print_usage_bug+0xc0/0xc0
[  571.691584] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  571.700410]  ? warn_alloc+0x120/0x120
[  571.704447] 274 total pagecache pages
[  571.713036]  ? warn_alloc+0x120/0x120
[  571.716822] 0 pages in swap cache
[  571.720609]  ? print_usage_bug+0xc0/0xc0
[  571.724390] Swap cache stats: add 0, delete 0, find 0/0
[  571.727835]  ? kvm_clock_read+0x18/0x30
[  571.731875] Free swap  = 0kB
[  571.737231]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  571.741184] Total swap = 0kB
[  571.744199]  ? print_usage_bug+0xc0/0xc0
[  571.749189] 1965979 pages RAM
[  571.752200]  ? __lock_acquire+0x62f/0x4c20
[  571.756234] 0 pages HighMem/MovableOnly
[  571.759337]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  571.763552] 342854 pages reserved
[  571.767528]  ? should_fail+0x22d/0xd01
[  571.773059] 0 pages cma reserved
[  571.776504]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  571.780444] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  571.783748]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  571.789087] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  571.795497]  ? __lock_acquire+0x62f/0x4c20
[  571.800583] syz-fuzzer cpuset=/ mems_allowed=0
[  571.810819]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  571.824721]  ? __lock_acquire+0x62f/0x4c20
[  571.828961]  ? should_fail+0x22d/0xd01
[  571.832879]  ? rcu_irq_exit+0x1a2/0x390
[  571.836882]  ? mark_held_locks+0x130/0x130
[  571.841124]  ? mark_held_locks+0x130/0x130
[  571.845363]  ? perf_trace_lock+0x14d/0x7a0
[  571.849622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  571.855174]  ? check_preemption_disabled+0x48/0x280
[  571.860187]  ? zap_class+0x640/0x640
[  571.863912]  ? debug_smp_processor_id+0x1c/0x20
[  571.868587]  ? perf_trace_lock+0x14d/0x7a0
[  571.872823]  ? check_preemption_disabled+0x48/0x280
[  571.877848]  ? lock_is_held_type+0x210/0x210
[  571.882260]  ? __lock_is_held+0xb5/0x140
[  571.886329]  __alloc_pages_nodemask+0xad8/0xea0
[  571.890998]  ? zap_class+0x640/0x640
[  571.894721]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  571.899751]  ? find_held_lock+0x36/0x1c0
[  571.903828]  ? ____cache_alloc_node+0x1c7/0x1e0
[  571.908501]  ? lock_downgrade+0x900/0x900
[  571.912670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  571.918219]  cache_grow_begin+0xa5/0x8c0
[  571.922285]  ? do_raw_spin_unlock+0xa7/0x330
[  571.926719]  fallback_alloc+0x204/0x2e0
[  571.930719]  ____cache_alloc_node+0x1c7/0x1e0
[  571.935248]  kmem_cache_alloc_node+0xe3/0x730
[  571.939748]  ? ipv6_get_ifaddr+0x42e/0x620
[  571.943998]  __alloc_skb+0x119/0x770
[  571.947718]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  571.953005]  ? netdev_alloc_frag+0x1f0/0x1f0
[  571.957422]  ? lock_downgrade+0x900/0x900
[  571.961581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  571.967120]  ? refcount_sub_and_test_checked+0x203/0x310
[  571.972580]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  571.978040]  ? addrconf_rs_timer+0x690/0x690
[  571.982467]  ndisc_alloc_skb+0x144/0x340
[  571.986540]  ndisc_send_rs+0x331/0x6e0
[  571.990440]  addrconf_rs_timer+0x314/0x690
[  571.994687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  571.998951]  call_timer_fn+0x272/0x920
[  572.002842]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  572.007081]  ? process_timeout+0x40/0x40
[  572.011151]  ? __run_timers+0x7da/0xc70
[  572.015128]  ? _raw_spin_unlock_irq+0x27/0x80
[  572.019621]  ? _raw_spin_unlock_irq+0x27/0x80
[  572.024136]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  572.028371]  ? lockdep_hardirqs_on+0x296/0x5b0
[  572.032968]  ? trace_hardirqs_on+0xbd/0x310
[  572.037292]  ? kasan_check_read+0x11/0x20
[  572.041440]  ? __run_timers+0x7da/0xc70
[  572.045430]  ? trace_hardirqs_off_caller+0x310/0x310
[  572.050556]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  572.054797]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  572.059039]  __run_timers+0x7e5/0xc70
[  572.062851]  ? timer_fixup_init+0x70/0x70
[  572.067007]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  572.072036]  ? zap_class+0x640/0x640
[  572.075773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.081326]  ? check_preemption_disabled+0x48/0x280
[  572.086348]  ? debug_smp_processor_id+0x1c/0x20
[  572.091014]  ? perf_trace_lock+0x14d/0x7a0
[  572.095260]  ? find_held_lock+0x36/0x1c0
[  572.099328]  ? zap_class+0x640/0x640
[  572.103086]  ? pvclock_read_flags+0x160/0x160
[  572.107601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.113142]  ? check_preemption_disabled+0x48/0x280
[  572.118169]  ? __lock_is_held+0xb5/0x140
[  572.122234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.127791]  ? check_preemption_disabled+0x48/0x280
[  572.132814]  run_timer_softirq+0x52/0xb0
[  572.136875]  ? rcu_read_lock_sched_held+0x14f/0x180
[  572.142274]  __do_softirq+0x308/0xb7e
[  572.146083]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  572.150577]  ? lock_downgrade+0x900/0x900
[  572.154731]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  572.159841]  ? pvclock_read_flags+0x160/0x160
[  572.164356]  ? lapic_next_event+0x5a/0x90
[  572.168507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.174067]  ? kvm_clock_read+0x18/0x30
[  572.178046]  ? kvm_sched_clock_read+0x9/0x20
[  572.182493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.188051]  ? check_preemption_disabled+0x48/0x280
[  572.193083]  irq_exit+0x17f/0x1c0
[  572.196546]  smp_apic_timer_interrupt+0x1cb/0x760
[  572.201408]  ? smp_reschedule_interrupt+0x109/0x650
[  572.206428]  ? smp_call_function_single_interrupt+0x650/0x650
[  572.212311]  ? interrupt_entry+0xb5/0xc0
[  572.216375]  ? trace_hardirqs_off_caller+0xbb/0x310
[  572.221389]  ? trace_hardirqs_off_caller+0xbb/0x310
[  572.226408]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  572.231250]  ? trace_hardirqs_on_caller+0x310/0x310
[  572.236271]  ? trace_hardirqs_on_caller+0x310/0x310
[  572.241288]  ? task_prio+0x50/0x50
[  572.244834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.250373]  ? check_preemption_disabled+0x48/0x280
[  572.255425]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  572.260283]  apic_timer_interrupt+0xf/0x20
[  572.264525]  </IRQ>
[  572.266771] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  572.271736] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  572.290653] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  572.298376] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  572.305643] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  572.312908] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  572.320194] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  572.327463] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  572.334778]  skb_clone+0x1bb/0x500
[  572.338337]  ? skb_split+0x11e0/0x11e0
[  572.342232]  ? debug_smp_processor_id+0x1c/0x20
[  572.346916]  ? perf_trace_lock+0x14d/0x7a0
[  572.351164]  ? __switch_to_asm+0x34/0x70
[  572.355237]  ? __switch_to_asm+0x40/0x70
[  572.359299]  ? __switch_to_asm+0x40/0x70
[  572.363406]  ? __switch_to_asm+0x34/0x70
[  572.367474]  bpf_clone_redirect+0xb9/0x490
[  572.371743]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  572.376672]  ? __sched_text_start+0x8/0x8
[  572.380833]  ? find_held_lock+0x36/0x1c0
[  572.384908]  ? lock_acquire+0x1ed/0x520
[  572.388897]  ? bpf_test_run+0x3cb/0x780
[  572.392909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.398445]  ? check_preemption_disabled+0x48/0x280
[  572.403468]  ? kasan_check_read+0x11/0x20
[  572.407621]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  572.412904]  ? rcu_softirq_qs+0x20/0x20
[  572.416880]  ? preempt_schedule+0x4d/0x60
[  572.421040]  ? ___preempt_schedule+0x16/0x18
[  572.425457]  ? bpf_test_run+0x25d/0x780
[  572.429466]  ? netlink_diag_dump+0x2a0/0x2a0
[  572.433881]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  572.439431]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  572.444202]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  572.449049]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  572.454588]  ? fput+0x130/0x1a0
[  572.457877]  ? __bpf_prog_get+0x9b/0x290
[  572.461959]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  572.466830]  ? bpf_prog_test_run+0x130/0x1a0
[  572.471239]  ? __x64_sys_bpf+0x3d8/0x520
[  572.475317]  ? bpf_prog_get+0x20/0x20
[  572.479140]  ? do_syscall_64+0x1b9/0x820
[  572.483202]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  572.488586]  ? syscall_return_slowpath+0x5e0/0x5e0
[  572.493526]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  572.498379]  ? trace_hardirqs_on_caller+0x310/0x310
[  572.503399]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  572.508425]  ? prepare_exit_to_usermode+0x291/0x3b0
[  572.513452]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  572.518305]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  572.523692] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  572.523788] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  572.530707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  572.530713] Call Trace:
[  572.530719]  <IRQ>
[  572.530737]  dump_stack+0x244/0x39d
[  572.530758]  ? dump_stack_print_info.cold.1+0x20/0x20
[  572.537346] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  572.546614]  warn_alloc.cold.116+0xb7/0x1bd
[  572.549168] syz-executor4 cpuset=syz4 mems_allowed=0
[  572.551314]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  572.584845]  ? lock_downgrade+0x900/0x900
[  572.589018]  ? trace_hardirqs_off+0xb8/0x310
[  572.593446]  ? trace_hardirqs_off+0xb8/0x310
[  572.597862]  __alloc_pages_slowpath+0x2651/0x2de0
[  572.602738]  ? warn_alloc+0x120/0x120
[  572.606556]  ? print_usage_bug+0xc0/0xc0
[  572.610625]  ? warn_alloc+0x120/0x120
[  572.614432]  ? warn_alloc+0x120/0x120
[  572.618236]  ? print_usage_bug+0xc0/0xc0
[  572.622297]  ? kvm_clock_read+0x18/0x30
[  572.626271]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  572.631290]  ? print_usage_bug+0xc0/0xc0
[  572.635352]  ? __lock_acquire+0x62f/0x4c20
[  572.639596]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  572.645144]  ? should_fail+0x22d/0xd01
[  572.649030]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  572.654313]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  572.659431]  ? __lock_acquire+0x62f/0x4c20
[  572.663669]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  572.668774]  ? __lock_acquire+0x62f/0x4c20
[  572.673008]  ? should_fail+0x22d/0xd01
[  572.676919]  ? rcu_irq_exit+0x1a2/0x390
[  572.680904]  ? mark_held_locks+0x130/0x130
[  572.685161]  ? mark_held_locks+0x130/0x130
[  572.689394]  ? perf_trace_lock+0x14d/0x7a0
[  572.693637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.699204]  ? check_preemption_disabled+0x48/0x280
[  572.704221]  ? zap_class+0x640/0x640
[  572.707939]  ? debug_smp_processor_id+0x1c/0x20
[  572.712607]  ? perf_trace_lock+0x14d/0x7a0
[  572.716841]  ? check_preemption_disabled+0x48/0x280
[  572.721868]  ? lock_is_held_type+0x210/0x210
[  572.726297]  ? __lock_is_held+0xb5/0x140
[  572.730399]  __alloc_pages_nodemask+0xad8/0xea0
[  572.735091]  ? zap_class+0x640/0x640
[  572.738806]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  572.743834]  ? find_held_lock+0x36/0x1c0
[  572.747925]  ? ____cache_alloc_node+0x1c7/0x1e0
[  572.752596]  ? lock_downgrade+0x900/0x900
[  572.756753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.762300]  cache_grow_begin+0xa5/0x8c0
[  572.766362]  ? do_raw_spin_unlock+0xa7/0x330
[  572.770794]  fallback_alloc+0x204/0x2e0
[  572.774777]  ____cache_alloc_node+0x1c7/0x1e0
[  572.779284]  kmem_cache_alloc_node+0xe3/0x730
[  572.783784]  ? ipv6_get_ifaddr+0x42e/0x620
[  572.788032]  __alloc_skb+0x119/0x770
[  572.791754]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  572.797044]  ? netdev_alloc_frag+0x1f0/0x1f0
[  572.801503]  ? lock_downgrade+0x900/0x900
[  572.805694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.811237]  ? refcount_sub_and_test_checked+0x203/0x310
[  572.816694]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  572.822144]  ? addrconf_rs_timer+0x690/0x690
[  572.826570]  ndisc_alloc_skb+0x144/0x340
[  572.830639]  ndisc_send_rs+0x331/0x6e0
[  572.834550]  addrconf_rs_timer+0x314/0x690
[  572.838814]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  572.843061]  call_timer_fn+0x272/0x920
[  572.846951]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  572.851201]  ? process_timeout+0x40/0x40
[  572.855273]  ? mark_held_locks+0xc7/0x130
[  572.859425]  ? _raw_spin_unlock_irq+0x27/0x80
[  572.863938]  ? _raw_spin_unlock_irq+0x27/0x80
[  572.868446]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  572.872684]  ? lockdep_hardirqs_on+0x296/0x5b0
[  572.877271]  ? trace_hardirqs_on+0xbd/0x310
[  572.881592]  ? kasan_check_read+0x11/0x20
[  572.885739]  ? __run_timers+0x7da/0xc70
[  572.889721]  ? trace_hardirqs_off_caller+0x310/0x310
[  572.894833]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  572.899075]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  572.903307]  __run_timers+0x7e5/0xc70
[  572.907122]  ? timer_fixup_init+0x70/0x70
[  572.911274]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  572.916291]  ? zap_class+0x640/0x640
[  572.920009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.925569]  ? print_usage_bug+0xc0/0xc0
[  572.929642]  ? debug_smp_processor_id+0x1c/0x20
[  572.934311]  ? perf_trace_lock+0x14d/0x7a0
[  572.938562]  ? find_held_lock+0x36/0x1c0
[  572.942633]  ? zap_class+0x640/0x640
[  572.946353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.951895]  ? check_preemption_disabled+0x48/0x280
[  572.956923]  ? __lock_is_held+0xb5/0x140
[  572.960989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  572.966539]  ? check_preemption_disabled+0x48/0x280
[  572.971565]  run_timer_softirq+0x52/0xb0
[  572.975631]  ? rcu_read_lock_sched_held+0x14f/0x180
[  572.980649]  __do_softirq+0x308/0xb7e
[  572.984467]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  572.988961]  ? lock_downgrade+0x900/0x900
[  572.993116]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  572.998227]  ? pvclock_read_flags+0x160/0x160
[  573.002741]  ? lapic_next_event+0x5a/0x90
[  573.006893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  573.012900]  ? kvm_clock_read+0x18/0x30
[  573.016882]  ? kvm_sched_clock_read+0x9/0x20
[  573.021328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  573.026871]  ? check_preemption_disabled+0x48/0x280
[  573.031899]  irq_exit+0x17f/0x1c0
[  573.035357]  smp_apic_timer_interrupt+0x1cb/0x760
[  573.040195]  ? smp_reschedule_interrupt+0x109/0x650
[  573.045216]  ? smp_call_function_single_interrupt+0x650/0x650
[  573.051103]  ? interrupt_entry+0xb5/0xc0
[  573.055170]  ? trace_hardirqs_off_caller+0xbb/0x310
[  573.060185]  ? trace_hardirqs_off_caller+0xbb/0x310
[  573.065205]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  573.070046]  ? trace_hardirqs_on_caller+0x310/0x310
[  573.075060]  ? trace_hardirqs_on_caller+0x310/0x310
[  573.080080]  ? task_prio+0x50/0x50
[  573.083631]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  573.089172]  ? check_preemption_disabled+0x48/0x280
[  573.094189]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  573.099038]  apic_timer_interrupt+0xf/0x20
[  573.103269]  </IRQ>
[  573.105504] RIP: 0010:console_unlock+0x102f/0x1190
[  573.110499] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  573.129414] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  573.137121] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  573.145483] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  573.152777] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  573.160044] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  573.167312] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  573.174587]  ? netconsole_netdev_event+0x280/0x280
[  573.179538]  ? console_unlock+0x1026/0x1190
[  573.183901]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  573.188591]  ? vprintk_emit+0x846/0x990
[  573.192569]  ? lock_release+0xa00/0xa00
[  573.196553]  ? trace_hardirqs_on+0x30/0x310
[  573.200874]  ? vprintk_default+0x28/0x30
[  573.204978]  ? trace_hardirqs_off_caller+0x310/0x310
[  573.210080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  573.215629]  vprintk_emit+0x391/0x990
[  573.219437]  ? wake_up_klogd+0x180/0x180
[  573.223510]  ? find_held_lock+0x31/0x1c0
[  573.227600]  ? mark_held_locks+0xc7/0x130
[  573.231753]  ? _raw_spin_unlock_irq+0x27/0x80
[  573.236248]  ? _raw_spin_unlock_irq+0x27/0x80
[  573.240753]  vprintk_default+0x28/0x30
[  573.244646]  vprintk_func+0x7e/0x181
[  573.248381]  printk+0xa7/0xcf
[  573.251503]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  573.256273]  ? _raw_spin_unlock_irq+0x60/0x80
[  573.260786]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  573.266074]  dump_header+0x7cc/0xf72
[  573.269797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  573.275343]  ? check_preemption_disabled+0x48/0x280
[  573.280364]  ? pagefault_out_of_memory+0x197/0x197
[  573.285292]  ? debug_smp_processor_id+0x1c/0x20
[  573.289984]  ? perf_trace_lock+0x14d/0x7a0
[  573.294238]  ? mark_held_locks+0x130/0x130
[  573.298476]  ? lock_is_held_type+0x210/0x210
[  573.302939]  ? debug_smp_processor_id+0x1c/0x20
[  573.307609]  ? zap_class+0x640/0x640
[  573.311333]  ? lock_is_held_type+0x210/0x210
[  573.315743]  ? perf_trace_lock+0x14d/0x7a0
[  573.319986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  573.325542]  ? find_held_lock+0x36/0x1c0
[  573.329634]  ? mark_held_locks+0xc7/0x130
[  573.333807]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  573.338912]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  573.344019]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  573.348605]  ? trace_hardirqs_on+0xbd/0x310
[  573.352932]  ? kasan_check_read+0x11/0x20
[  573.357078]  ? ___ratelimit+0x3b4/0x672
[  573.361055]  ? trace_hardirqs_off_caller+0x310/0x310
[  573.366164]  ? trace_hardirqs_on+0x310/0x310
[  573.370580]  ? lock_downgrade+0x900/0x900
[  573.374738]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  573.379843]  ? ___ratelimit+0x3b9/0x672
[  573.383820]  ? idr_get_free+0xf70/0xf70
[  573.387798]  ? lock_is_held_type+0x210/0x210
[  573.392221]  oom_kill_process.cold.27+0x10/0x903
[  573.396979]  ? zap_class+0x640/0x640
[  573.400726]  ? _raw_spin_unlock+0x2c/0x50
[  573.404871]  ? oom_badness+0xe6/0xaa0
[  573.408679]  ? oom_evaluate_task+0x540/0x540
[  573.413089]  ? find_held_lock+0x36/0x1c0
[  573.417157]  ? out_of_memory+0x974/0x1430
[  573.421306]  ? lock_downgrade+0x900/0x900
[  573.425456]  ? check_preemption_disabled+0x48/0x280
[  573.430478]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  573.435408]  ? kasan_check_read+0x11/0x20
[  573.439575]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  573.444864]  ? rcu_softirq_qs+0x20/0x20
[  573.448847]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  573.453859]  ? oom_evaluate_task+0x302/0x540
[  573.458275]  out_of_memory+0xa84/0x1430
[  573.462259]  ? oom_killer_disable+0x3a0/0x3a0
[  573.466759]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  573.471694]  ? __ww_mutex_check_waiters+0x160/0x160
[  573.476725]  __alloc_pages_slowpath+0x232c/0x2de0
[  573.481623]  ? warn_alloc+0x120/0x120
[  573.485427]  ? mark_held_locks+0x130/0x130
[  573.489668]  ? find_get_entry+0xaae/0x1120
[  573.493911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  573.499484]  ? check_preemption_disabled+0x48/0x280
[  573.504509]  ? filemap_map_pages+0x1a20/0x1a20
[  573.509110]  ? debug_smp_processor_id+0x1c/0x20
[  573.513779]  ? perf_trace_lock+0x14d/0x7a0
[  573.518027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  573.523578]  ? should_fail+0x22d/0xd01
[  573.527476]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  573.532587]  ? zap_class+0x640/0x640
[  573.536331]  ? __lock_is_held+0xb5/0x140
[  573.540401]  ? mark_held_locks+0x130/0x130
[  573.544640]  ? lock_release+0xa00/0xa00
[  573.548633]  ? perf_trace_sched_process_exec+0x860/0x860
[  573.554080]  ? xa_load+0x2ba/0x460
[  573.557621]  ? lock_downgrade+0x900/0x900
[  573.561780]  ? __might_sleep+0x95/0x190
[  573.565767]  __alloc_pages_nodemask+0xad8/0xea0
[  573.570455]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  573.575470]  ? __page_cache_alloc+0x191/0x5c0
[  573.580000]  ? xa_load+0x2e1/0x460
[  573.583553]  ? xa_clear_mark+0x40/0x40
[  573.587445]  ? zap_class+0x640/0x640
[  573.591171]  ? zap_class+0x640/0x640
[  573.594889]  ? zap_class+0x640/0x640
[  573.598603]  ? __do_page_cache_readahead+0x663/0x810
[  573.603718]  ? find_held_lock+0x36/0x1c0
[  573.607789]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  573.613333]  alloc_pages_current+0x173/0x350
[  573.617749]  __page_cache_alloc+0x38c/0x5c0
[  573.622072]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  573.627013]  ? kasan_check_read+0x11/0x20
[  573.631169]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  573.636445]  ? generic_perform_write+0x6a0/0x6a0
[  573.641203]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  573.646756]  ? check_preemption_disabled+0x48/0x280
[  573.651782]  filemap_fault+0x1595/0x25f0
[  573.655862]  ? __lock_page_or_retry+0xa00/0xa00
[  573.660548]  ? mark_held_locks+0x130/0x130
[  573.664815]  ? filemap_map_pages+0xd6b/0x1a20
[  573.669315]  ? lock_downgrade+0x900/0x900
[  573.673462]  ? check_preemption_disabled+0x48/0x280
[  573.678484]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  573.683423]  ? kasan_check_read+0x11/0x20
[  573.687575]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  573.692851]  ? rcu_softirq_qs+0x20/0x20
[  573.696844]  ? filemap_map_pages+0xd92/0x1a20
[  573.701402]  ? find_get_entries_tag+0x1400/0x1400
[  573.706246]  ? debug_object_destroy+0x2b0/0x2b0
[  573.710934]  ? lock_pi_update_atomic+0x150/0x150
[  573.715693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  573.721242]  ? lock_acquire+0x1ed/0x520
[  573.725228]  ? ext4_filemap_fault+0x7a/0xad
[  573.729568]  ? lock_release+0xa00/0xa00
[  573.733556]  ? perf_trace_sched_process_exec+0x860/0x860
[  573.739021]  ? print_usage_bug+0xc0/0xc0
[  573.743112]  ? print_usage_bug+0xc0/0xc0
[  573.747187]  ? down_read+0x8d/0x120
[  573.750814]  ? ext4_filemap_fault+0x7a/0xad
[  573.755170]  ? __down_interruptible+0x700/0x700
[  573.759854]  ext4_filemap_fault+0x82/0xad
[  573.764034]  __do_fault+0x100/0x6b0
[  573.767670]  ? pmd_devmap_trans_unstable+0x220/0x220
[  573.772777]  ? mark_held_locks+0x130/0x130
[  573.777014]  ? mark_held_locks+0x130/0x130
[  573.781297]  ? debug_smp_processor_id+0x1c/0x20
[  573.785982]  ? perf_trace_lock+0x14d/0x7a0
[  573.790217]  ? lock_downgrade+0x900/0x900
[  573.794372]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  573.799916]  __handle_mm_fault+0x3ea0/0x5be0
[  573.804334]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  573.809226]  ? lock_is_held_type+0x210/0x210
[  573.813655]  ? file_remove_privs+0x540/0x540
[  573.818073]  ? file_remove_privs+0x540/0x540
[  573.822500]  ? zap_class+0x640/0x640
[  573.826242]  ? zap_class+0x640/0x640
[  573.829973]  ? __x64_sys_futex+0x53e/0x6a0
[  573.834230]  ? find_held_lock+0x36/0x1c0
[  573.838302]  ? handle_mm_fault+0x42a/0xc70
[  573.842552]  ? lock_downgrade+0x900/0x900
[  573.846720]  ? check_preemption_disabled+0x48/0x280
[  573.851742]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  573.856672]  ? kasan_check_read+0x11/0x20
[  573.860819]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  573.866110]  ? rcu_softirq_qs+0x20/0x20
[  573.870081]  ? trace_hardirqs_off_caller+0x310/0x310
[  573.875185]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  573.880810]  ? check_preemption_disabled+0x48/0x280
[  573.885851]  handle_mm_fault+0x54f/0xc70
[  573.889916]  ? __handle_mm_fault+0x5be0/0x5be0
[  573.894505]  ? find_vma+0x34/0x190
[  573.898085]  __do_page_fault+0x5e8/0xe60
[  573.902148]  ? trace_hardirqs_off+0xb8/0x310
[  573.906576]  do_page_fault+0xf2/0x7e0
[  573.910382]  ? vmalloc_sync_all+0x30/0x30
[  573.914553]  ? error_entry+0x70/0xd0
[  573.918268]  ? trace_hardirqs_off_caller+0xbb/0x310
[  573.923283]  ? trace_hardirqs_on_caller+0xc0/0x310
[  573.928212]  ? syscall_return_slowpath+0x5e0/0x5e0
[  573.933143]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  573.937989]  ? trace_hardirqs_on_caller+0x310/0x310
[  573.943003]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  573.948461]  ? prepare_exit_to_usermode+0x291/0x3b0
[  573.953481]  ? page_fault+0x8/0x30
[  573.957031]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  573.961883]  ? page_fault+0x8/0x30
[  573.965422]  page_fault+0x1e/0x30
[  573.968877] RIP: 0033:0x45ddf3
[  573.972105] Code: Bad RIP value.
[  573.975469] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  573.980862] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  573.988130] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  573.995404] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  574.002674] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  574.010441] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  574.017743] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  574.017750] warn_alloc_show_mem: 1 callbacks suppressed
[  574.017757] Mem-Info:
[  574.025119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  574.030491] active_anon:147110 inactive_anon:190 isolated_anon:0
[  574.030491]  active_file:13 inactive_file:13 isolated_file:2
[  574.030491]  unevictable:1 dirty:0 writeback:0 unstable:0
[  574.030491]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  574.030491]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  574.030491]  free:13705 free_pcp:247 free_cma:0
[  574.032867] Call Trace:
[  574.042255] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  574.075272]  <IRQ>
[  574.077842] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  574.105337]  dump_stack+0x244/0x39d
[  574.107461] lowmem_reserve[]: 0 2818 6321 6321
[  574.133571]  ? dump_stack_print_info.cold.1+0x20/0x20
[  574.137176] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  574.141766]  warn_alloc.cold.116+0xb7/0x1bd
[  574.146924] lowmem_reserve[]: 0 0 3503 3503
[  574.174601]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  574.178905] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  574.183226]  ? lock_downgrade+0x900/0x900
[  574.188052] lowmem_reserve[]: 0 0 0 0
[  574.216949]  ? trace_hardirqs_off+0xb8/0x310
[  574.221075] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  574.224885]  ? trace_hardirqs_off+0xb8/0x310
[  574.229276] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  574.242810]  __alloc_pages_slowpath+0x2651/0x2de0
[  574.247199] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  574.262316]  ? warn_alloc+0x120/0x120
[  574.267127] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  574.281690]  ? print_usage_bug+0xc0/0xc0
[  574.285479] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  574.294312]  ? warn_alloc+0x120/0x120
[  574.298358] 274 total pagecache pages
[  574.306932]  ? warn_alloc+0x120/0x120
[  574.310723] 0 pages in swap cache
[  574.314532]  ? print_usage_bug+0xc0/0xc0
[  574.318322] Swap cache stats: add 0, delete 0, find 0/0
[  574.321778]  ? kvm_clock_read+0x18/0x30
[  574.325826] Free swap  = 0kB
[  574.331195]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  574.335153] Total swap = 0kB
[  574.338171]  ? print_usage_bug+0xc0/0xc0
[  574.343175] 1965979 pages RAM
[  574.346197]  ? __lock_acquire+0x62f/0x4c20
[  574.350242] 0 pages HighMem/MovableOnly
[  574.353351]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  574.357570] 342854 pages reserved
[  574.361568]  ? should_fail+0x22d/0xd01
[  574.367087] 0 pages cma reserved
[  574.370563]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  574.374498] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  574.377806]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  574.377822]  ? __lock_acquire+0x62f/0x4c20
[  574.377841]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  574.383163] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  574.389597]  ? __lock_acquire+0x62f/0x4c20
[  574.394685] syz-fuzzer cpuset=/ mems_allowed=0
[  574.398925]  ? should_fail+0x22d/0xd01
[  574.426929]  ? rcu_irq_exit+0x1a2/0x390
[  574.430927]  ? mark_held_locks+0x130/0x130
[  574.435178]  ? mark_held_locks+0x130/0x130
[  574.439421]  ? perf_trace_lock+0x14d/0x7a0
[  574.443672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.449221]  ? check_preemption_disabled+0x48/0x280
[  574.454248]  ? zap_class+0x640/0x640
[  574.457983]  ? debug_smp_processor_id+0x1c/0x20
[  574.462659]  ? perf_trace_lock+0x14d/0x7a0
[  574.466906]  ? check_preemption_disabled+0x48/0x280
[  574.471940]  ? lock_is_held_type+0x210/0x210
[  574.476361]  ? __lock_is_held+0xb5/0x140
[  574.480438]  __alloc_pages_nodemask+0xad8/0xea0
[  574.485118]  ? zap_class+0x640/0x640
[  574.488847]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  574.493885]  ? find_held_lock+0x36/0x1c0
[  574.497981]  ? ____cache_alloc_node+0x1c7/0x1e0
[  574.502659]  ? lock_downgrade+0x900/0x900
[  574.506825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.512382]  cache_grow_begin+0xa5/0x8c0
[  574.516452]  ? do_raw_spin_unlock+0xa7/0x330
[  574.520882]  fallback_alloc+0x204/0x2e0
[  574.524873]  ____cache_alloc_node+0x1c7/0x1e0
[  574.529386]  kmem_cache_alloc_node+0xe3/0x730
[  574.533897]  ? ipv6_get_ifaddr+0x42e/0x620
[  574.538154]  __alloc_skb+0x119/0x770
[  574.541881]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  574.547175]  ? netdev_alloc_frag+0x1f0/0x1f0
[  574.551596]  ? lock_downgrade+0x900/0x900
[  574.555761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.561309]  ? refcount_sub_and_test_checked+0x203/0x310
[  574.566777]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  574.572239]  ? addrconf_rs_timer+0x690/0x690
[  574.576673]  ndisc_alloc_skb+0x144/0x340
[  574.580749]  ndisc_send_rs+0x331/0x6e0
[  574.584655]  addrconf_rs_timer+0x314/0x690
[  574.588905]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  574.593161]  call_timer_fn+0x272/0x920
[  574.597062]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  574.601309]  ? process_timeout+0x40/0x40
[  574.605389]  ? __run_timers+0x7da/0xc70
[  574.609375]  ? _raw_spin_unlock_irq+0x27/0x80
[  574.613878]  ? _raw_spin_unlock_irq+0x27/0x80
[  574.618379]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  574.622626]  ? lockdep_hardirqs_on+0x296/0x5b0
[  574.627223]  ? trace_hardirqs_on+0xbd/0x310
[  574.631568]  ? kasan_check_read+0x11/0x20
[  574.635723]  ? __run_timers+0x7da/0xc70
[  574.639712]  ? trace_hardirqs_off_caller+0x310/0x310
[  574.644833]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  574.649083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  574.653328]  __run_timers+0x7e5/0xc70
[  574.657150]  ? timer_fixup_init+0x70/0x70
[  574.661312]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  574.666342]  ? zap_class+0x640/0x640
[  574.670070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.675621]  ? check_preemption_disabled+0x48/0x280
[  574.680658]  ? debug_smp_processor_id+0x1c/0x20
[  574.685335]  ? perf_trace_lock+0x14d/0x7a0
[  574.689593]  ? find_held_lock+0x36/0x1c0
[  574.693672]  ? zap_class+0x640/0x640
[  574.697400]  ? pvclock_read_flags+0x160/0x160
[  574.701909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.707461]  ? check_preemption_disabled+0x48/0x280
[  574.712503]  ? __lock_is_held+0xb5/0x140
[  574.716597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.722147]  ? check_preemption_disabled+0x48/0x280
[  574.727180]  run_timer_softirq+0x52/0xb0
[  574.731255]  ? rcu_read_lock_sched_held+0x14f/0x180
[  574.736285]  __do_softirq+0x308/0xb7e
[  574.740102]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  574.744606]  ? lock_downgrade+0x900/0x900
[  574.748771]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  574.753895]  ? pvclock_read_flags+0x160/0x160
[  574.758402]  ? lapic_next_event+0x5a/0x90
[  574.762580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.768132]  ? kvm_clock_read+0x18/0x30
[  574.772115]  ? kvm_sched_clock_read+0x9/0x20
[  574.776554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.782102]  ? check_preemption_disabled+0x48/0x280
[  574.787137]  irq_exit+0x17f/0x1c0
[  574.790607]  smp_apic_timer_interrupt+0x1cb/0x760
[  574.795461]  ? smp_reschedule_interrupt+0x109/0x650
[  574.800486]  ? smp_call_function_single_interrupt+0x650/0x650
[  574.806395]  ? interrupt_entry+0xb5/0xc0
[  574.810469]  ? trace_hardirqs_off_caller+0xbb/0x310
[  574.815491]  ? trace_hardirqs_off_caller+0xbb/0x310
[  574.820553]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  574.825412]  ? trace_hardirqs_on_caller+0x310/0x310
[  574.830437]  ? trace_hardirqs_on_caller+0x310/0x310
[  574.835463]  ? task_prio+0x50/0x50
[  574.839015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.844577]  ? check_preemption_disabled+0x48/0x280
[  574.849615]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  574.854485]  apic_timer_interrupt+0xf/0x20
[  574.858743]  </IRQ>
[  574.860995] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  574.865944] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  574.884855] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  574.892571] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  574.899847] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  574.907121] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  574.914396] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  574.921674] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  574.928996]  skb_clone+0x1bb/0x500
[  574.932572]  ? skb_split+0x11e0/0x11e0
[  574.936473]  ? debug_smp_processor_id+0x1c/0x20
[  574.941151]  ? perf_trace_lock+0x14d/0x7a0
[  574.945394]  ? __switch_to_asm+0x34/0x70
[  574.949466]  ? __switch_to_asm+0x40/0x70
[  574.953551]  ? __switch_to_asm+0x40/0x70
[  574.957624]  ? __switch_to_asm+0x34/0x70
[  574.961709]  bpf_clone_redirect+0xb9/0x490
[  574.965994]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  574.970953]  ? __sched_text_start+0x8/0x8
[  574.975126]  ? find_held_lock+0x36/0x1c0
[  574.979211]  ? lock_acquire+0x1ed/0x520
[  574.983195]  ? bpf_test_run+0x3cb/0x780
[  574.987182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  574.992730]  ? check_preemption_disabled+0x48/0x280
[  574.997764]  ? kasan_check_read+0x11/0x20
[  575.001922]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  575.007209]  ? rcu_softirq_qs+0x20/0x20
[  575.011353]  ? preempt_schedule+0x4d/0x60
[  575.015513]  ? ___preempt_schedule+0x16/0x18
[  575.019961]  ? bpf_test_run+0x25d/0x780
[  575.023958]  ? netlink_diag_dump+0x2a0/0x2a0
[  575.028384]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  575.033939]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  575.038717]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  575.043572]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  575.049123]  ? fput+0x130/0x1a0
[  575.052421]  ? __bpf_prog_get+0x9b/0x290
[  575.056501]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  575.061374]  ? bpf_prog_test_run+0x130/0x1a0
[  575.065799]  ? __x64_sys_bpf+0x3d8/0x520
[  575.069870]  ? bpf_prog_get+0x20/0x20
[  575.073703]  ? do_syscall_64+0x1b9/0x820
[  575.077778]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  575.083155]  ? syscall_return_slowpath+0x5e0/0x5e0
[  575.088096]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  575.092952]  ? trace_hardirqs_on_caller+0x310/0x310
[  575.097983]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  575.103015]  ? prepare_exit_to_usermode+0x291/0x3b0
[  575.108056]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  575.112917]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  575.118356] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  575.118429] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  575.125381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  575.125390] Call Trace:
[  575.131970] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  575.141368]  <IRQ>
[  575.143947] syz-executor4 cpuset=syz4 mems_allowed=0
[  575.154434]  dump_stack+0x244/0x39d
[  575.165301]  ? dump_stack_print_info.cold.1+0x20/0x20
[  575.170541]  warn_alloc.cold.116+0xb7/0x1bd
[  575.174876]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  575.179733]  ? lock_downgrade+0x900/0x900
[  575.183897]  ? trace_hardirqs_off+0xb8/0x310
[  575.188322]  ? trace_hardirqs_off+0xb8/0x310
[  575.192750]  __alloc_pages_slowpath+0x2651/0x2de0
[  575.197638]  ? warn_alloc+0x120/0x120
[  575.201451]  ? print_usage_bug+0xc0/0xc0
[  575.205540]  ? warn_alloc+0x120/0x120
[  575.209358]  ? debug_smp_processor_id+0x1c/0x20
[  575.214038]  ? warn_alloc+0x120/0x120
[  575.217855]  ? print_usage_bug+0xc0/0xc0
[  575.221936]  ? print_usage_bug+0xc0/0xc0
[  575.226012]  ? __lock_acquire+0x62f/0x4c20
[  575.230265]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  575.235813]  ? should_fail+0x22d/0xd01
[  575.239717]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  575.244829]  ? __lock_acquire+0x62f/0x4c20
[  575.249083]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  575.254196]  ? __lock_acquire+0x62f/0x4c20
[  575.258440]  ? should_fail+0x22d/0xd01
[  575.262335]  ? find_held_lock+0x36/0x1c0
[  575.266419]  ? mark_held_locks+0x130/0x130
[  575.270671]  ? mark_held_locks+0x130/0x130
[  575.274914]  ? perf_trace_lock+0x14d/0x7a0
[  575.279158]  ? zap_class+0x640/0x640
[  575.282891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.288440]  ? check_preemption_disabled+0x48/0x280
[  575.293462]  ? zap_class+0x640/0x640
[  575.297193]  ? debug_smp_processor_id+0x1c/0x20
[  575.301872]  ? perf_trace_lock+0x14d/0x7a0
[  575.306115]  ? check_preemption_disabled+0x48/0x280
[  575.311150]  ? lock_is_held_type+0x210/0x210
[  575.315573]  ? __lock_is_held+0xb5/0x140
[  575.319651]  __alloc_pages_nodemask+0xad8/0xea0
[  575.324329]  ? zap_class+0x640/0x640
[  575.328060]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  575.333098]  ? find_held_lock+0x36/0x1c0
[  575.337179]  ? ____cache_alloc_node+0x1c7/0x1e0
[  575.341862]  ? lock_downgrade+0x900/0x900
[  575.346031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.351589]  cache_grow_begin+0xa5/0x8c0
[  575.355664]  ? do_raw_spin_unlock+0xa7/0x330
[  575.360095]  fallback_alloc+0x204/0x2e0
[  575.364087]  ____cache_alloc_node+0x1c7/0x1e0
[  575.368598]  kmem_cache_alloc_node+0xe3/0x730
[  575.373107]  ? ipv6_get_ifaddr+0x42e/0x620
[  575.377365]  __alloc_skb+0x119/0x770
[  575.381085]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  575.386378]  ? netdev_alloc_frag+0x1f0/0x1f0
[  575.390798]  ? lock_downgrade+0x900/0x900
[  575.394968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.400537]  ? refcount_sub_and_test_checked+0x203/0x310
[  575.406005]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  575.411465]  ? addrconf_rs_timer+0x690/0x690
[  575.415902]  ndisc_alloc_skb+0x144/0x340
[  575.419981]  ndisc_send_rs+0x331/0x6e0
[  575.423884]  addrconf_rs_timer+0x314/0x690
[  575.428134]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  575.432394]  call_timer_fn+0x272/0x920
[  575.436291]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  575.440555]  ? process_timeout+0x40/0x40
[  575.444648]  ? mark_held_locks+0xc7/0x130
[  575.448807]  ? _raw_spin_unlock_irq+0x27/0x80
[  575.453310]  ? _raw_spin_unlock_irq+0x27/0x80
[  575.457857]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  575.462100]  ? lockdep_hardirqs_on+0x296/0x5b0
[  575.466699]  ? trace_hardirqs_on+0xbd/0x310
[  575.471028]  ? kasan_check_read+0x11/0x20
[  575.475195]  ? __run_timers+0x7da/0xc70
[  575.479180]  ? trace_hardirqs_off_caller+0x310/0x310
[  575.484297]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  575.488568]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  575.492813]  __run_timers+0x7e5/0xc70
[  575.496635]  ? timer_fixup_init+0x70/0x70
[  575.500796]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  575.505820]  ? zap_class+0x640/0x640
[  575.509566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.515114]  ? print_usage_bug+0xc0/0xc0
[  575.519203]  ? debug_smp_processor_id+0x1c/0x20
[  575.523885]  ? perf_trace_lock+0x14d/0x7a0
[  575.528133]  ? find_held_lock+0x36/0x1c0
[  575.532208]  ? zap_class+0x640/0x640
[  575.535936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.541488]  ? check_preemption_disabled+0x48/0x280
[  575.546563]  ? __lock_is_held+0xb5/0x140
[  575.550641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.556204]  ? check_preemption_disabled+0x48/0x280
[  575.561240]  run_timer_softirq+0x52/0xb0
[  575.565312]  ? rcu_read_lock_sched_held+0x14f/0x180
[  575.570341]  __do_softirq+0x308/0xb7e
[  575.574155]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  575.578661]  ? lock_downgrade+0x900/0x900
[  575.582824]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  575.587950]  ? pvclock_read_flags+0x160/0x160
[  575.592462]  ? lapic_next_event+0x5a/0x90
[  575.596626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.602179]  ? kvm_clock_read+0x18/0x30
[  575.606165]  ? kvm_sched_clock_read+0x9/0x20
[  575.610589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.616138]  ? check_preemption_disabled+0x48/0x280
[  575.621174]  irq_exit+0x17f/0x1c0
[  575.624642]  smp_apic_timer_interrupt+0x1cb/0x760
[  575.629495]  ? smp_reschedule_interrupt+0x109/0x650
[  575.634562]  ? smp_call_function_single_interrupt+0x650/0x650
[  575.640461]  ? interrupt_entry+0xb5/0xc0
[  575.644553]  ? trace_hardirqs_off_caller+0xbb/0x310
[  575.649584]  ? trace_hardirqs_off_caller+0xbb/0x310
[  575.654619]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  575.659480]  ? trace_hardirqs_on_caller+0x310/0x310
[  575.664508]  ? trace_hardirqs_on_caller+0x310/0x310
[  575.669571]  ? task_prio+0x50/0x50
[  575.673137]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  575.678684]  ? check_preemption_disabled+0x48/0x280
[  575.683715]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  575.688585]  apic_timer_interrupt+0xf/0x20
[  575.692821]  </IRQ>
[  575.695072] RIP: 0010:console_unlock+0x102f/0x1190
[  575.700014] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  575.718920] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  575.726639] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  575.733917] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  575.741193] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  575.748467] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  575.755747] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  575.763028]  ? netconsole_netdev_event+0x280/0x280
[  575.767978]  ? console_unlock+0x1026/0x1190
[  575.772329]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  575.777004]  ? vprintk_emit+0x846/0x990
[  575.780991]  ? lock_release+0xa00/0xa00
[  575.784976]  ? trace_hardirqs_on+0x30/0x310
[  575.789309]  ? vprintk_default+0x28/0x30
[  575.793382]  ? trace_hardirqs_off_caller+0x310/0x310
[  575.798496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.804069]  vprintk_emit+0x391/0x990
[  575.807888]  ? wake_up_klogd+0x180/0x180
[  575.811966]  ? find_held_lock+0x31/0x1c0
[  575.816052]  ? mark_held_locks+0xc7/0x130
[  575.820215]  ? _raw_spin_unlock_irq+0x27/0x80
[  575.824718]  ? _raw_spin_unlock_irq+0x27/0x80
[  575.829229]  vprintk_default+0x28/0x30
[  575.833130]  vprintk_func+0x7e/0x181
[  575.836859]  printk+0xa7/0xcf
[  575.839975]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  575.844743]  ? _raw_spin_unlock_irq+0x60/0x80
[  575.849263]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  575.854575]  dump_header+0x7cc/0xf72
[  575.858302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.863851]  ? check_preemption_disabled+0x48/0x280
[  575.868879]  ? pagefault_out_of_memory+0x197/0x197
[  575.873820]  ? debug_smp_processor_id+0x1c/0x20
[  575.878498]  ? perf_trace_lock+0x14d/0x7a0
[  575.882764]  ? mark_held_locks+0x130/0x130
[  575.887010]  ? lock_is_held_type+0x210/0x210
[  575.891452]  ? debug_smp_processor_id+0x1c/0x20
[  575.896137]  ? zap_class+0x640/0x640
[  575.899869]  ? lock_is_held_type+0x210/0x210
[  575.904285]  ? perf_trace_lock+0x14d/0x7a0
[  575.908554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  575.914108]  ? find_held_lock+0x36/0x1c0
[  575.918188]  ? mark_held_locks+0xc7/0x130
[  575.922349]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  575.927463]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  575.932628]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  575.937225]  ? trace_hardirqs_on+0xbd/0x310
[  575.941573]  ? kasan_check_read+0x11/0x20
[  575.945735]  ? ___ratelimit+0x3b4/0x672
[  575.949727]  ? trace_hardirqs_off_caller+0x310/0x310
[  575.954841]  ? trace_hardirqs_on+0x310/0x310
[  575.959265]  ? lock_downgrade+0x900/0x900
[  575.963428]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  575.968562]  ? ___ratelimit+0x3b9/0x672
[  575.972567]  ? idr_get_free+0xf70/0xf70
[  575.976566]  ? lock_is_held_type+0x210/0x210
[  575.980993]  oom_kill_process.cold.27+0x10/0x903
[  575.985764]  ? zap_class+0x640/0x640
[  575.989489]  ? _raw_spin_unlock+0x2c/0x50
[  575.993670]  ? oom_badness+0xe6/0xaa0
[  575.997487]  ? oom_evaluate_task+0x540/0x540
[  576.001936]  ? find_held_lock+0x36/0x1c0
[  576.006017]  ? out_of_memory+0x974/0x1430
[  576.010180]  ? lock_downgrade+0x900/0x900
[  576.014338]  ? check_preemption_disabled+0x48/0x280
[  576.019369]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  576.024307]  ? kasan_check_read+0x11/0x20
[  576.028470]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  576.033756]  ? rcu_softirq_qs+0x20/0x20
[  576.037748]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  576.042772]  ? oom_evaluate_task+0x302/0x540
[  576.047194]  out_of_memory+0xa84/0x1430
[  576.051191]  ? oom_killer_disable+0x3a0/0x3a0
[  576.055701]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  576.060647]  ? __ww_mutex_check_waiters+0x160/0x160
[  576.065687]  __alloc_pages_slowpath+0x232c/0x2de0
[  576.070594]  ? warn_alloc+0x120/0x120
[  576.074403]  ? mark_held_locks+0x130/0x130
[  576.078653]  ? find_get_entry+0xaae/0x1120
[  576.082910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  576.088464]  ? check_preemption_disabled+0x48/0x280
[  576.093490]  ? filemap_map_pages+0x1a20/0x1a20
[  576.098106]  ? debug_smp_processor_id+0x1c/0x20
[  576.102782]  ? perf_trace_lock+0x14d/0x7a0
[  576.107036]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  576.112584]  ? should_fail+0x22d/0xd01
[  576.116490]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  576.121631]  ? zap_class+0x640/0x640
[  576.125383]  ? __lock_is_held+0xb5/0x140
[  576.129468]  ? mark_held_locks+0x130/0x130
[  576.133716]  ? lock_release+0xa00/0xa00
[  576.137759]  ? perf_trace_sched_process_exec+0x860/0x860
[  576.143223]  ? xa_load+0x2ba/0x460
[  576.146775]  ? lock_downgrade+0x900/0x900
[  576.150941]  ? __might_sleep+0x95/0x190
[  576.154934]  __alloc_pages_nodemask+0xad8/0xea0
[  576.159626]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  576.164656]  ? __page_cache_alloc+0x191/0x5c0
[  576.169161]  ? xa_load+0x2e1/0x460
[  576.172715]  ? xa_clear_mark+0x40/0x40
[  576.176618]  ? zap_class+0x640/0x640
[  576.180354]  ? zap_class+0x640/0x640
[  576.184079]  ? zap_class+0x640/0x640
[  576.187803]  ? __do_page_cache_readahead+0x663/0x810
[  576.192921]  ? find_held_lock+0x36/0x1c0
[  576.196999]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  576.202570]  alloc_pages_current+0x173/0x350
[  576.206995]  __page_cache_alloc+0x38c/0x5c0
[  576.211328]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  576.216270]  ? kasan_check_read+0x11/0x20
[  576.220427]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  576.225743]  ? generic_perform_write+0x6a0/0x6a0
[  576.230512]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  576.236086]  ? check_preemption_disabled+0x48/0x280
[  576.241121]  filemap_fault+0x1595/0x25f0
[  576.245218]  ? __lock_page_or_retry+0xa00/0xa00
[  576.249900]  ? mark_held_locks+0x130/0x130
[  576.254159]  ? filemap_map_pages+0xd6b/0x1a20
[  576.258665]  ? lock_downgrade+0x900/0x900
[  576.262840]  ? check_preemption_disabled+0x48/0x280
[  576.267880]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  576.272818]  ? kasan_check_read+0x11/0x20
[  576.276980]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  576.282265]  ? rcu_softirq_qs+0x20/0x20
[  576.286264]  ? filemap_map_pages+0xd92/0x1a20
[  576.290789]  ? find_get_entries_tag+0x1400/0x1400
[  576.295644]  ? debug_object_destroy+0x2b0/0x2b0
[  576.300330]  ? lock_pi_update_atomic+0x150/0x150
[  576.305096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  576.310661]  ? lock_acquire+0x1ed/0x520
[  576.314645]  ? ext4_filemap_fault+0x7a/0xad
[  576.318986]  ? lock_release+0xa00/0xa00
[  576.322972]  ? perf_trace_sched_process_exec+0x860/0x860
[  576.328433]  ? print_usage_bug+0xc0/0xc0
[  576.332506]  ? print_usage_bug+0xc0/0xc0
[  576.336614]  ? down_read+0x8d/0x120
[  576.340248]  ? ext4_filemap_fault+0x7a/0xad
[  576.344590]  ? __down_interruptible+0x700/0x700
[  576.349282]  ext4_filemap_fault+0x82/0xad
[  576.353442]  __do_fault+0x100/0x6b0
[  576.357084]  ? pmd_devmap_trans_unstable+0x220/0x220
[  576.362203]  ? mark_held_locks+0x130/0x130
[  576.366452]  ? mark_held_locks+0x130/0x130
[  576.370698]  ? debug_smp_processor_id+0x1c/0x20
[  576.375376]  ? perf_trace_lock+0x14d/0x7a0
[  576.379624]  ? lock_downgrade+0x900/0x900
[  576.383790]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  576.389341]  __handle_mm_fault+0x3ea0/0x5be0
[  576.393768]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  576.398625]  ? lock_is_held_type+0x210/0x210
[  576.403049]  ? file_remove_privs+0x540/0x540
[  576.407463]  ? file_remove_privs+0x540/0x540
[  576.411898]  ? zap_class+0x640/0x640
[  576.415625]  ? zap_class+0x640/0x640
[  576.419348]  ? __x64_sys_futex+0x53e/0x6a0
[  576.423599]  ? find_held_lock+0x36/0x1c0
[  576.427683]  ? handle_mm_fault+0x42a/0xc70
[  576.431934]  ? lock_downgrade+0x900/0x900
[  576.436090]  ? check_preemption_disabled+0x48/0x280
[  576.441123]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  576.446059]  ? kasan_check_read+0x11/0x20
[  576.450214]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  576.455498]  ? rcu_softirq_qs+0x20/0x20
[  576.459503]  ? trace_hardirqs_off_caller+0x310/0x310
[  576.464634]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  576.470179]  ? check_preemption_disabled+0x48/0x280
[  576.475213]  handle_mm_fault+0x54f/0xc70
[  576.479289]  ? __handle_mm_fault+0x5be0/0x5be0
[  576.483885]  ? find_vma+0x34/0x190
[  576.487441]  __do_page_fault+0x5e8/0xe60
[  576.491514]  ? trace_hardirqs_off+0xb8/0x310
[  576.495980]  do_page_fault+0xf2/0x7e0
[  576.499820]  ? vmalloc_sync_all+0x30/0x30
[  576.503979]  ? error_entry+0x70/0xd0
[  576.507702]  ? trace_hardirqs_off_caller+0xbb/0x310
[  576.512727]  ? trace_hardirqs_on_caller+0xc0/0x310
[  576.517667]  ? syscall_return_slowpath+0x5e0/0x5e0
[  576.522610]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  576.527462]  ? trace_hardirqs_on_caller+0x310/0x310
[  576.532485]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  576.537970]  ? prepare_exit_to_usermode+0x291/0x3b0
[  576.542997]  ? page_fault+0x8/0x30
[  576.546571]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  576.551424]  ? page_fault+0x8/0x30
[  576.554974]  page_fault+0x1e/0x30
[  576.558433] RIP: 0033:0x45ddf3
[  576.561646] Code: Bad RIP value.
[  576.565020] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  576.570395] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  576.577668] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  576.584943] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  576.592222] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  576.599502] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  576.606831] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  576.606837] warn_alloc_show_mem: 1 callbacks suppressed
[  576.606845] Mem-Info:
[  576.614214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  576.619590] active_anon:147110 inactive_anon:190 isolated_anon:0
[  576.619590]  active_file:13 inactive_file:13 isolated_file:2
[  576.619590]  unevictable:1 dirty:0 writeback:0 unstable:0
[  576.619590]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  576.619590]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  576.619590]  free:13705 free_pcp:247 free_cma:0
[  576.621970] Call Trace:
[  576.631368] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  576.664395]  <IRQ>
[  576.666972] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  576.694483]  dump_stack+0x244/0x39d
[  576.696618] lowmem_reserve[]: 0 2818 6321 6321
[  576.722741]  ? dump_stack_print_info.cold.1+0x20/0x20
[  576.726349] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  576.730946]  warn_alloc.cold.116+0xb7/0x1bd
[  576.736110] lowmem_reserve[]: 0 0 3503 3503
[  576.763783]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  576.768091] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  576.772416]  ? lock_downgrade+0x900/0x900
[  576.777289] lowmem_reserve[]: 0 0 0 0
[  576.806189]  ? trace_hardirqs_off+0xb8/0x310
[  576.810315] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  576.814125]  ? trace_hardirqs_off+0xb8/0x310
[  576.818512] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  576.832059]  __alloc_pages_slowpath+0x2651/0x2de0
[  576.836451] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  576.851579]  ? warn_alloc+0x120/0x120
[  576.856386] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  576.870946]  ? print_usage_bug+0xc0/0xc0
[  576.874748] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  576.883582]  ? warn_alloc+0x120/0x120
[  576.887627] 274 total pagecache pages
[  576.896205]  ? warn_alloc+0x120/0x120
[  576.900000] 0 pages in swap cache
[  576.903793]  ? print_usage_bug+0xc0/0xc0
[  576.907584] Swap cache stats: add 0, delete 0, find 0/0
[  576.911043]  ? kvm_clock_read+0x18/0x30
[  576.915086] Free swap  = 0kB
[  576.920451]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  576.924406] Total swap = 0kB
[  576.927429]  ? print_usage_bug+0xc0/0xc0
[  576.932429] 1965979 pages RAM
[  576.935450]  ? __lock_acquire+0x62f/0x4c20
[  576.939494] 0 pages HighMem/MovableOnly
[  576.942624]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  576.946842] 342854 pages reserved
[  576.950817]  ? should_fail+0x22d/0xd01
[  576.956337] 0 pages cma reserved
[  576.959792]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  576.963730] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  576.967035]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  576.967052]  ? __lock_acquire+0x62f/0x4c20
[  576.967071]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  576.972396] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  576.978829]  ? __lock_acquire+0x62f/0x4c20
[  576.983921] syz-fuzzer cpuset=/ mems_allowed=0
[  576.988160]  ? should_fail+0x22d/0xd01
[  577.016372]  ? rcu_irq_exit+0x1a2/0x390
[  577.020369]  ? mark_held_locks+0x130/0x130
[  577.024625]  ? mark_held_locks+0x130/0x130
[  577.028870]  ? perf_trace_lock+0x14d/0x7a0
[  577.033123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.038675]  ? check_preemption_disabled+0x48/0x280
[  577.043707]  ? zap_class+0x640/0x640
[  577.047441]  ? debug_smp_processor_id+0x1c/0x20
[  577.052124]  ? perf_trace_lock+0x14d/0x7a0
[  577.056368]  ? check_preemption_disabled+0x48/0x280
[  577.061400]  ? lock_is_held_type+0x210/0x210
[  577.065822]  ? __lock_is_held+0xb5/0x140
[  577.069905]  __alloc_pages_nodemask+0xad8/0xea0
[  577.074585]  ? zap_class+0x640/0x640
[  577.078316]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  577.083361]  ? find_held_lock+0x36/0x1c0
[  577.087445]  ? ____cache_alloc_node+0x1c7/0x1e0
[  577.092126]  ? lock_downgrade+0x900/0x900
[  577.096292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.101849]  cache_grow_begin+0xa5/0x8c0
[  577.105921]  ? do_raw_spin_unlock+0xa7/0x330
[  577.110348]  fallback_alloc+0x204/0x2e0
[  577.114343]  ____cache_alloc_node+0x1c7/0x1e0
[  577.118858]  kmem_cache_alloc_node+0xe3/0x730
[  577.123364]  ? ipv6_get_ifaddr+0x42e/0x620
[  577.127624]  __alloc_skb+0x119/0x770
[  577.131346]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  577.136637]  ? netdev_alloc_frag+0x1f0/0x1f0
[  577.141577]  ? lock_downgrade+0x900/0x900
[  577.145745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.151294]  ? refcount_sub_and_test_checked+0x203/0x310
[  577.156758]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  577.162220]  ? addrconf_rs_timer+0x690/0x690
[  577.166654]  ndisc_alloc_skb+0x144/0x340
[  577.170735]  ndisc_send_rs+0x331/0x6e0
[  577.174644]  addrconf_rs_timer+0x314/0x690
[  577.178892]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  577.183151]  call_timer_fn+0x272/0x920
[  577.187052]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  577.191300]  ? process_timeout+0x40/0x40
[  577.195378]  ? __run_timers+0x7da/0xc70
[  577.199367]  ? _raw_spin_unlock_irq+0x27/0x80
[  577.203869]  ? _raw_spin_unlock_irq+0x27/0x80
[  577.208369]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  577.212615]  ? lockdep_hardirqs_on+0x296/0x5b0
[  577.217214]  ? trace_hardirqs_on+0xbd/0x310
[  577.221563]  ? kasan_check_read+0x11/0x20
[  577.225844]  ? __run_timers+0x7da/0xc70
[  577.229875]  ? trace_hardirqs_off_caller+0x310/0x310
[  577.234999]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  577.239256]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  577.243504]  __run_timers+0x7e5/0xc70
[  577.247346]  ? timer_fixup_init+0x70/0x70
[  577.251505]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  577.256570]  ? zap_class+0x640/0x640
[  577.260299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.265846]  ? check_preemption_disabled+0x48/0x280
[  577.270880]  ? debug_smp_processor_id+0x1c/0x20
[  577.275575]  ? perf_trace_lock+0x14d/0x7a0
[  577.279827]  ? find_held_lock+0x36/0x1c0
[  577.283906]  ? zap_class+0x640/0x640
[  577.287637]  ? pvclock_read_flags+0x160/0x160
[  577.292149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.297697]  ? check_preemption_disabled+0x48/0x280
[  577.302734]  ? __lock_is_held+0xb5/0x140
[  577.306807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.312356]  ? check_preemption_disabled+0x48/0x280
[  577.317388]  run_timer_softirq+0x52/0xb0
[  577.321461]  ? rcu_read_lock_sched_held+0x14f/0x180
[  577.326486]  __do_softirq+0x308/0xb7e
[  577.330317]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  577.334821]  ? lock_downgrade+0x900/0x900
[  577.338984]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  577.344108]  ? pvclock_read_flags+0x160/0x160
[  577.348617]  ? lapic_next_event+0x5a/0x90
[  577.352776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.358331]  ? kvm_clock_read+0x18/0x30
[  577.362318]  ? kvm_sched_clock_read+0x9/0x20
[  577.366740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.372287]  ? check_preemption_disabled+0x48/0x280
[  577.377325]  irq_exit+0x17f/0x1c0
[  577.380789]  smp_apic_timer_interrupt+0x1cb/0x760
[  577.385639]  ? smp_reschedule_interrupt+0x109/0x650
[  577.390666]  ? smp_call_function_single_interrupt+0x650/0x650
[  577.396575]  ? interrupt_entry+0xb5/0xc0
[  577.400652]  ? trace_hardirqs_off_caller+0xbb/0x310
[  577.405678]  ? trace_hardirqs_off_caller+0xbb/0x310
[  577.410710]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  577.415576]  ? trace_hardirqs_on_caller+0x310/0x310
[  577.420600]  ? trace_hardirqs_on_caller+0x310/0x310
[  577.425625]  ? task_prio+0x50/0x50
[  577.429177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.434724]  ? check_preemption_disabled+0x48/0x280
[  577.439759]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  577.444620]  apic_timer_interrupt+0xf/0x20
[  577.448857]  </IRQ>
[  577.451110] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  577.456056] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  577.474962] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  577.482684] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  577.489964] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  577.497239] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  577.504511] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  577.511807] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  577.519127]  skb_clone+0x1bb/0x500
[  577.522682]  ? skb_split+0x11e0/0x11e0
[  577.526587]  ? debug_smp_processor_id+0x1c/0x20
[  577.531264]  ? perf_trace_lock+0x14d/0x7a0
[  577.535504]  ? __switch_to_asm+0x34/0x70
[  577.539596]  ? __switch_to_asm+0x40/0x70
[  577.543670]  ? __switch_to_asm+0x40/0x70
[  577.547739]  ? __switch_to_asm+0x34/0x70
[  577.551818]  bpf_clone_redirect+0xb9/0x490
[  577.556073]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  577.561016]  ? __sched_text_start+0x8/0x8
[  577.565196]  ? find_held_lock+0x36/0x1c0
[  577.569277]  ? lock_acquire+0x1ed/0x520
[  577.573263]  ? bpf_test_run+0x3cb/0x780
[  577.577247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.582794]  ? check_preemption_disabled+0x48/0x280
[  577.587832]  ? kasan_check_read+0x11/0x20
[  577.591989]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  577.597276]  ? rcu_softirq_qs+0x20/0x20
[  577.601261]  ? preempt_schedule+0x4d/0x60
[  577.605419]  ? ___preempt_schedule+0x16/0x18
[  577.609845]  ? bpf_test_run+0x25d/0x780
[  577.613841]  ? netlink_diag_dump+0x2a0/0x2a0
[  577.618267]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  577.623823]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  577.628606]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  577.633462]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  577.639012]  ? fput+0x130/0x1a0
[  577.642311]  ? __bpf_prog_get+0x9b/0x290
[  577.646386]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  577.651242]  ? bpf_prog_test_run+0x130/0x1a0
[  577.655663]  ? __x64_sys_bpf+0x3d8/0x520
[  577.659735]  ? bpf_prog_get+0x20/0x20
[  577.663587]  ? do_syscall_64+0x1b9/0x820
[  577.667655]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  577.673035]  ? syscall_return_slowpath+0x5e0/0x5e0
[  577.677972]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  577.682829]  ? trace_hardirqs_on_caller+0x310/0x310
[  577.687861]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  577.692889]  ? prepare_exit_to_usermode+0x291/0x3b0
[  577.697923]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  577.702784]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  577.708176] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  577.708258] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  577.715199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  577.715208] Call Trace:
[  577.721791] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  577.731049]  <IRQ>
[  577.733632] syz-executor4 cpuset=syz4 mems_allowed=0
[  577.744122]  dump_stack+0x244/0x39d
[  577.754984]  ? dump_stack_print_info.cold.1+0x20/0x20
[  577.760200]  warn_alloc.cold.116+0xb7/0x1bd
[  577.764557]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  577.769414]  ? lock_downgrade+0x900/0x900
[  577.773589]  ? trace_hardirqs_off+0xb8/0x310
[  577.778014]  ? trace_hardirqs_off+0xb8/0x310
[  577.782446]  __alloc_pages_slowpath+0x2651/0x2de0
[  577.787334]  ? warn_alloc+0x120/0x120
[  577.791147]  ? print_usage_bug+0xc0/0xc0
[  577.795217]  ? warn_alloc+0x120/0x120
[  577.799031]  ? debug_smp_processor_id+0x1c/0x20
[  577.803715]  ? warn_alloc+0x120/0x120
[  577.807546]  ? print_usage_bug+0xc0/0xc0
[  577.811625]  ? print_usage_bug+0xc0/0xc0
[  577.815699]  ? __lock_acquire+0x62f/0x4c20
[  577.819953]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  577.825516]  ? should_fail+0x22d/0xd01
[  577.829440]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  577.834569]  ? __lock_acquire+0x62f/0x4c20
[  577.838823]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  577.843952]  ? __lock_acquire+0x62f/0x4c20
[  577.848194]  ? should_fail+0x22d/0xd01
[  577.852089]  ? find_held_lock+0x36/0x1c0
[  577.856170]  ? mark_held_locks+0x130/0x130
[  577.860424]  ? mark_held_locks+0x130/0x130
[  577.864667]  ? perf_trace_lock+0x14d/0x7a0
[  577.868911]  ? zap_class+0x640/0x640
[  577.872641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.878192]  ? check_preemption_disabled+0x48/0x280
[  577.883215]  ? zap_class+0x640/0x640
[  577.886944]  ? debug_smp_processor_id+0x1c/0x20
[  577.891622]  ? perf_trace_lock+0x14d/0x7a0
[  577.895865]  ? check_preemption_disabled+0x48/0x280
[  577.900899]  ? lock_is_held_type+0x210/0x210
[  577.905318]  ? __lock_is_held+0xb5/0x140
[  577.909397]  __alloc_pages_nodemask+0xad8/0xea0
[  577.914078]  ? zap_class+0x640/0x640
[  577.917808]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  577.922847]  ? find_held_lock+0x36/0x1c0
[  577.926931]  ? ____cache_alloc_node+0x1c7/0x1e0
[  577.931619]  ? lock_downgrade+0x900/0x900
[  577.935789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.941344]  cache_grow_begin+0xa5/0x8c0
[  577.945418]  ? do_raw_spin_unlock+0xa7/0x330
[  577.949846]  fallback_alloc+0x204/0x2e0
[  577.953840]  ____cache_alloc_node+0x1c7/0x1e0
[  577.958356]  kmem_cache_alloc_node+0xe3/0x730
[  577.962866]  ? ipv6_get_ifaddr+0x42e/0x620
[  577.967122]  __alloc_skb+0x119/0x770
[  577.970843]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  577.976137]  ? netdev_alloc_frag+0x1f0/0x1f0
[  577.980570]  ? lock_downgrade+0x900/0x900
[  577.984739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  577.990285]  ? refcount_sub_and_test_checked+0x203/0x310
[  577.995750]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  578.001209]  ? addrconf_rs_timer+0x690/0x690
[  578.005643]  ndisc_alloc_skb+0x144/0x340
[  578.009725]  ndisc_send_rs+0x331/0x6e0
[  578.013631]  addrconf_rs_timer+0x314/0x690
[  578.017880]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  578.022139]  call_timer_fn+0x272/0x920
[  578.026038]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  578.030282]  ? process_timeout+0x40/0x40
[  578.034365]  ? mark_held_locks+0xc7/0x130
[  578.038543]  ? _raw_spin_unlock_irq+0x27/0x80
[  578.043049]  ? _raw_spin_unlock_irq+0x27/0x80
[  578.047564]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  578.051810]  ? lockdep_hardirqs_on+0x296/0x5b0
[  578.056408]  ? trace_hardirqs_on+0xbd/0x310
[  578.060740]  ? kasan_check_read+0x11/0x20
[  578.064896]  ? __run_timers+0x7da/0xc70
[  578.068883]  ? trace_hardirqs_off_caller+0x310/0x310
[  578.073999]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  578.078255]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  578.082501]  __run_timers+0x7e5/0xc70
[  578.086349]  ? timer_fixup_init+0x70/0x70
[  578.090513]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  578.095593]  ? zap_class+0x640/0x640
[  578.099320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.104870]  ? print_usage_bug+0xc0/0xc0
[  578.108947]  ? debug_smp_processor_id+0x1c/0x20
[  578.113627]  ? perf_trace_lock+0x14d/0x7a0
[  578.117884]  ? find_held_lock+0x36/0x1c0
[  578.121959]  ? zap_class+0x640/0x640
[  578.125691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.131243]  ? check_preemption_disabled+0x48/0x280
[  578.136282]  ? __lock_is_held+0xb5/0x140
[  578.140358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.145904]  ? check_preemption_disabled+0x48/0x280
[  578.150935]  run_timer_softirq+0x52/0xb0
[  578.155011]  ? rcu_read_lock_sched_held+0x14f/0x180
[  578.160045]  __do_softirq+0x308/0xb7e
[  578.163863]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  578.168369]  ? lock_downgrade+0x900/0x900
[  578.172550]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  578.177677]  ? pvclock_read_flags+0x160/0x160
[  578.182185]  ? lapic_next_event+0x5a/0x90
[  578.186346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.191903]  ? kvm_clock_read+0x18/0x30
[  578.195885]  ? kvm_sched_clock_read+0x9/0x20
[  578.200308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.205855]  ? check_preemption_disabled+0x48/0x280
[  578.210896]  irq_exit+0x17f/0x1c0
[  578.214359]  smp_apic_timer_interrupt+0x1cb/0x760
[  578.219211]  ? smp_reschedule_interrupt+0x109/0x650
[  578.224243]  ? smp_call_function_single_interrupt+0x650/0x650
[  578.230139]  ? interrupt_entry+0xb5/0xc0
[  578.234216]  ? trace_hardirqs_off_caller+0xbb/0x310
[  578.239246]  ? trace_hardirqs_off_caller+0xbb/0x310
[  578.244275]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  578.249130]  ? trace_hardirqs_on_caller+0x310/0x310
[  578.254159]  ? trace_hardirqs_on_caller+0x310/0x310
[  578.259187]  ? task_prio+0x50/0x50
[  578.262738]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  578.268286]  ? check_preemption_disabled+0x48/0x280
[  578.273317]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  578.278180]  apic_timer_interrupt+0xf/0x20
[  578.282418]  </IRQ>
[  578.284665] RIP: 0010:console_unlock+0x102f/0x1190
[  578.289607] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  578.308536] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  578.316259] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  578.323590] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  578.330867] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  578.338143] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  578.345421] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  578.352704]  ? netconsole_netdev_event+0x280/0x280
[  578.357655]  ? console_unlock+0x1026/0x1190
[  578.362006]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  578.366680]  ? vprintk_emit+0x846/0x990
[  578.370668]  ? lock_release+0xa00/0xa00
[  578.374654]  ? trace_hardirqs_on+0x30/0x310
[  578.378990]  ? vprintk_default+0x28/0x30
[  578.383061]  ? trace_hardirqs_off_caller+0x310/0x310
[  578.388178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.393737]  vprintk_emit+0x391/0x990
[  578.397578]  ? wake_up_klogd+0x180/0x180
[  578.401656]  ? find_held_lock+0x31/0x1c0
[  578.405739]  ? mark_held_locks+0xc7/0x130
[  578.409896]  ? _raw_spin_unlock_irq+0x27/0x80
[  578.414398]  ? _raw_spin_unlock_irq+0x27/0x80
[  578.418911]  vprintk_default+0x28/0x30
[  578.422814]  vprintk_func+0x7e/0x181
[  578.426560]  printk+0xa7/0xcf
[  578.429679]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  578.434445]  ? _raw_spin_unlock_irq+0x60/0x80
[  578.438962]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  578.444259]  dump_header+0x7cc/0xf72
[  578.447991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.453562]  ? check_preemption_disabled+0x48/0x280
[  578.458594]  ? pagefault_out_of_memory+0x197/0x197
[  578.463555]  ? debug_smp_processor_id+0x1c/0x20
[  578.468234]  ? perf_trace_lock+0x14d/0x7a0
[  578.472484]  ? mark_held_locks+0x130/0x130
[  578.476730]  ? lock_is_held_type+0x210/0x210
[  578.481158]  ? debug_smp_processor_id+0x1c/0x20
[  578.485837]  ? zap_class+0x640/0x640
[  578.489582]  ? lock_is_held_type+0x210/0x210
[  578.493997]  ? perf_trace_lock+0x14d/0x7a0
[  578.498249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.503805]  ? find_held_lock+0x36/0x1c0
[  578.507886]  ? mark_held_locks+0xc7/0x130
[  578.512047]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  578.517162]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  578.522277]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  578.526871]  ? trace_hardirqs_on+0xbd/0x310
[  578.531203]  ? kasan_check_read+0x11/0x20
[  578.535358]  ? ___ratelimit+0x3b4/0x672
[  578.539342]  ? trace_hardirqs_off_caller+0x310/0x310
[  578.544459]  ? trace_hardirqs_on+0x310/0x310
[  578.548879]  ? lock_downgrade+0x900/0x900
[  578.553048]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  578.558165]  ? ___ratelimit+0x3b9/0x672
[  578.562156]  ? idr_get_free+0xf70/0xf70
[  578.566141]  ? lock_is_held_type+0x210/0x210
[  578.570581]  oom_kill_process.cold.27+0x10/0x903
[  578.575347]  ? zap_class+0x640/0x640
[  578.579071]  ? _raw_spin_unlock+0x2c/0x50
[  578.583226]  ? oom_badness+0xe6/0xaa0
[  578.587045]  ? oom_evaluate_task+0x540/0x540
[  578.591471]  ? find_held_lock+0x36/0x1c0
[  578.595572]  ? out_of_memory+0x974/0x1430
[  578.599737]  ? lock_downgrade+0x900/0x900
[  578.603893]  ? check_preemption_disabled+0x48/0x280
[  578.608927]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  578.613863]  ? kasan_check_read+0x11/0x20
[  578.618018]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  578.623304]  ? rcu_softirq_qs+0x20/0x20
[  578.627291]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  578.632314]  ? oom_evaluate_task+0x302/0x540
[  578.636737]  out_of_memory+0xa84/0x1430
[  578.640730]  ? oom_killer_disable+0x3a0/0x3a0
[  578.645237]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  578.650180]  ? __ww_mutex_check_waiters+0x160/0x160
[  578.655222]  __alloc_pages_slowpath+0x232c/0x2de0
[  578.660109]  ? warn_alloc+0x120/0x120
[  578.663915]  ? mark_held_locks+0x130/0x130
[  578.668164]  ? find_get_entry+0xaae/0x1120
[  578.672420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.677965]  ? check_preemption_disabled+0x48/0x280
[  578.682989]  ? filemap_map_pages+0x1a20/0x1a20
[  578.687588]  ? debug_smp_processor_id+0x1c/0x20
[  578.692268]  ? perf_trace_lock+0x14d/0x7a0
[  578.696544]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  578.702099]  ? should_fail+0x22d/0xd01
[  578.706003]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  578.711118]  ? zap_class+0x640/0x640
[  578.714869]  ? __lock_is_held+0xb5/0x140
[  578.718948]  ? mark_held_locks+0x130/0x130
[  578.723212]  ? lock_release+0xa00/0xa00
[  578.727199]  ? perf_trace_sched_process_exec+0x860/0x860
[  578.732661]  ? xa_load+0x2ba/0x460
[  578.736211]  ? lock_downgrade+0x900/0x900
[  578.740379]  ? __might_sleep+0x95/0x190
[  578.744372]  __alloc_pages_nodemask+0xad8/0xea0
[  578.749059]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  578.754090]  ? __page_cache_alloc+0x191/0x5c0
[  578.758592]  ? xa_load+0x2e1/0x460
[  578.762149]  ? xa_clear_mark+0x40/0x40
[  578.766053]  ? zap_class+0x640/0x640
[  578.769786]  ? zap_class+0x640/0x640
[  578.773510]  ? zap_class+0x640/0x640
[  578.777254]  ? __do_page_cache_readahead+0x663/0x810
[  578.782374]  ? find_held_lock+0x36/0x1c0
[  578.786455]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  578.792010]  alloc_pages_current+0x173/0x350
[  578.796439]  __page_cache_alloc+0x38c/0x5c0
[  578.800769]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  578.805754]  ? kasan_check_read+0x11/0x20
[  578.809915]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  578.815210]  ? generic_perform_write+0x6a0/0x6a0
[  578.819981]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  578.825551]  ? check_preemption_disabled+0x48/0x280
[  578.830595]  filemap_fault+0x1595/0x25f0
[  578.834682]  ? __lock_page_or_retry+0xa00/0xa00
[  578.839364]  ? mark_held_locks+0x130/0x130
[  578.843624]  ? filemap_map_pages+0xd6b/0x1a20
[  578.848138]  ? lock_downgrade+0x900/0x900
[  578.852294]  ? check_preemption_disabled+0x48/0x280
[  578.857323]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  578.862264]  ? kasan_check_read+0x11/0x20
[  578.866424]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  578.871713]  ? rcu_softirq_qs+0x20/0x20
[  578.875711]  ? filemap_map_pages+0xd92/0x1a20
[  578.880230]  ? find_get_entries_tag+0x1400/0x1400
[  578.885091]  ? debug_object_destroy+0x2b0/0x2b0
[  578.889777]  ? lock_pi_update_atomic+0x150/0x150
[  578.894563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  578.900125]  ? lock_acquire+0x1ed/0x520
[  578.904109]  ? ext4_filemap_fault+0x7a/0xad
[  578.908450]  ? lock_release+0xa00/0xa00
[  578.912431]  ? perf_trace_sched_process_exec+0x860/0x860
[  578.917891]  ? print_usage_bug+0xc0/0xc0
[  578.921962]  ? print_usage_bug+0xc0/0xc0
[  578.926048]  ? down_read+0x8d/0x120
[  578.929686]  ? ext4_filemap_fault+0x7a/0xad
[  578.934020]  ? __down_interruptible+0x700/0x700
[  578.938711]  ext4_filemap_fault+0x82/0xad
[  578.942871]  __do_fault+0x100/0x6b0
[  578.946537]  ? pmd_devmap_trans_unstable+0x220/0x220
[  578.951658]  ? mark_held_locks+0x130/0x130
[  578.955907]  ? mark_held_locks+0x130/0x130
[  578.960155]  ? debug_smp_processor_id+0x1c/0x20
[  578.964838]  ? perf_trace_lock+0x14d/0x7a0
[  578.969083]  ? lock_downgrade+0x900/0x900
[  578.973245]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  578.978796]  __handle_mm_fault+0x3ea0/0x5be0
[  578.983224]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  578.988076]  ? lock_is_held_type+0x210/0x210
[  578.992500]  ? file_remove_privs+0x540/0x540
[  578.996936]  ? file_remove_privs+0x540/0x540
[  579.001373]  ? zap_class+0x640/0x640
[  579.005096]  ? zap_class+0x640/0x640
[  579.008818]  ? __x64_sys_futex+0x53e/0x6a0
[  579.013569]  ? find_held_lock+0x36/0x1c0
[  579.017657]  ? handle_mm_fault+0x42a/0xc70
[  579.021903]  ? lock_downgrade+0x900/0x900
[  579.026059]  ? check_preemption_disabled+0x48/0x280
[  579.031093]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  579.036031]  ? kasan_check_read+0x11/0x20
[  579.040190]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  579.045474]  ? rcu_softirq_qs+0x20/0x20
[  579.049457]  ? trace_hardirqs_off_caller+0x310/0x310
[  579.054590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  579.060136]  ? check_preemption_disabled+0x48/0x280
[  579.065170]  handle_mm_fault+0x54f/0xc70
[  579.069245]  ? __handle_mm_fault+0x5be0/0x5be0
[  579.073845]  ? find_vma+0x34/0x190
[  579.077402]  __do_page_fault+0x5e8/0xe60
[  579.081475]  ? trace_hardirqs_off+0xb8/0x310
[  579.085911]  do_page_fault+0xf2/0x7e0
[  579.089722]  ? vmalloc_sync_all+0x30/0x30
[  579.093883]  ? error_entry+0x70/0xd0
[  579.097610]  ? trace_hardirqs_off_caller+0xbb/0x310
[  579.102638]  ? trace_hardirqs_on_caller+0xc0/0x310
[  579.107580]  ? syscall_return_slowpath+0x5e0/0x5e0
[  579.112517]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  579.117392]  ? trace_hardirqs_on_caller+0x310/0x310
[  579.122419]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  579.127890]  ? prepare_exit_to_usermode+0x291/0x3b0
[  579.132917]  ? page_fault+0x8/0x30
[  579.136470]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  579.141565]  ? page_fault+0x8/0x30
[  579.145122]  page_fault+0x1e/0x30
[  579.148588] RIP: 0033:0x45ddf3
[  579.151804] Code: Bad RIP value.
[  579.155173] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  579.160564] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  579.167839] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  579.175116] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  579.182395] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  579.189674] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  579.196982] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  579.196988] warn_alloc_show_mem: 1 callbacks suppressed
[  579.196996] Mem-Info:
[  579.204362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  579.209738] active_anon:147110 inactive_anon:190 isolated_anon:0
[  579.209738]  active_file:13 inactive_file:13 isolated_file:2
[  579.209738]  unevictable:1 dirty:0 writeback:0 unstable:0
[  579.209738]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  579.209738]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  579.209738]  free:13705 free_pcp:247 free_cma:0
[  579.212120] Call Trace:
[  579.221516] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  579.254567]  <IRQ>
[  579.257149] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  579.284656]  dump_stack+0x244/0x39d
[  579.286790] lowmem_reserve[]: 0 2818 6321 6321
[  579.312904]  ? dump_stack_print_info.cold.1+0x20/0x20
[  579.316544] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  579.321138]  warn_alloc.cold.116+0xb7/0x1bd
[  579.326303] lowmem_reserve[]: 0 0 3503 3503
[  579.353976]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  579.358282] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  579.362611]  ? lock_downgrade+0x900/0x900
[  579.367436] lowmem_reserve[]: 0 0 0 0
[  579.396328]  ? trace_hardirqs_off+0xb8/0x310
[  579.400457] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  579.404267]  ? trace_hardirqs_off+0xb8/0x310
[  579.408657] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  579.422186]  __alloc_pages_slowpath+0x2651/0x2de0
[  579.426574] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  579.441689]  ? warn_alloc+0x120/0x120
[  579.446496] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  579.461060]  ? print_usage_bug+0xc0/0xc0
[  579.464851] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  579.473680]  ? warn_alloc+0x120/0x120
[  579.477730] 274 total pagecache pages
[  579.486305]  ? warn_alloc+0x120/0x120
[  579.490100] 0 pages in swap cache
[  579.493892]  ? print_usage_bug+0xc0/0xc0
[  579.497680] Swap cache stats: add 0, delete 0, find 0/0
[  579.501133]  ? kvm_clock_read+0x18/0x30
[  579.505177] Free swap  = 0kB
[  579.510552]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  579.510568]  ? print_usage_bug+0xc0/0xc0
[  579.514550] Total swap = 0kB
[  579.517577]  ? __lock_acquire+0x62f/0x4c20
[  579.522581] 1965979 pages RAM
[  579.526647]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  579.529648] 0 pages HighMem/MovableOnly
[  579.533886]  ? should_fail+0x22d/0xd01
[  579.536979] 342854 pages reserved
[  579.542535]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  579.546497] 0 pages cma reserved
[  579.550405]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  579.553902] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  579.559116]  ? __lock_acquire+0x62f/0x4c20
[  579.559136]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  579.559152]  ? __lock_acquire+0x62f/0x4c20
[  579.562590] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  579.567633]  ? should_fail+0x22d/0xd01
[  579.574110] syz-fuzzer cpuset=/ mems_allowed=0
[  579.578344]  ? rcu_irq_exit+0x1a2/0x390
[  579.610314]  ? mark_held_locks+0x130/0x130
[  579.614579]  ? mark_held_locks+0x130/0x130
[  579.618821]  ? perf_trace_lock+0x14d/0x7a0
[  579.623073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.628625]  ? check_preemption_disabled+0x48/0x280
[  579.633649]  ? zap_class+0x640/0x640
[  579.637378]  ? debug_smp_processor_id+0x1c/0x20
[  579.642059]  ? perf_trace_lock+0x14d/0x7a0
[  579.646303]  ? check_preemption_disabled+0x48/0x280
[  579.651337]  ? lock_is_held_type+0x210/0x210
[  579.655756]  ? __lock_is_held+0xb5/0x140
[  579.659836]  __alloc_pages_nodemask+0xad8/0xea0
[  579.664539]  ? zap_class+0x640/0x640
[  579.668272]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  579.673318]  ? find_held_lock+0x36/0x1c0
[  579.677405]  ? ____cache_alloc_node+0x1c7/0x1e0
[  579.682088]  ? lock_downgrade+0x900/0x900
[  579.686257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.691808]  cache_grow_begin+0xa5/0x8c0
[  579.695878]  ? do_raw_spin_unlock+0xa7/0x330
[  579.700310]  fallback_alloc+0x204/0x2e0
[  579.704303]  ____cache_alloc_node+0x1c7/0x1e0
[  579.708820]  kmem_cache_alloc_node+0xe3/0x730
[  579.713336]  ? ipv6_get_ifaddr+0x42e/0x620
[  579.717611]  __alloc_skb+0x119/0x770
[  579.721333]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  579.726633]  ? netdev_alloc_frag+0x1f0/0x1f0
[  579.731058]  ? lock_downgrade+0x900/0x900
[  579.735228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.740774]  ? refcount_sub_and_test_checked+0x203/0x310
[  579.746239]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  579.751704]  ? addrconf_rs_timer+0x690/0x690
[  579.756137]  ndisc_alloc_skb+0x144/0x340
[  579.760216]  ndisc_send_rs+0x331/0x6e0
[  579.764118]  addrconf_rs_timer+0x314/0x690
[  579.768369]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  579.772626]  call_timer_fn+0x272/0x920
[  579.776546]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  579.780792]  ? process_timeout+0x40/0x40
[  579.784874]  ? __run_timers+0x7da/0xc70
[  579.788862]  ? _raw_spin_unlock_irq+0x27/0x80
[  579.793366]  ? _raw_spin_unlock_irq+0x27/0x80
[  579.797870]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  579.802116]  ? lockdep_hardirqs_on+0x296/0x5b0
[  579.806710]  ? trace_hardirqs_on+0xbd/0x310
[  579.811050]  ? kasan_check_read+0x11/0x20
[  579.815211]  ? __run_timers+0x7da/0xc70
[  579.819196]  ? trace_hardirqs_off_caller+0x310/0x310
[  579.824313]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  579.828580]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  579.832821]  __run_timers+0x7e5/0xc70
[  579.836645]  ? timer_fixup_init+0x70/0x70
[  579.840804]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  579.845830]  ? zap_class+0x640/0x640
[  579.849571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.855120]  ? check_preemption_disabled+0x48/0x280
[  579.860155]  ? debug_smp_processor_id+0x1c/0x20
[  579.864838]  ? perf_trace_lock+0x14d/0x7a0
[  579.869091]  ? find_held_lock+0x36/0x1c0
[  579.873170]  ? zap_class+0x640/0x640
[  579.876902]  ? pvclock_read_flags+0x160/0x160
[  579.881414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.886966]  ? check_preemption_disabled+0x48/0x280
[  579.892004]  ? __lock_is_held+0xb5/0x140
[  579.896086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.901635]  ? check_preemption_disabled+0x48/0x280
[  579.906667]  run_timer_softirq+0x52/0xb0
[  579.910737]  ? rcu_read_lock_sched_held+0x14f/0x180
[  579.915763]  __do_softirq+0x308/0xb7e
[  579.919586]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  579.924094]  ? lock_downgrade+0x900/0x900
[  579.928257]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  579.933380]  ? pvclock_read_flags+0x160/0x160
[  579.937893]  ? lapic_next_event+0x5a/0x90
[  579.942060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.947613]  ? kvm_clock_read+0x18/0x30
[  579.951596]  ? kvm_sched_clock_read+0x9/0x20
[  579.956015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  579.961578]  ? check_preemption_disabled+0x48/0x280
[  579.966615]  irq_exit+0x17f/0x1c0
[  579.970081]  smp_apic_timer_interrupt+0x1cb/0x760
[  579.974933]  ? smp_reschedule_interrupt+0x109/0x650
[  579.979960]  ? smp_call_function_single_interrupt+0x650/0x650
[  579.985857]  ? interrupt_entry+0xb5/0xc0
[  579.989929]  ? trace_hardirqs_off_caller+0xbb/0x310
[  579.994957]  ? trace_hardirqs_off_caller+0xbb/0x310
[  579.999987]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  580.004844]  ? trace_hardirqs_on_caller+0x310/0x310
[  580.009869]  ? trace_hardirqs_on_caller+0x310/0x310
[  580.014894]  ? task_prio+0x50/0x50
[  580.018443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  580.023994]  ? check_preemption_disabled+0x48/0x280
[  580.029026]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  580.033893]  apic_timer_interrupt+0xf/0x20
[  580.038130]  </IRQ>
[  580.040383] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  580.045325] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  580.064231] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  580.071955] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  580.079231] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  580.086516] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  580.093810] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  580.101089] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  580.108409]  skb_clone+0x1bb/0x500
[  580.111961]  ? skb_split+0x11e0/0x11e0
[  580.115863]  ? debug_smp_processor_id+0x1c/0x20
[  580.120562]  ? perf_trace_lock+0x14d/0x7a0
[  580.124810]  ? __switch_to_asm+0x34/0x70
[  580.128877]  ? __switch_to_asm+0x40/0x70
[  580.132948]  ? __switch_to_asm+0x40/0x70
[  580.137019]  ? __switch_to_asm+0x34/0x70
[  580.141109]  bpf_clone_redirect+0xb9/0x490
[  580.145368]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  580.150314]  ? __sched_text_start+0x8/0x8
[  580.154484]  ? find_held_lock+0x36/0x1c0
[  580.158584]  ? lock_acquire+0x1ed/0x520
[  580.162576]  ? bpf_test_run+0x3cb/0x780
[  580.166571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  580.172121]  ? check_preemption_disabled+0x48/0x280
[  580.177154]  ? kasan_check_read+0x11/0x20
[  580.181313]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  580.186602]  ? rcu_softirq_qs+0x20/0x20
[  580.190597]  ? preempt_schedule+0x4d/0x60
[  580.194756]  ? ___preempt_schedule+0x16/0x18
[  580.199186]  ? bpf_test_run+0x25d/0x780
[  580.203184]  ? netlink_diag_dump+0x2a0/0x2a0
[  580.207607]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  580.213162]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  580.217938]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  580.222788]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  580.228340]  ? fput+0x130/0x1a0
[  580.231638]  ? __bpf_prog_get+0x9b/0x290
[  580.235716]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  580.240589]  ? bpf_prog_test_run+0x130/0x1a0
[  580.245012]  ? __x64_sys_bpf+0x3d8/0x520
[  580.249093]  ? bpf_prog_get+0x20/0x20
[  580.252932]  ? do_syscall_64+0x1b9/0x820
[  580.257003]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  580.262382]  ? syscall_return_slowpath+0x5e0/0x5e0
[  580.267323]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  580.272184]  ? trace_hardirqs_on_caller+0x310/0x310
[  580.277211]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  580.282240]  ? prepare_exit_to_usermode+0x291/0x3b0
[  580.287273]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  580.292135]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  580.297549] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  580.297621] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  580.304572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  580.304581] Call Trace:
[  580.311162] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  580.320419]  <IRQ>
[  580.322997] syz-executor4 cpuset=syz4 mems_allowed=0
[  580.333484]  dump_stack+0x244/0x39d
[  580.344350]  ? dump_stack_print_info.cold.1+0x20/0x20
[  580.349588]  warn_alloc.cold.116+0xb7/0x1bd
[  580.353920]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  580.358782]  ? lock_downgrade+0x900/0x900
[  580.362949]  ? trace_hardirqs_off+0xb8/0x310
[  580.367373]  ? trace_hardirqs_off+0xb8/0x310
[  580.371801]  __alloc_pages_slowpath+0x2651/0x2de0
[  580.376692]  ? warn_alloc+0x120/0x120
[  580.380507]  ? print_usage_bug+0xc0/0xc0
[  580.384600]  ? warn_alloc+0x120/0x120
[  580.388417]  ? debug_smp_processor_id+0x1c/0x20
[  580.393100]  ? warn_alloc+0x120/0x120
[  580.396911]  ? print_usage_bug+0xc0/0xc0
[  580.400988]  ? print_usage_bug+0xc0/0xc0
[  580.405063]  ? __lock_acquire+0x62f/0x4c20
[  580.409314]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  580.414863]  ? should_fail+0x22d/0xd01
[  580.418769]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  580.423881]  ? __lock_acquire+0x62f/0x4c20
[  580.428134]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  580.433246]  ? __lock_acquire+0x62f/0x4c20
[  580.437489]  ? should_fail+0x22d/0xd01
[  580.441404]  ? find_held_lock+0x36/0x1c0
[  580.445484]  ? mark_held_locks+0x130/0x130
[  580.449739]  ? mark_held_locks+0x130/0x130
[  580.453987]  ? perf_trace_lock+0x14d/0x7a0
[  580.458229]  ? zap_class+0x640/0x640
[  580.461960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  580.467505]  ? check_preemption_disabled+0x48/0x280
[  580.472572]  ? zap_class+0x640/0x640
[  580.476306]  ? debug_smp_processor_id+0x1c/0x20
[  580.480988]  ? perf_trace_lock+0x14d/0x7a0
[  580.485235]  ? check_preemption_disabled+0x48/0x280
[  580.490270]  ? lock_is_held_type+0x210/0x210
[  580.494693]  ? __lock_is_held+0xb5/0x140
[  580.498770]  __alloc_pages_nodemask+0xad8/0xea0
[  580.503453]  ? zap_class+0x640/0x640
[  580.507181]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  580.512225]  ? find_held_lock+0x36/0x1c0
[  580.516312]  ? ____cache_alloc_node+0x1c7/0x1e0
[  580.520996]  ? lock_downgrade+0x900/0x900
[  580.525161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  580.530713]  cache_grow_begin+0xa5/0x8c0
[  580.534790]  ? do_raw_spin_unlock+0xa7/0x330
[  580.539216]  fallback_alloc+0x204/0x2e0
[  580.543209]  ____cache_alloc_node+0x1c7/0x1e0
[  580.547722]  kmem_cache_alloc_node+0xe3/0x730
[  580.552230]  ? ipv6_get_ifaddr+0x42e/0x620
[  580.556490]  __alloc_skb+0x119/0x770
[  580.560231]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  580.565545]  ? netdev_alloc_frag+0x1f0/0x1f0
[  580.569965]  ? lock_downgrade+0x900/0x900
[  580.574132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  580.579686]  ? refcount_sub_and_test_checked+0x203/0x310
[  580.585149]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  580.590610]  ? addrconf_rs_timer+0x690/0x690
[  580.595041]  ndisc_alloc_skb+0x144/0x340
[  580.599120]  ndisc_send_rs+0x331/0x6e0
[  580.603025]  addrconf_rs_timer+0x314/0x690
[  580.607275]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  580.611550]  call_timer_fn+0x272/0x920
[  580.615452]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  580.619698]  ? process_timeout+0x40/0x40
[  580.623783]  ? mark_held_locks+0xc7/0x130
[  580.627945]  ? _raw_spin_unlock_irq+0x27/0x80
[  580.632449]  ? _raw_spin_unlock_irq+0x27/0x80
[  580.636954]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  580.641198]  ? lockdep_hardirqs_on+0x296/0x5b0
[  580.645803]  ? trace_hardirqs_on+0xbd/0x310
[  580.650139]  ? kasan_check_read+0x11/0x20
[  580.654295]  ? __run_timers+0x7da/0xc70
[  580.658281]  ? trace_hardirqs_off_caller+0x310/0x310
[  580.663401]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  580.667655]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  580.671901]  __run_timers+0x7e5/0xc70
[  580.675727]  ? timer_fixup_init+0x70/0x70
[  580.679890]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  580.684917]  ? zap_class+0x640/0x640
[  580.688642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  580.694189]  ? print_usage_bug+0xc0/0xc0
[  580.698271]  ? debug_smp_processor_id+0x1c/0x20
[  580.702951]  ? perf_trace_lock+0x14d/0x7a0
[  580.707204]  ? find_held_lock+0x36/0x1c0
[  580.711284]  ? zap_class+0x640/0x640
[  580.715014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  580.720574]  ? check_preemption_disabled+0x48/0x280
[  580.725617]  ? __lock_is_held+0xb5/0x140
[  580.729689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  580.735236]  ? check_preemption_disabled+0x48/0x280
[  580.740272]  run_timer_softirq+0x52/0xb0
[  580.744342]  ? rcu_read_lock_sched_held+0x14f/0x180
[  580.749373]  __do_softirq+0x308/0xb7e
[  580.753189]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  580.757696]  ? lock_downgrade+0x900/0x900
[  580.761862]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  580.766987]  ? pvclock_read_flags+0x160/0x160
[  580.771494]  ? lapic_next_event+0x5a/0x90
[  580.775675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  580.781232]  ? kvm_clock_read+0x18/0x30
[  580.785215]  ? kvm_sched_clock_read+0x9/0x20
[  580.789641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  580.795187]  ? check_preemption_disabled+0x48/0x280
[  580.800223]  irq_exit+0x17f/0x1c0
[  580.803686]  smp_apic_timer_interrupt+0x1cb/0x760
[  580.808557]  ? smp_reschedule_interrupt+0x109/0x650
[  580.813600]  ? smp_call_function_single_interrupt+0x650/0x650
[  580.819498]  ? interrupt_entry+0xb5/0xc0
[  580.823594]  ? trace_hardirqs_off_caller+0xbb/0x310
[  580.828625]  ? trace_hardirqs_off_caller+0xbb/0x310
[  580.833652]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  580.838509]  ? trace_hardirqs_on_caller+0x310/0x310
[  580.843573]  ? trace_hardirqs_on_caller+0x310/0x310
[  580.848598]  ? task_prio+0x50/0x50
[  580.852149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  580.857700]  ? check_preemption_disabled+0x48/0x280
[  580.862734]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  580.867601]  apic_timer_interrupt+0xf/0x20
[  580.871838]  </IRQ>
[  580.874084] RIP: 0010:console_unlock+0x102f/0x1190
[  580.879027] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  580.897937] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  580.905653] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  580.912931] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  580.920211] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  580.927487] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  580.934782] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  580.942065]  ? netconsole_netdev_event+0x280/0x280
[  580.947014]  ? console_unlock+0x1026/0x1190
[  580.951369]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  580.956134]  ? vprintk_emit+0x846/0x990
[  580.960127]  ? lock_release+0xa00/0xa00
[  580.964115]  ? trace_hardirqs_on+0x30/0x310
[  580.968447]  ? vprintk_default+0x28/0x30
[  580.972538]  ? trace_hardirqs_off_caller+0x310/0x310
[  580.977660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  580.983212]  vprintk_emit+0x391/0x990
[  580.987032]  ? wake_up_klogd+0x180/0x180
[  580.991111]  ? find_held_lock+0x31/0x1c0
[  580.995198]  ? mark_held_locks+0xc7/0x130
[  580.999357]  ? _raw_spin_unlock_irq+0x27/0x80
[  581.003861]  ? _raw_spin_unlock_irq+0x27/0x80
[  581.008374]  vprintk_default+0x28/0x30
[  581.012760]  vprintk_func+0x7e/0x181
[  581.016487]  printk+0xa7/0xcf
[  581.019623]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  581.024390]  ? _raw_spin_unlock_irq+0x60/0x80
[  581.028908]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  581.034206]  dump_header+0x7cc/0xf72
[  581.037933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  581.043481]  ? check_preemption_disabled+0x48/0x280
[  581.048512]  ? pagefault_out_of_memory+0x197/0x197
[  581.053472]  ? debug_smp_processor_id+0x1c/0x20
[  581.058151]  ? perf_trace_lock+0x14d/0x7a0
[  581.062402]  ? mark_held_locks+0x130/0x130
[  581.066655]  ? lock_is_held_type+0x210/0x210
[  581.071083]  ? debug_smp_processor_id+0x1c/0x20
[  581.075768]  ? zap_class+0x640/0x640
[  581.079501]  ? lock_is_held_type+0x210/0x210
[  581.083941]  ? perf_trace_lock+0x14d/0x7a0
[  581.088198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  581.093749]  ? find_held_lock+0x36/0x1c0
[  581.097831]  ? mark_held_locks+0xc7/0x130
[  581.101990]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  581.107100]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  581.112301]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  581.116895]  ? trace_hardirqs_on+0xbd/0x310
[  581.121228]  ? kasan_check_read+0x11/0x20
[  581.125390]  ? ___ratelimit+0x3b4/0x672
[  581.129374]  ? trace_hardirqs_off_caller+0x310/0x310
[  581.134493]  ? trace_hardirqs_on+0x310/0x310
[  581.138938]  ? lock_downgrade+0x900/0x900
[  581.143276]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  581.148392]  ? ___ratelimit+0x3b9/0x672
[  581.152383]  ? idr_get_free+0xf70/0xf70
[  581.156369]  ? lock_is_held_type+0x210/0x210
[  581.160797]  oom_kill_process.cold.27+0x10/0x903
[  581.165575]  ? zap_class+0x640/0x640
[  581.169300]  ? _raw_spin_unlock+0x2c/0x50
[  581.173461]  ? oom_badness+0xe6/0xaa0
[  581.177278]  ? oom_evaluate_task+0x540/0x540
[  581.181704]  ? find_held_lock+0x36/0x1c0
[  581.185789]  ? out_of_memory+0x974/0x1430
[  581.189949]  ? lock_downgrade+0x900/0x900
[  581.194103]  ? check_preemption_disabled+0x48/0x280
[  581.199134]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  581.204075]  ? kasan_check_read+0x11/0x20
[  581.208231]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  581.213515]  ? rcu_softirq_qs+0x20/0x20
[  581.217545]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  581.222582]  ? oom_evaluate_task+0x302/0x540
[  581.227009]  out_of_memory+0xa84/0x1430
[  581.231002]  ? oom_killer_disable+0x3a0/0x3a0
[  581.235510]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  581.240473]  ? __ww_mutex_check_waiters+0x160/0x160
[  581.245510]  __alloc_pages_slowpath+0x232c/0x2de0
[  581.250420]  ? warn_alloc+0x120/0x120
[  581.254228]  ? mark_held_locks+0x130/0x130
[  581.258480]  ? find_get_entry+0xaae/0x1120
[  581.262734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  581.268283]  ? check_preemption_disabled+0x48/0x280
[  581.273309]  ? filemap_map_pages+0x1a20/0x1a20
[  581.277908]  ? debug_smp_processor_id+0x1c/0x20
[  581.282596]  ? perf_trace_lock+0x14d/0x7a0
[  581.286853]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  581.292401]  ? should_fail+0x22d/0xd01
[  581.296303]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  581.301417]  ? zap_class+0x640/0x640
[  581.305170]  ? __lock_is_held+0xb5/0x140
[  581.309250]  ? mark_held_locks+0x130/0x130
[  581.313498]  ? lock_release+0xa00/0xa00
[  581.317507]  ? perf_trace_sched_process_exec+0x860/0x860
[  581.322997]  ? xa_load+0x2ba/0x460
[  581.326571]  ? lock_downgrade+0x900/0x900
[  581.330738]  ? __might_sleep+0x95/0x190
[  581.334733]  __alloc_pages_nodemask+0xad8/0xea0
[  581.339422]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  581.344451]  ? __page_cache_alloc+0x191/0x5c0
[  581.348953]  ? xa_load+0x2e1/0x460
[  581.352506]  ? xa_clear_mark+0x40/0x40
[  581.356429]  ? zap_class+0x640/0x640
[  581.360166]  ? zap_class+0x640/0x640
[  581.363890]  ? zap_class+0x640/0x640
[  581.367616]  ? __do_page_cache_readahead+0x663/0x810
[  581.372733]  ? find_held_lock+0x36/0x1c0
[  581.376811]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  581.382369]  alloc_pages_current+0x173/0x350
[  581.386795]  __page_cache_alloc+0x38c/0x5c0
[  581.391122]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  581.396062]  ? kasan_check_read+0x11/0x20
[  581.400220]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  581.405508]  ? generic_perform_write+0x6a0/0x6a0
[  581.410293]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  581.415845]  ? check_preemption_disabled+0x48/0x280
[  581.420927]  filemap_fault+0x1595/0x25f0
[  581.425011]  ? __lock_page_or_retry+0xa00/0xa00
[  581.429695]  ? mark_held_locks+0x130/0x130
[  581.433953]  ? filemap_map_pages+0xd6b/0x1a20
[  581.438459]  ? lock_downgrade+0x900/0x900
[  581.442620]  ? check_preemption_disabled+0x48/0x280
[  581.447651]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  581.452594]  ? kasan_check_read+0x11/0x20
[  581.456751]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  581.462041]  ? rcu_softirq_qs+0x20/0x20
[  581.466045]  ? filemap_map_pages+0xd92/0x1a20
[  581.470585]  ? find_get_entries_tag+0x1400/0x1400
[  581.475443]  ? debug_object_destroy+0x2b0/0x2b0
[  581.480123]  ? lock_pi_update_atomic+0x150/0x150
[  581.484890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  581.490455]  ? lock_acquire+0x1ed/0x520
[  581.494437]  ? ext4_filemap_fault+0x7a/0xad
[  581.498773]  ? lock_release+0xa00/0xa00
[  581.502754]  ? perf_trace_sched_process_exec+0x860/0x860
[  581.508219]  ? print_usage_bug+0xc0/0xc0
[  581.512294]  ? print_usage_bug+0xc0/0xc0
[  581.516378]  ? down_read+0x8d/0x120
[  581.520012]  ? ext4_filemap_fault+0x7a/0xad
[  581.524346]  ? __down_interruptible+0x700/0x700
[  581.529039]  ext4_filemap_fault+0x82/0xad
[  581.533203]  __do_fault+0x100/0x6b0
[  581.536844]  ? pmd_devmap_trans_unstable+0x220/0x220
[  581.541962]  ? mark_held_locks+0x130/0x130
[  581.546208]  ? mark_held_locks+0x130/0x130
[  581.550453]  ? debug_smp_processor_id+0x1c/0x20
[  581.555131]  ? perf_trace_lock+0x14d/0x7a0
[  581.559374]  ? lock_downgrade+0x900/0x900
[  581.563555]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  581.569115]  __handle_mm_fault+0x3ea0/0x5be0
[  581.573569]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  581.578424]  ? lock_is_held_type+0x210/0x210
[  581.582844]  ? file_remove_privs+0x540/0x540
[  581.587261]  ? file_remove_privs+0x540/0x540
[  581.591698]  ? zap_class+0x640/0x640
[  581.595423]  ? zap_class+0x640/0x640
[  581.599144]  ? __x64_sys_futex+0x53e/0x6a0
[  581.603394]  ? find_held_lock+0x36/0x1c0
[  581.607477]  ? handle_mm_fault+0x42a/0xc70
[  581.611726]  ? lock_downgrade+0x900/0x900
[  581.615883]  ? check_preemption_disabled+0x48/0x280
[  581.620913]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  581.625851]  ? kasan_check_read+0x11/0x20
[  581.630014]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  581.635298]  ? rcu_softirq_qs+0x20/0x20
[  581.639286]  ? trace_hardirqs_off_caller+0x310/0x310
[  581.644400]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  581.649952]  ? check_preemption_disabled+0x48/0x280
[  581.654989]  handle_mm_fault+0x54f/0xc70
[  581.659062]  ? __handle_mm_fault+0x5be0/0x5be0
[  581.663658]  ? find_vma+0x34/0x190
[  581.667214]  __do_page_fault+0x5e8/0xe60
[  581.671285]  ? trace_hardirqs_off+0xb8/0x310
[  581.675720]  do_page_fault+0xf2/0x7e0
[  581.679552]  ? vmalloc_sync_all+0x30/0x30
[  581.683714]  ? error_entry+0x70/0xd0
[  581.687442]  ? trace_hardirqs_off_caller+0xbb/0x310
[  581.692465]  ? trace_hardirqs_on_caller+0xc0/0x310
[  581.697404]  ? syscall_return_slowpath+0x5e0/0x5e0
[  581.702341]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  581.707194]  ? trace_hardirqs_on_caller+0x310/0x310
[  581.712220]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  581.717692]  ? prepare_exit_to_usermode+0x291/0x3b0
[  581.722716]  ? page_fault+0x8/0x30
[  581.726270]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  581.731127]  ? page_fault+0x8/0x30
[  581.734682]  page_fault+0x1e/0x30
[  581.738143] RIP: 0033:0x45ddf3
[  581.741361] Code: Bad RIP value.
[  581.744733] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  581.750105] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  581.757384] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  581.764661] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  581.771935] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  581.779210] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  581.786536] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  581.786543] warn_alloc_show_mem: 1 callbacks suppressed
[  581.786551] Mem-Info:
[  581.793917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  581.799291] active_anon:147110 inactive_anon:190 isolated_anon:0
[  581.799291]  active_file:13 inactive_file:13 isolated_file:2
[  581.799291]  unevictable:1 dirty:0 writeback:0 unstable:0
[  581.799291]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  581.799291]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  581.799291]  free:13705 free_pcp:247 free_cma:0
[  581.801674] Call Trace:
[  581.811074] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  581.844098]  <IRQ>
[  581.846679] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  581.874182]  dump_stack+0x244/0x39d
[  581.876578] lowmem_reserve[]: 0 2818 6321 6321
[  581.902694]  ? dump_stack_print_info.cold.1+0x20/0x20
[  581.906301] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  581.910894]  warn_alloc.cold.116+0xb7/0x1bd
[  581.916055] lowmem_reserve[]: 0 0 3503 3503
[  581.943732]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  581.948044] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  581.952371]  ? lock_downgrade+0x900/0x900
[  581.957198] lowmem_reserve[]: 0 0 0 0
[  581.986091]  ? trace_hardirqs_off+0xb8/0x310
[  581.990222] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  581.994026]  ? trace_hardirqs_off+0xb8/0x310
[  581.998415] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  582.011945]  __alloc_pages_slowpath+0x2651/0x2de0
[  582.016337] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  582.031452]  ? warn_alloc+0x120/0x120
[  582.036264] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  582.050822]  ? print_usage_bug+0xc0/0xc0
[  582.054618] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  582.063446]  ? warn_alloc+0x120/0x120
[  582.067496] 274 total pagecache pages
[  582.076087]  ? warn_alloc+0x120/0x120
[  582.079877] 0 pages in swap cache
[  582.083671]  ? print_usage_bug+0xc0/0xc0
[  582.087458] Swap cache stats: add 0, delete 0, find 0/0
[  582.090908]  ? kvm_clock_read+0x18/0x30
[  582.094952] Free swap  = 0kB
[  582.100317]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  582.104270] Total swap = 0kB
[  582.104279] 1965979 pages RAM
[  582.107304]  ? print_usage_bug+0xc0/0xc0
[  582.112307] 0 pages HighMem/MovableOnly
[  582.115328]  ? __lock_acquire+0x62f/0x4c20
[  582.118422] 342854 pages reserved
[  582.122488]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  582.126449] 0 pages cma reserved
[  582.130688]  ? should_fail+0x22d/0xd01
[  582.134182] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  582.139650]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  582.139670]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  582.139687]  ? __lock_acquire+0x62f/0x4c20
[  582.143177] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  582.146941]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  582.153418] syz-fuzzer cpuset=/ mems_allowed=0
[  582.158784]  ? __lock_acquire+0x62f/0x4c20
[  582.192228]  ? should_fail+0x22d/0xd01
[  582.196123]  ? rcu_irq_exit+0x1a2/0x390
[  582.200123]  ? mark_held_locks+0x130/0x130
[  582.204373]  ? mark_held_locks+0x130/0x130
[  582.208621]  ? perf_trace_lock+0x14d/0x7a0
[  582.212876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  582.218424]  ? check_preemption_disabled+0x48/0x280
[  582.223448]  ? zap_class+0x640/0x640
[  582.227177]  ? debug_smp_processor_id+0x1c/0x20
[  582.231854]  ? perf_trace_lock+0x14d/0x7a0
[  582.236096]  ? check_preemption_disabled+0x48/0x280
[  582.241130]  ? lock_is_held_type+0x210/0x210
[  582.245567]  ? __lock_is_held+0xb5/0x140
[  582.249648]  __alloc_pages_nodemask+0xad8/0xea0
[  582.254328]  ? zap_class+0x640/0x640
[  582.258061]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  582.263099]  ? find_held_lock+0x36/0x1c0
[  582.267187]  ? ____cache_alloc_node+0x1c7/0x1e0
[  582.271866]  ? lock_downgrade+0x900/0x900
[  582.276040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  582.281599]  cache_grow_begin+0xa5/0x8c0
[  582.285670]  ? do_raw_spin_unlock+0xa7/0x330
[  582.290096]  fallback_alloc+0x204/0x2e0
[  582.294104]  ____cache_alloc_node+0x1c7/0x1e0
[  582.298618]  kmem_cache_alloc_node+0xe3/0x730
[  582.303126]  ? ipv6_get_ifaddr+0x42e/0x620
[  582.307387]  __alloc_skb+0x119/0x770
[  582.311113]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  582.316403]  ? netdev_alloc_frag+0x1f0/0x1f0
[  582.320822]  ? lock_downgrade+0x900/0x900
[  582.324987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  582.330550]  ? refcount_sub_and_test_checked+0x203/0x310
[  582.336016]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  582.341479]  ? addrconf_rs_timer+0x690/0x690
[  582.345916]  ndisc_alloc_skb+0x144/0x340
[  582.349997]  ndisc_send_rs+0x331/0x6e0
[  582.353899]  addrconf_rs_timer+0x314/0x690
[  582.358151]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  582.362406]  call_timer_fn+0x272/0x920
[  582.366301]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  582.370564]  ? process_timeout+0x40/0x40
[  582.374649]  ? __run_timers+0x7da/0xc70
[  582.378637]  ? _raw_spin_unlock_irq+0x27/0x80
[  582.383138]  ? _raw_spin_unlock_irq+0x27/0x80
[  582.387644]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  582.391894]  ? lockdep_hardirqs_on+0x296/0x5b0
[  582.396487]  ? trace_hardirqs_on+0xbd/0x310
[  582.400832]  ? kasan_check_read+0x11/0x20
[  582.404986]  ? __run_timers+0x7da/0xc70
[  582.408974]  ? trace_hardirqs_off_caller+0x310/0x310
[  582.414094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  582.418346]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  582.422595]  __run_timers+0x7e5/0xc70
[  582.426417]  ? timer_fixup_init+0x70/0x70
[  582.430578]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  582.435612]  ? zap_class+0x640/0x640
[  582.439342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  582.444892]  ? check_preemption_disabled+0x48/0x280
[  582.449924]  ? debug_smp_processor_id+0x1c/0x20
[  582.454606]  ? perf_trace_lock+0x14d/0x7a0
[  582.458861]  ? find_held_lock+0x36/0x1c0
[  582.462938]  ? zap_class+0x640/0x640
[  582.466668]  ? pvclock_read_flags+0x160/0x160
[  582.471195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  582.476745]  ? check_preemption_disabled+0x48/0x280
[  582.481786]  ? __lock_is_held+0xb5/0x140
[  582.485862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  582.491409]  ? check_preemption_disabled+0x48/0x280
[  582.496443]  run_timer_softirq+0x52/0xb0
[  582.500536]  ? rcu_read_lock_sched_held+0x14f/0x180
[  582.505597]  __do_softirq+0x308/0xb7e
[  582.509412]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  582.513917]  ? lock_downgrade+0x900/0x900
[  582.518094]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  582.523214]  ? pvclock_read_flags+0x160/0x160
[  582.527724]  ? lapic_next_event+0x5a/0x90
[  582.531883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  582.537436]  ? kvm_clock_read+0x18/0x30
[  582.541425]  ? kvm_sched_clock_read+0x9/0x20
[  582.545849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  582.551396]  ? check_preemption_disabled+0x48/0x280
[  582.556436]  irq_exit+0x17f/0x1c0
[  582.559899]  smp_apic_timer_interrupt+0x1cb/0x760
[  582.564749]  ? smp_reschedule_interrupt+0x109/0x650
[  582.569778]  ? smp_call_function_single_interrupt+0x650/0x650
[  582.575678]  ? interrupt_entry+0xb5/0xc0
[  582.579752]  ? trace_hardirqs_off_caller+0xbb/0x310
[  582.584775]  ? trace_hardirqs_off_caller+0xbb/0x310
[  582.589806]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  582.594661]  ? trace_hardirqs_on_caller+0x310/0x310
[  582.599689]  ? trace_hardirqs_on_caller+0x310/0x310
[  582.604722]  ? task_prio+0x50/0x50
[  582.608276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  582.613826]  ? check_preemption_disabled+0x48/0x280
[  582.618860]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  582.623729]  apic_timer_interrupt+0xf/0x20
[  582.627966]  </IRQ>
[  582.630219] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  582.635161] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  582.654070] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  582.661785] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  582.669063] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  582.676340] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  582.683622] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  582.690901] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  582.698219]  skb_clone+0x1bb/0x500
[  582.701774]  ? skb_split+0x11e0/0x11e0
[  582.705675]  ? debug_smp_processor_id+0x1c/0x20
[  582.710353]  ? perf_trace_lock+0x14d/0x7a0
[  582.714598]  ? __switch_to_asm+0x34/0x70
[  582.718667]  ? __switch_to_asm+0x40/0x70
[  582.722740]  ? __switch_to_asm+0x40/0x70
[  582.726807]  ? __switch_to_asm+0x34/0x70
[  582.730887]  bpf_clone_redirect+0xb9/0x490
[  582.735146]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  582.740091]  ? __sched_text_start+0x8/0x8
[  582.744269]  ? find_held_lock+0x36/0x1c0
[  582.748353]  ? lock_acquire+0x1ed/0x520
[  582.752342]  ? bpf_test_run+0x3cb/0x780
[  582.756327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  582.761877]  ? check_preemption_disabled+0x48/0x280
[  582.766908]  ? kasan_check_read+0x11/0x20
[  582.771066]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  582.776353]  ? rcu_softirq_qs+0x20/0x20
[  582.780343]  ? preempt_schedule+0x4d/0x60
[  582.784501]  ? ___preempt_schedule+0x16/0x18
[  582.788946]  ? bpf_test_run+0x25d/0x780
[  582.792944]  ? netlink_diag_dump+0x2a0/0x2a0
[  582.797369]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  582.802930]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  582.807710]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  582.812571]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  582.818118]  ? fput+0x130/0x1a0
[  582.821415]  ? __bpf_prog_get+0x9b/0x290
[  582.825489]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  582.830361]  ? bpf_prog_test_run+0x130/0x1a0
[  582.834780]  ? __x64_sys_bpf+0x3d8/0x520
[  582.838852]  ? bpf_prog_get+0x20/0x20
[  582.842688]  ? do_syscall_64+0x1b9/0x820
[  582.846760]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  582.852137]  ? syscall_return_slowpath+0x5e0/0x5e0
[  582.857078]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  582.861937]  ? trace_hardirqs_on_caller+0x310/0x310
[  582.866967]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  582.871994]  ? prepare_exit_to_usermode+0x291/0x3b0
[  582.877026]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  582.881894]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  582.887290] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  582.887382] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  582.894309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  582.894318] Call Trace:
[  582.900895] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  582.910157]  <IRQ>
[  582.912737] syz-executor4 cpuset=syz4 mems_allowed=0
[  582.923226]  dump_stack+0x244/0x39d
[  582.934089]  ? dump_stack_print_info.cold.1+0x20/0x20
[  582.939309]  warn_alloc.cold.116+0xb7/0x1bd
[  582.943647]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  582.948503]  ? lock_downgrade+0x900/0x900
[  582.952697]  ? trace_hardirqs_off+0xb8/0x310
[  582.957127]  ? trace_hardirqs_off+0xb8/0x310
[  582.961577]  __alloc_pages_slowpath+0x2651/0x2de0
[  582.966467]  ? warn_alloc+0x120/0x120
[  582.970286]  ? warn_alloc+0x120/0x120
[  582.974103]  ? warn_alloc+0x120/0x120
[  582.977915]  ? print_usage_bug+0xc0/0xc0
[  582.981989]  ? warn_alloc+0x120/0x120
[  582.985803]  ? print_usage_bug+0xc0/0xc0
[  582.989884]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  582.995431]  ? should_fail+0x22d/0xd01
[  582.999326]  ? __lock_acquire+0x62f/0x4c20
[  583.003580]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  583.008694]  ? __lock_acquire+0x62f/0x4c20
[  583.013454]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  583.018574]  ? __lock_acquire+0x62f/0x4c20
[  583.022815]  ? should_fail+0x22d/0xd01
[  583.026728]  ? mark_held_locks+0x130/0x130
[  583.030978]  ? mark_held_locks+0x130/0x130
[  583.035225]  ? check_preemption_disabled+0x48/0x280
[  583.040263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  583.045816]  ? check_preemption_disabled+0x48/0x280
[  583.050840]  ? zap_class+0x640/0x640
[  583.054581]  ? debug_smp_processor_id+0x1c/0x20
[  583.059262]  ? perf_trace_lock+0x14d/0x7a0
[  583.063504]  ? check_preemption_disabled+0x48/0x280
[  583.068576]  ? lock_is_held_type+0x210/0x210
[  583.072998]  ? __lock_is_held+0xb5/0x140
[  583.077076]  __alloc_pages_nodemask+0xad8/0xea0
[  583.081756]  ? zap_class+0x640/0x640
[  583.085491]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  583.090575]  ? find_held_lock+0x36/0x1c0
[  583.094661]  ? ____cache_alloc_node+0x1c7/0x1e0
[  583.099344]  ? lock_downgrade+0x900/0x900
[  583.103512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  583.109091]  cache_grow_begin+0xa5/0x8c0
[  583.113166]  ? do_raw_spin_unlock+0xa7/0x330
[  583.117601]  fallback_alloc+0x204/0x2e0
[  583.121600]  ____cache_alloc_node+0x1c7/0x1e0
[  583.126112]  kmem_cache_alloc_node+0xe3/0x730
[  583.130619]  ? ipv6_get_ifaddr+0x42e/0x620
[  583.134878]  __alloc_skb+0x119/0x770
[  583.138602]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  583.144060]  ? netdev_alloc_frag+0x1f0/0x1f0
[  583.148481]  ? lock_downgrade+0x900/0x900
[  583.152653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  583.158200]  ? refcount_sub_and_test_checked+0x203/0x310
[  583.163665]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  583.169126]  ? addrconf_rs_timer+0x690/0x690
[  583.173580]  ndisc_alloc_skb+0x144/0x340
[  583.177659]  ndisc_send_rs+0x331/0x6e0
[  583.181591]  addrconf_rs_timer+0x314/0x690
[  583.185851]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  583.190109]  call_timer_fn+0x272/0x920
[  583.194009]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  583.198251]  ? process_timeout+0x40/0x40
[  583.202336]  ? mark_held_locks+0xc7/0x130
[  583.206494]  ? _raw_spin_unlock_irq+0x27/0x80
[  583.211019]  ? _raw_spin_unlock_irq+0x27/0x80
[  583.215543]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  583.219791]  ? lockdep_hardirqs_on+0x296/0x5b0
[  583.224386]  ? trace_hardirqs_on+0xbd/0x310
[  583.228716]  ? kasan_check_read+0x11/0x20
[  583.232870]  ? __run_timers+0x7da/0xc70
[  583.236857]  ? trace_hardirqs_off_caller+0x310/0x310
[  583.242015]  ? tcp_compressed_ack_kick+0x220/0x220
[  583.246967]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  583.251211]  __run_timers+0x7e5/0xc70
[  583.255035]  ? timer_fixup_init+0x70/0x70
[  583.259196]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  583.264221]  ? zap_class+0x640/0x640
[  583.267952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  583.273500]  ? print_usage_bug+0xc0/0xc0
[  583.277598]  ? debug_smp_processor_id+0x1c/0x20
[  583.282277]  ? perf_trace_lock+0x14d/0x7a0
[  583.286548]  ? find_held_lock+0x36/0x1c0
[  583.290629]  ? zap_class+0x640/0x640
[  583.294365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  583.299916]  ? check_preemption_disabled+0x48/0x280
[  583.304955]  ? __lock_is_held+0xb5/0x140
[  583.309026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  583.314574]  ? check_preemption_disabled+0x48/0x280
[  583.319613]  run_timer_softirq+0x52/0xb0
[  583.323683]  ? rcu_read_lock_sched_held+0x14f/0x180
[  583.328711]  __do_softirq+0x308/0xb7e
[  583.332547]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  583.337054]  ? lock_downgrade+0x900/0x900
[  583.341217]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  583.346341]  ? pvclock_read_flags+0x160/0x160
[  583.350855]  ? lapic_next_event+0x5a/0x90
[  583.355025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  583.360581]  ? kvm_clock_read+0x18/0x30
[  583.364573]  ? kvm_sched_clock_read+0x9/0x20
[  583.368995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  583.374571]  ? check_preemption_disabled+0x48/0x280
[  583.379615]  irq_exit+0x17f/0x1c0
[  583.383083]  smp_apic_timer_interrupt+0x1cb/0x760
[  583.387936]  ? smp_reschedule_interrupt+0x109/0x650
[  583.392962]  ? smp_call_function_single_interrupt+0x650/0x650
[  583.398855]  ? interrupt_entry+0xb5/0xc0
[  583.402932]  ? trace_hardirqs_off_caller+0xbb/0x310
[  583.407958]  ? trace_hardirqs_off_caller+0xbb/0x310
[  583.412985]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  583.417837]  ? trace_hardirqs_on_caller+0x310/0x310
[  583.422860]  ? trace_hardirqs_on_caller+0x310/0x310
[  583.427885]  ? task_prio+0x50/0x50
[  583.431436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  583.436983]  ? check_preemption_disabled+0x48/0x280
[  583.442022]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  583.446887]  apic_timer_interrupt+0xf/0x20
[  583.451124]  </IRQ>
[  583.453370] RIP: 0010:console_unlock+0x102f/0x1190
[  583.458315] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  583.477222] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  583.484942] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  583.492227] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  583.499501] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  583.506799] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  583.514073] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  583.521362]  ? netconsole_netdev_event+0x280/0x280
[  583.526310]  ? console_unlock+0x1026/0x1190
[  583.530664]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  583.535341]  ? vprintk_emit+0x846/0x990
[  583.539328]  ? lock_release+0xa00/0xa00
[  583.543311]  ? trace_hardirqs_on+0x30/0x310
[  583.547640]  ? vprintk_default+0x28/0x30
[  583.551711]  ? trace_hardirqs_off_caller+0x310/0x310
[  583.556825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  583.562379]  vprintk_emit+0x391/0x990
[  583.566200]  ? wake_up_klogd+0x180/0x180
[  583.570277]  ? find_held_lock+0x31/0x1c0
[  583.574360]  ? mark_held_locks+0xc7/0x130
[  583.578518]  ? _raw_spin_unlock_irq+0x27/0x80
[  583.583045]  ? _raw_spin_unlock_irq+0x27/0x80
[  583.587575]  vprintk_default+0x28/0x30
[  583.591476]  vprintk_func+0x7e/0x181
[  583.595204]  printk+0xa7/0xcf
[  583.598321]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  583.603087]  ? _raw_spin_unlock_irq+0x60/0x80
[  583.607607]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  583.612905]  dump_header+0x7cc/0xf72
[  583.616637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  583.622186]  ? check_preemption_disabled+0x48/0x280
[  583.627220]  ? pagefault_out_of_memory+0x197/0x197
[  583.632158]  ? debug_smp_processor_id+0x1c/0x20
[  583.636839]  ? perf_trace_lock+0x14d/0x7a0
[  583.641090]  ? mark_held_locks+0x130/0x130
[  583.645338]  ? lock_is_held_type+0x210/0x210
[  583.649767]  ? debug_smp_processor_id+0x1c/0x20
[  583.654446]  ? zap_class+0x640/0x640
[  583.658175]  ? lock_is_held_type+0x210/0x210
[  583.662591]  ? perf_trace_lock+0x14d/0x7a0
[  583.666844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  583.672394]  ? find_held_lock+0x36/0x1c0
[  583.676475]  ? mark_held_locks+0xc7/0x130
[  583.680637]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  583.685753]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  583.690866]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  583.695460]  ? trace_hardirqs_on+0xbd/0x310
[  583.699795]  ? kasan_check_read+0x11/0x20
[  583.703956]  ? ___ratelimit+0x3b4/0x672
[  583.707940]  ? trace_hardirqs_off_caller+0x310/0x310
[  583.713052]  ? trace_hardirqs_on+0x310/0x310
[  583.717472]  ? lock_downgrade+0x900/0x900
[  583.721640]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  583.726753]  ? ___ratelimit+0x3b9/0x672
[  583.730737]  ? idr_get_free+0xf70/0xf70
[  583.734727]  ? lock_is_held_type+0x210/0x210
[  583.739159]  oom_kill_process.cold.27+0x10/0x903
[  583.743931]  ? zap_class+0x640/0x640
[  583.747657]  ? _raw_spin_unlock+0x2c/0x50
[  583.751815]  ? oom_badness+0xe6/0xaa0
[  583.755637]  ? oom_evaluate_task+0x540/0x540
[  583.760060]  ? find_held_lock+0x36/0x1c0
[  583.764146]  ? out_of_memory+0x974/0x1430
[  583.768311]  ? lock_downgrade+0x900/0x900
[  583.772468]  ? check_preemption_disabled+0x48/0x280
[  583.777499]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  583.782457]  ? kasan_check_read+0x11/0x20
[  583.786614]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  583.791901]  ? rcu_softirq_qs+0x20/0x20
[  583.795890]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  583.800915]  ? oom_evaluate_task+0x302/0x540
[  583.805339]  out_of_memory+0xa84/0x1430
[  583.809333]  ? oom_killer_disable+0x3a0/0x3a0
[  583.813841]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  583.818785]  ? __ww_mutex_check_waiters+0x160/0x160
[  583.823824]  __alloc_pages_slowpath+0x232c/0x2de0
[  583.828715]  ? warn_alloc+0x120/0x120
[  583.832542]  ? mark_held_locks+0x130/0x130
[  583.836797]  ? find_get_entry+0xaae/0x1120
[  583.841051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  583.846605]  ? check_preemption_disabled+0x48/0x280
[  583.851630]  ? filemap_map_pages+0x1a20/0x1a20
[  583.856230]  ? debug_smp_processor_id+0x1c/0x20
[  583.860912]  ? perf_trace_lock+0x14d/0x7a0
[  583.865169]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  583.870736]  ? should_fail+0x22d/0xd01
[  583.874640]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  583.879756]  ? zap_class+0x640/0x640
[  583.883508]  ? __lock_is_held+0xb5/0x140
[  583.887609]  ? mark_held_locks+0x130/0x130
[  583.891856]  ? lock_release+0xa00/0xa00
[  583.895843]  ? perf_trace_sched_process_exec+0x860/0x860
[  583.901303]  ? xa_load+0x2ba/0x460
[  583.904853]  ? lock_downgrade+0x900/0x900
[  583.909019]  ? __might_sleep+0x95/0x190
[  583.913008]  __alloc_pages_nodemask+0xad8/0xea0
[  583.917695]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  583.922726]  ? __page_cache_alloc+0x191/0x5c0
[  583.927230]  ? xa_load+0x2e1/0x460
[  583.930781]  ? xa_clear_mark+0x40/0x40
[  583.934678]  ? zap_class+0x640/0x640
[  583.938412]  ? zap_class+0x640/0x640
[  583.942133]  ? zap_class+0x640/0x640
[  583.945856]  ? __do_page_cache_readahead+0x663/0x810
[  583.950974]  ? find_held_lock+0x36/0x1c0
[  583.955055]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  583.960611]  alloc_pages_current+0x173/0x350
[  583.965040]  __page_cache_alloc+0x38c/0x5c0
[  583.969371]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  583.974312]  ? kasan_check_read+0x11/0x20
[  583.978470]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  583.983758]  ? generic_perform_write+0x6a0/0x6a0
[  583.988549]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  583.994105]  ? check_preemption_disabled+0x48/0x280
[  583.999142]  filemap_fault+0x1595/0x25f0
[  584.003232]  ? __lock_page_or_retry+0xa00/0xa00
[  584.007915]  ? mark_held_locks+0x130/0x130
[  584.012176]  ? filemap_map_pages+0xd6b/0x1a20
[  584.016681]  ? lock_downgrade+0x900/0x900
[  584.020844]  ? check_preemption_disabled+0x48/0x280
[  584.025873]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  584.030810]  ? kasan_check_read+0x11/0x20
[  584.034967]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  584.040252]  ? rcu_softirq_qs+0x20/0x20
[  584.044255]  ? filemap_map_pages+0xd92/0x1a20
[  584.048778]  ? find_get_entries_tag+0x1400/0x1400
[  584.053643]  ? debug_object_destroy+0x2b0/0x2b0
[  584.058325]  ? lock_pi_update_atomic+0x150/0x150
[  584.063092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  584.068660]  ? lock_acquire+0x1ed/0x520
[  584.072648]  ? ext4_filemap_fault+0x7a/0xad
[  584.076987]  ? lock_release+0xa00/0xa00
[  584.080973]  ? perf_trace_sched_process_exec+0x860/0x860
[  584.086435]  ? print_usage_bug+0xc0/0xc0
[  584.090513]  ? print_usage_bug+0xc0/0xc0
[  584.094622]  ? down_read+0x8d/0x120
[  584.098255]  ? ext4_filemap_fault+0x7a/0xad
[  584.102596]  ? __down_interruptible+0x700/0x700
[  584.107287]  ext4_filemap_fault+0x82/0xad
[  584.111453]  __do_fault+0x100/0x6b0
[  584.115094]  ? pmd_devmap_trans_unstable+0x220/0x220
[  584.120210]  ? mark_held_locks+0x130/0x130
[  584.124459]  ? mark_held_locks+0x130/0x130
[  584.128707]  ? debug_smp_processor_id+0x1c/0x20
[  584.133387]  ? perf_trace_lock+0x14d/0x7a0
[  584.137635]  ? lock_downgrade+0x900/0x900
[  584.141799]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  584.147357]  __handle_mm_fault+0x3ea0/0x5be0
[  584.151785]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  584.156641]  ? lock_is_held_type+0x210/0x210
[  584.161061]  ? file_remove_privs+0x540/0x540
[  584.165474]  ? file_remove_privs+0x540/0x540
[  584.169909]  ? zap_class+0x640/0x640
[  584.173631]  ? zap_class+0x640/0x640
[  584.177356]  ? __x64_sys_futex+0x53e/0x6a0
[  584.181609]  ? find_held_lock+0x36/0x1c0
[  584.185692]  ? handle_mm_fault+0x42a/0xc70
[  584.189943]  ? lock_downgrade+0x900/0x900
[  584.194102]  ? check_preemption_disabled+0x48/0x280
[  584.199147]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  584.204087]  ? kasan_check_read+0x11/0x20
[  584.208243]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  584.213550]  ? rcu_softirq_qs+0x20/0x20
[  584.217560]  ? trace_hardirqs_off_caller+0x310/0x310
[  584.222677]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  584.228225]  ? check_preemption_disabled+0x48/0x280
[  584.233262]  handle_mm_fault+0x54f/0xc70
[  584.237338]  ? __handle_mm_fault+0x5be0/0x5be0
[  584.241935]  ? find_vma+0x34/0x190
[  584.245488]  __do_page_fault+0x5e8/0xe60
[  584.249583]  ? trace_hardirqs_off+0xb8/0x310
[  584.254012]  do_page_fault+0xf2/0x7e0
[  584.257820]  ? vmalloc_sync_all+0x30/0x30
[  584.261975]  ? error_entry+0x70/0xd0
[  584.265695]  ? trace_hardirqs_off_caller+0xbb/0x310
[  584.270711]  ? trace_hardirqs_on_caller+0xc0/0x310
[  584.275642]  ? syscall_return_slowpath+0x5e0/0x5e0
[  584.280576]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  584.285425]  ? trace_hardirqs_on_caller+0x310/0x310
[  584.290444]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  584.295933]  ? prepare_exit_to_usermode+0x291/0x3b0
[  584.300951]  ? page_fault+0x8/0x30
[  584.304515]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  584.309377]  ? page_fault+0x8/0x30
[  584.312919]  page_fault+0x1e/0x30
[  584.316370] RIP: 0033:0x45ddf3
[  584.319586] Code: Bad RIP value.
[  584.322950] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  584.328313] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  584.335584] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  584.342856] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  584.350122] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  584.357389] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  584.364687] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  584.364694] warn_alloc_show_mem: 1 callbacks suppressed
[  584.364701] Mem-Info:
[  584.372063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  584.377434] active_anon:147110 inactive_anon:190 isolated_anon:0
[  584.377434]  active_file:13 inactive_file:13 isolated_file:2
[  584.377434]  unevictable:1 dirty:0 writeback:0 unstable:0
[  584.377434]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  584.377434]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  584.377434]  free:13705 free_pcp:247 free_cma:0
[  584.379810] Call Trace:
[  584.389195] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  584.422210]  <IRQ>
[  584.424779] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  584.452278]  dump_stack+0x244/0x39d
[  584.454405] lowmem_reserve[]: 0 2818 6321 6321
[  584.480512]  ? dump_stack_print_info.cold.1+0x20/0x20
[  584.484124] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  584.488711]  warn_alloc.cold.116+0xb7/0x1bd
[  584.493865] lowmem_reserve[]: 0 0 3503 3503
[  584.521541]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  584.525857] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  584.530176]  ? lock_downgrade+0x900/0x900
[  584.534994] lowmem_reserve[]: 0 0 0 0
[  584.563883]  ? trace_hardirqs_off+0xb8/0x310
[  584.568003] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  584.571799]  ? trace_hardirqs_off+0xb8/0x310
[  584.576212] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  584.589736]  __alloc_pages_slowpath+0x2651/0x2de0
[  584.594112] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  584.609217]  ? warn_alloc+0x120/0x120
[  584.614013] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  584.628566]  ? print_usage_bug+0xc0/0xc0
[  584.632345] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  584.641181]  ? warn_alloc+0x120/0x120
[  584.645218] 274 total pagecache pages
[  584.653787]  ? warn_alloc+0x120/0x120
[  584.657569] 0 pages in swap cache
[  584.661356]  ? print_usage_bug+0xc0/0xc0
[  584.665136] Swap cache stats: add 0, delete 0, find 0/0
[  584.668585]  ? kvm_clock_read+0x18/0x30
[  584.672621] Free swap  = 0kB
[  584.677980]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  584.681927] Total swap = 0kB
[  584.684938]  ? print_usage_bug+0xc0/0xc0
[  584.689929] 1965979 pages RAM
[  584.692941]  ? __lock_acquire+0x62f/0x4c20
[  584.696982] 0 pages HighMem/MovableOnly
[  584.700084]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  584.704296] 342854 pages reserved
[  584.708266]  ? should_fail+0x22d/0xd01
[  584.713777] 0 pages cma reserved
[  584.717222]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  584.721142] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  584.724444]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  584.729812] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  584.736196]  ? __lock_acquire+0x62f/0x4c20
[  584.741277] syz-fuzzer cpuset=/ mems_allowed=0
[  584.751512]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  584.765394]  ? __lock_acquire+0x62f/0x4c20
[  584.769629]  ? should_fail+0x22d/0xd01
[  584.773515]  ? rcu_irq_exit+0x1a2/0x390
[  584.777534]  ? mark_held_locks+0x130/0x130
[  584.781780]  ? mark_held_locks+0x130/0x130
[  584.786013]  ? perf_trace_lock+0x14d/0x7a0
[  584.790262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  584.795802]  ? check_preemption_disabled+0x48/0x280
[  584.800819]  ? zap_class+0x640/0x640
[  584.804548]  ? debug_smp_processor_id+0x1c/0x20
[  584.809234]  ? perf_trace_lock+0x14d/0x7a0
[  584.813467]  ? check_preemption_disabled+0x48/0x280
[  584.818491]  ? lock_is_held_type+0x210/0x210
[  584.822915]  ? __lock_is_held+0xb5/0x140
[  584.827000]  __alloc_pages_nodemask+0xad8/0xea0
[  584.831676]  ? zap_class+0x640/0x640
[  584.835398]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  584.840433]  ? find_held_lock+0x36/0x1c0
[  584.844509]  ? ____cache_alloc_node+0x1c7/0x1e0
[  584.849192]  ? lock_downgrade+0x900/0x900
[  584.853353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  584.858900]  cache_grow_begin+0xa5/0x8c0
[  584.862964]  ? do_raw_spin_unlock+0xa7/0x330
[  584.867385]  fallback_alloc+0x204/0x2e0
[  584.871370]  ____cache_alloc_node+0x1c7/0x1e0
[  584.875877]  kmem_cache_alloc_node+0xe3/0x730
[  584.880373]  ? ipv6_get_ifaddr+0x42e/0x620
[  584.884638]  __alloc_skb+0x119/0x770
[  584.888352]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  584.893633]  ? netdev_alloc_frag+0x1f0/0x1f0
[  584.898050]  ? lock_downgrade+0x900/0x900
[  584.902212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  584.907754]  ? refcount_sub_and_test_checked+0x203/0x310
[  584.913214]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  584.918669]  ? addrconf_rs_timer+0x690/0x690
[  584.923093]  ndisc_alloc_skb+0x144/0x340
[  584.927166]  ndisc_send_rs+0x331/0x6e0
[  584.931071]  addrconf_rs_timer+0x314/0x690
[  584.935318]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  584.939578]  call_timer_fn+0x272/0x920
[  584.943467]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  584.947708]  ? process_timeout+0x40/0x40
[  584.951782]  ? __run_timers+0x7da/0xc70
[  584.955764]  ? _raw_spin_unlock_irq+0x27/0x80
[  584.960264]  ? _raw_spin_unlock_irq+0x27/0x80
[  584.964764]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  584.969004]  ? lockdep_hardirqs_on+0x296/0x5b0
[  584.973609]  ? trace_hardirqs_on+0xbd/0x310
[  584.977934]  ? kasan_check_read+0x11/0x20
[  584.982088]  ? __run_timers+0x7da/0xc70
[  584.986074]  ? trace_hardirqs_off_caller+0x310/0x310
[  584.991191]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  584.995431]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  584.999674]  __run_timers+0x7e5/0xc70
[  585.003489]  ? timer_fixup_init+0x70/0x70
[  585.007649]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  585.012799]  ? zap_class+0x640/0x640
[  585.016518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  585.022091]  ? check_preemption_disabled+0x48/0x280
[  585.027116]  ? debug_smp_processor_id+0x1c/0x20
[  585.031791]  ? perf_trace_lock+0x14d/0x7a0
[  585.036038]  ? find_held_lock+0x36/0x1c0
[  585.040111]  ? zap_class+0x640/0x640
[  585.043830]  ? pvclock_read_flags+0x160/0x160
[  585.048331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  585.053872]  ? check_preemption_disabled+0x48/0x280
[  585.058901]  ? __lock_is_held+0xb5/0x140
[  585.062971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  585.068514]  ? check_preemption_disabled+0x48/0x280
[  585.073582]  run_timer_softirq+0x52/0xb0
[  585.077647]  ? rcu_read_lock_sched_held+0x14f/0x180
[  585.082670]  __do_softirq+0x308/0xb7e
[  585.086485]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  585.090986]  ? lock_downgrade+0x900/0x900
[  585.095146]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  585.100262]  ? pvclock_read_flags+0x160/0x160
[  585.104762]  ? lapic_next_event+0x5a/0x90
[  585.108916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  585.114465]  ? kvm_clock_read+0x18/0x30
[  585.118440]  ? kvm_sched_clock_read+0x9/0x20
[  585.122857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  585.128396]  ? check_preemption_disabled+0x48/0x280
[  585.133429]  irq_exit+0x17f/0x1c0
[  585.136892]  smp_apic_timer_interrupt+0x1cb/0x760
[  585.142241]  ? smp_reschedule_interrupt+0x109/0x650
[  585.147276]  ? smp_call_function_single_interrupt+0x650/0x650
[  585.153159]  ? interrupt_entry+0xb5/0xc0
[  585.157225]  ? trace_hardirqs_off_caller+0xbb/0x310
[  585.162242]  ? trace_hardirqs_off_caller+0xbb/0x310
[  585.167261]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  585.172110]  ? trace_hardirqs_on_caller+0x310/0x310
[  585.177125]  ? trace_hardirqs_on_caller+0x310/0x310
[  585.182146]  ? task_prio+0x50/0x50
[  585.185693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  585.191239]  ? check_preemption_disabled+0x48/0x280
[  585.196267]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  585.201119]  apic_timer_interrupt+0xf/0x20
[  585.205346]  </IRQ>
[  585.207586] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  585.212517] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  585.231426] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  585.239135] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  585.246402] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  585.253670] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  585.260936] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  585.268209] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  585.275518]  skb_clone+0x1bb/0x500
[  585.279073]  ? skb_split+0x11e0/0x11e0
[  585.282969]  ? debug_smp_processor_id+0x1c/0x20
[  585.287645]  ? perf_trace_lock+0x14d/0x7a0
[  585.291878]  ? __switch_to_asm+0x34/0x70
[  585.295940]  ? __switch_to_asm+0x40/0x70
[  585.300002]  ? __switch_to_asm+0x40/0x70
[  585.304064]  ? __switch_to_asm+0x34/0x70
[  585.308136]  bpf_clone_redirect+0xb9/0x490
[  585.312381]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  585.317350]  ? __sched_text_start+0x8/0x8
[  585.321541]  ? find_held_lock+0x36/0x1c0
[  585.325619]  ? lock_acquire+0x1ed/0x520
[  585.329599]  ? bpf_test_run+0x3cb/0x780
[  585.333621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  585.339181]  ? check_preemption_disabled+0x48/0x280
[  585.344208]  ? kasan_check_read+0x11/0x20
[  585.348356]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  585.353638]  ? rcu_softirq_qs+0x20/0x20
[  585.357620]  ? preempt_schedule+0x4d/0x60
[  585.361776]  ? ___preempt_schedule+0x16/0x18
[  585.366197]  ? bpf_test_run+0x25d/0x780
[  585.370186]  ? netlink_diag_dump+0x2a0/0x2a0
[  585.374605]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  585.380169]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  585.384939]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  585.389782]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  585.395322]  ? fput+0x130/0x1a0
[  585.398614]  ? __bpf_prog_get+0x9b/0x290
[  585.402683]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  585.407535]  ? bpf_prog_test_run+0x130/0x1a0
[  585.411950]  ? __x64_sys_bpf+0x3d8/0x520
[  585.416047]  ? bpf_prog_get+0x20/0x20
[  585.419874]  ? do_syscall_64+0x1b9/0x820
[  585.423934]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  585.429301]  ? syscall_return_slowpath+0x5e0/0x5e0
[  585.434235]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  585.439083]  ? trace_hardirqs_on_caller+0x310/0x310
[  585.444105]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  585.449123]  ? prepare_exit_to_usermode+0x291/0x3b0
[  585.454150]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  585.459005]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  585.464399] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  585.464471] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  585.471418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  585.471424] Call Trace:
[  585.471431]  <IRQ>
[  585.471450]  dump_stack+0x244/0x39d
[  585.471470]  ? dump_stack_print_info.cold.1+0x20/0x20
[  585.478041] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  585.487305]  warn_alloc.cold.116+0xb7/0x1bd
[  585.489864] syz-executor4 cpuset=syz4 mems_allowed=0
[  585.492012]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  585.525498]  ? lock_downgrade+0x900/0x900
[  585.529673]  ? trace_hardirqs_off+0xb8/0x310
[  585.534091]  ? trace_hardirqs_off+0xb8/0x310
[  585.538514]  __alloc_pages_slowpath+0x2651/0x2de0
[  585.543407]  ? warn_alloc+0x120/0x120
[  585.547215]  ? print_usage_bug+0xc0/0xc0
[  585.551311]  ? warn_alloc+0x120/0x120
[  585.555131]  ? warn_alloc+0x120/0x120
[  585.558950]  ? print_usage_bug+0xc0/0xc0
[  585.563017]  ? kvm_clock_read+0x18/0x30
[  585.566993]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  585.572010]  ? print_usage_bug+0xc0/0xc0
[  585.576073]  ? __lock_acquire+0x62f/0x4c20
[  585.580314]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  585.585863]  ? should_fail+0x22d/0xd01
[  585.589751]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  585.595032]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  585.600135]  ? __lock_acquire+0x62f/0x4c20
[  585.604377]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  585.609479]  ? __lock_acquire+0x62f/0x4c20
[  585.613716]  ? should_fail+0x22d/0xd01
[  585.617618]  ? rcu_irq_exit+0x1a2/0x390
[  585.621607]  ? mark_held_locks+0x130/0x130
[  585.625851]  ? mark_held_locks+0x130/0x130
[  585.630086]  ? perf_trace_lock+0x14d/0x7a0
[  585.634329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  585.639868]  ? check_preemption_disabled+0x48/0x280
[  585.644882]  ? zap_class+0x640/0x640
[  585.648606]  ? debug_smp_processor_id+0x1c/0x20
[  585.653277]  ? perf_trace_lock+0x14d/0x7a0
[  585.657514]  ? check_preemption_disabled+0x48/0x280
[  585.662564]  ? lock_is_held_type+0x210/0x210
[  585.666977]  ? __lock_is_held+0xb5/0x140
[  585.671050]  __alloc_pages_nodemask+0xad8/0xea0
[  585.675724]  ? zap_class+0x640/0x640
[  585.679459]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  585.684491]  ? find_held_lock+0x36/0x1c0
[  585.688578]  ? ____cache_alloc_node+0x1c7/0x1e0
[  585.693252]  ? lock_downgrade+0x900/0x900
[  585.697414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  585.702962]  cache_grow_begin+0xa5/0x8c0
[  585.707028]  ? do_raw_spin_unlock+0xa7/0x330
[  585.711446]  fallback_alloc+0x204/0x2e0
[  585.715431]  ____cache_alloc_node+0x1c7/0x1e0
[  585.719938]  kmem_cache_alloc_node+0xe3/0x730
[  585.724443]  ? ipv6_get_ifaddr+0x42e/0x620
[  585.728692]  __alloc_skb+0x119/0x770
[  585.732436]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  585.737765]  ? netdev_alloc_frag+0x1f0/0x1f0
[  585.742178]  ? lock_downgrade+0x900/0x900
[  585.746337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  585.751875]  ? refcount_sub_and_test_checked+0x203/0x310
[  585.757331]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  585.762787]  ? addrconf_rs_timer+0x690/0x690
[  585.767209]  ndisc_alloc_skb+0x144/0x340
[  585.771278]  ndisc_send_rs+0x331/0x6e0
[  585.775176]  addrconf_rs_timer+0x314/0x690
[  585.779417]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  585.783671]  call_timer_fn+0x272/0x920
[  585.787567]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  585.791807]  ? process_timeout+0x40/0x40
[  585.795879]  ? mark_held_locks+0xc7/0x130
[  585.800034]  ? _raw_spin_unlock_irq+0x27/0x80
[  585.804543]  ? _raw_spin_unlock_irq+0x27/0x80
[  585.809048]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  585.813287]  ? lockdep_hardirqs_on+0x296/0x5b0
[  585.817876]  ? trace_hardirqs_on+0xbd/0x310
[  585.822289]  ? kasan_check_read+0x11/0x20
[  585.826437]  ? __run_timers+0x7da/0xc70
[  585.830415]  ? trace_hardirqs_off_caller+0x310/0x310
[  585.835539]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  585.839788]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  585.844022]  __run_timers+0x7e5/0xc70
[  585.847839]  ? timer_fixup_init+0x70/0x70
[  585.851992]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  585.857055]  ? zap_class+0x640/0x640
[  585.860774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  585.866314]  ? print_usage_bug+0xc0/0xc0
[  585.870384]  ? debug_smp_processor_id+0x1c/0x20
[  585.875058]  ? perf_trace_lock+0x14d/0x7a0
[  585.879303]  ? find_held_lock+0x36/0x1c0
[  585.883371]  ? zap_class+0x640/0x640
[  585.887101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  585.892655]  ? check_preemption_disabled+0x48/0x280
[  585.897685]  ? __lock_is_held+0xb5/0x140
[  585.901749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  585.907290]  ? check_preemption_disabled+0x48/0x280
[  585.912317]  run_timer_softirq+0x52/0xb0
[  585.916379]  ? rcu_read_lock_sched_held+0x14f/0x180
[  585.921400]  __do_softirq+0x308/0xb7e
[  585.925212]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  585.929710]  ? lock_downgrade+0x900/0x900
[  585.933870]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  585.938985]  ? pvclock_read_flags+0x160/0x160
[  585.943489]  ? lapic_next_event+0x5a/0x90
[  585.947642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  585.953191]  ? kvm_clock_read+0x18/0x30
[  585.957169]  ? kvm_sched_clock_read+0x9/0x20
[  585.961586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  585.967130]  ? check_preemption_disabled+0x48/0x280
[  585.972161]  irq_exit+0x17f/0x1c0
[  585.975622]  smp_apic_timer_interrupt+0x1cb/0x760
[  585.980467]  ? smp_reschedule_interrupt+0x109/0x650
[  585.985488]  ? smp_call_function_single_interrupt+0x650/0x650
[  585.991373]  ? interrupt_entry+0xb5/0xc0
[  585.995438]  ? trace_hardirqs_off_caller+0xbb/0x310
[  586.000457]  ? trace_hardirqs_off_caller+0xbb/0x310
[  586.005483]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  586.010330]  ? trace_hardirqs_on_caller+0x310/0x310
[  586.015346]  ? trace_hardirqs_on_caller+0x310/0x310
[  586.020365]  ? task_prio+0x50/0x50
[  586.023908]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  586.029450]  ? check_preemption_disabled+0x48/0x280
[  586.034473]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  586.039332]  apic_timer_interrupt+0xf/0x20
[  586.043564]  </IRQ>
[  586.045806] RIP: 0010:console_unlock+0x102f/0x1190
[  586.050744] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  586.069647] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  586.077357] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  586.084627] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  586.091901] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  586.099168] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  586.106440] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  586.113729]  ? netconsole_netdev_event+0x280/0x280
[  586.118668]  ? console_unlock+0x1026/0x1190
[  586.123017]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  586.127685]  ? vprintk_emit+0x846/0x990
[  586.131671]  ? lock_release+0xa00/0xa00
[  586.135648]  ? trace_hardirqs_on+0x30/0x310
[  586.139970]  ? vprintk_default+0x28/0x30
[  586.144033]  ? trace_hardirqs_off_caller+0x310/0x310
[  586.149143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  586.154689]  vprintk_emit+0x391/0x990
[  586.158497]  ? wake_up_klogd+0x180/0x180
[  586.162584]  ? find_held_lock+0x31/0x1c0
[  586.166663]  ? mark_held_locks+0xc7/0x130
[  586.170820]  ? _raw_spin_unlock_irq+0x27/0x80
[  586.175316]  ? _raw_spin_unlock_irq+0x27/0x80
[  586.179821]  vprintk_default+0x28/0x30
[  586.183886]  vprintk_func+0x7e/0x181
[  586.187604]  printk+0xa7/0xcf
[  586.190716]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  586.195474]  ? _raw_spin_unlock_irq+0x60/0x80
[  586.199983]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  586.205286]  dump_header+0x7cc/0xf72
[  586.209024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  586.214574]  ? check_preemption_disabled+0x48/0x280
[  586.219599]  ? pagefault_out_of_memory+0x197/0x197
[  586.224545]  ? debug_smp_processor_id+0x1c/0x20
[  586.229217]  ? perf_trace_lock+0x14d/0x7a0
[  586.233455]  ? mark_held_locks+0x130/0x130
[  586.237696]  ? lock_is_held_type+0x210/0x210
[  586.242115]  ? debug_smp_processor_id+0x1c/0x20
[  586.246788]  ? zap_class+0x640/0x640
[  586.250512]  ? lock_is_held_type+0x210/0x210
[  586.254938]  ? perf_trace_lock+0x14d/0x7a0
[  586.259185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  586.264736]  ? find_held_lock+0x36/0x1c0
[  586.268810]  ? mark_held_locks+0xc7/0x130
[  586.272966]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  586.278069]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  586.283179]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  586.287766]  ? trace_hardirqs_on+0xbd/0x310
[  586.292089]  ? kasan_check_read+0x11/0x20
[  586.296268]  ? ___ratelimit+0x3b4/0x672
[  586.300250]  ? trace_hardirqs_off_caller+0x310/0x310
[  586.305362]  ? trace_hardirqs_on+0x310/0x310
[  586.309777]  ? lock_downgrade+0x900/0x900
[  586.313939]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  586.319045]  ? ___ratelimit+0x3b9/0x672
[  586.323030]  ? idr_get_free+0xf70/0xf70
[  586.327012]  ? lock_is_held_type+0x210/0x210
[  586.331436]  oom_kill_process.cold.27+0x10/0x903
[  586.336201]  ? zap_class+0x640/0x640
[  586.339924]  ? _raw_spin_unlock+0x2c/0x50
[  586.344076]  ? oom_badness+0xe6/0xaa0
[  586.347892]  ? oom_evaluate_task+0x540/0x540
[  586.352313]  ? find_held_lock+0x36/0x1c0
[  586.356388]  ? out_of_memory+0x974/0x1430
[  586.360553]  ? lock_downgrade+0x900/0x900
[  586.364724]  ? check_preemption_disabled+0x48/0x280
[  586.369753]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  586.374685]  ? kasan_check_read+0x11/0x20
[  586.378833]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  586.384111]  ? rcu_softirq_qs+0x20/0x20
[  586.388099]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  586.393117]  ? oom_evaluate_task+0x302/0x540
[  586.397549]  out_of_memory+0xa84/0x1430
[  586.401552]  ? oom_killer_disable+0x3a0/0x3a0
[  586.406052]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  586.410989]  ? __ww_mutex_check_waiters+0x160/0x160
[  586.416039]  __alloc_pages_slowpath+0x232c/0x2de0
[  586.420922]  ? warn_alloc+0x120/0x120
[  586.424726]  ? mark_held_locks+0x130/0x130
[  586.428971]  ? find_get_entry+0xaae/0x1120
[  586.433216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  586.438759]  ? check_preemption_disabled+0x48/0x280
[  586.443777]  ? filemap_map_pages+0x1a20/0x1a20
[  586.448366]  ? debug_smp_processor_id+0x1c/0x20
[  586.453036]  ? perf_trace_lock+0x14d/0x7a0
[  586.457287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  586.462850]  ? should_fail+0x22d/0xd01
[  586.466744]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  586.471849]  ? zap_class+0x640/0x640
[  586.475607]  ? __lock_is_held+0xb5/0x140
[  586.479680]  ? mark_held_locks+0x130/0x130
[  586.483924]  ? lock_release+0xa00/0xa00
[  586.487903]  ? perf_trace_sched_process_exec+0x860/0x860
[  586.493356]  ? xa_load+0x2ba/0x460
[  586.496899]  ? lock_downgrade+0x900/0x900
[  586.501056]  ? __might_sleep+0x95/0x190
[  586.505043]  __alloc_pages_nodemask+0xad8/0xea0
[  586.509728]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  586.514750]  ? __page_cache_alloc+0x191/0x5c0
[  586.519245]  ? xa_load+0x2e1/0x460
[  586.522790]  ? xa_clear_mark+0x40/0x40
[  586.526700]  ? zap_class+0x640/0x640
[  586.530431]  ? zap_class+0x640/0x640
[  586.534144]  ? zap_class+0x640/0x640
[  586.537861]  ? __do_page_cache_readahead+0x663/0x810
[  586.542982]  ? find_held_lock+0x36/0x1c0
[  586.547050]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  586.552603]  alloc_pages_current+0x173/0x350
[  586.557021]  __page_cache_alloc+0x38c/0x5c0
[  586.561342]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  586.566276]  ? kasan_check_read+0x11/0x20
[  586.570424]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  586.575711]  ? generic_perform_write+0x6a0/0x6a0
[  586.580472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  586.586103]  ? check_preemption_disabled+0x48/0x280
[  586.591141]  filemap_fault+0x1595/0x25f0
[  586.595222]  ? __lock_page_or_retry+0xa00/0xa00
[  586.599895]  ? mark_held_locks+0x130/0x130
[  586.604145]  ? filemap_map_pages+0xd6b/0x1a20
[  586.608650]  ? lock_downgrade+0x900/0x900
[  586.612803]  ? check_preemption_disabled+0x48/0x280
[  586.617824]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  586.622756]  ? kasan_check_read+0x11/0x20
[  586.626907]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  586.632189]  ? rcu_softirq_qs+0x20/0x20
[  586.636185]  ? filemap_map_pages+0xd92/0x1a20
[  586.640697]  ? find_get_entries_tag+0x1400/0x1400
[  586.645558]  ? debug_object_destroy+0x2b0/0x2b0
[  586.650234]  ? lock_pi_update_atomic+0x150/0x150
[  586.655004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  586.660572]  ? lock_acquire+0x1ed/0x520
[  586.664568]  ? ext4_filemap_fault+0x7a/0xad
[  586.668905]  ? lock_release+0xa00/0xa00
[  586.672882]  ? perf_trace_sched_process_exec+0x860/0x860
[  586.678340]  ? print_usage_bug+0xc0/0xc0
[  586.682430]  ? print_usage_bug+0xc0/0xc0
[  586.686512]  ? down_read+0x8d/0x120
[  586.690201]  ? ext4_filemap_fault+0x7a/0xad
[  586.694545]  ? __down_interruptible+0x700/0x700
[  586.699232]  ext4_filemap_fault+0x82/0xad
[  586.703384]  __do_fault+0x100/0x6b0
[  586.707017]  ? pmd_devmap_trans_unstable+0x220/0x220
[  586.712126]  ? mark_held_locks+0x130/0x130
[  586.716363]  ? mark_held_locks+0x130/0x130
[  586.720608]  ? debug_smp_processor_id+0x1c/0x20
[  586.725301]  ? perf_trace_lock+0x14d/0x7a0
[  586.729555]  ? lock_downgrade+0x900/0x900
[  586.733724]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  586.739273]  __handle_mm_fault+0x3ea0/0x5be0
[  586.743854]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  586.748701]  ? lock_is_held_type+0x210/0x210
[  586.753118]  ? file_remove_privs+0x540/0x540
[  586.757534]  ? file_remove_privs+0x540/0x540
[  586.761974]  ? zap_class+0x640/0x640
[  586.765698]  ? zap_class+0x640/0x640
[  586.769414]  ? __x64_sys_futex+0x53e/0x6a0
[  586.773656]  ? find_held_lock+0x36/0x1c0
[  586.777732]  ? handle_mm_fault+0x42a/0xc70
[  586.782791]  ? lock_downgrade+0x900/0x900
[  586.786943]  ? check_preemption_disabled+0x48/0x280
[  586.791965]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  586.796898]  ? kasan_check_read+0x11/0x20
[  586.801049]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  586.806327]  ? rcu_softirq_qs+0x20/0x20
[  586.810302]  ? trace_hardirqs_off_caller+0x310/0x310
[  586.815409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  586.820953]  ? check_preemption_disabled+0x48/0x280
[  586.825984]  handle_mm_fault+0x54f/0xc70
[  586.830052]  ? __handle_mm_fault+0x5be0/0x5be0
[  586.834642]  ? find_vma+0x34/0x190
[  586.838197]  __do_page_fault+0x5e8/0xe60
[  586.842263]  ? trace_hardirqs_off+0xb8/0x310
[  586.846686]  do_page_fault+0xf2/0x7e0
[  586.850489]  ? vmalloc_sync_all+0x30/0x30
[  586.854641]  ? error_entry+0x70/0xd0
[  586.858362]  ? trace_hardirqs_off_caller+0xbb/0x310
[  586.863380]  ? trace_hardirqs_on_caller+0xc0/0x310
[  586.868314]  ? syscall_return_slowpath+0x5e0/0x5e0
[  586.873247]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  586.878097]  ? trace_hardirqs_on_caller+0x310/0x310
[  586.883113]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  586.888581]  ? prepare_exit_to_usermode+0x291/0x3b0
[  586.893608]  ? page_fault+0x8/0x30
[  586.897158]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  586.902010]  ? page_fault+0x8/0x30
[  586.905564]  page_fault+0x1e/0x30
[  586.909017] RIP: 0033:0x45ddf3
[  586.912221] Code: Bad RIP value.
[  586.915583] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  586.920945] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  586.928218] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  586.935485] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  586.942759] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  586.950028] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  586.957326] warn_alloc_show_mem: 1 callbacks suppressed
[  586.957338] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  586.957341] Mem-Info:
[  586.957373] active_anon:147110 inactive_anon:190 isolated_anon:0
[  586.957373]  active_file:13 inactive_file:13 isolated_file:2
[  586.957373]  unevictable:1 dirty:0 writeback:0 unstable:0
[  586.957373]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  586.957373]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  586.957373]  free:13705 free_pcp:247 free_cma:0
[  586.962711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  586.970081] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  586.972484] Call Trace:
[  587.005542] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  587.015072]  <IRQ>
[  587.042565] lowmem_reserve[]: 0 2818 6321 6321
[  587.045155]  dump_stack+0x244/0x39d
[  587.071240] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  587.073398]  ? dump_stack_print_info.cold.1+0x20/0x20
[  587.077954] lowmem_reserve[]: 0 0 3503 3503
[  587.081646]  warn_alloc.cold.116+0xb7/0x1bd
[  587.109287] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  587.114478]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  587.118772] lowmem_reserve[]: 0 0 0 0
[  587.123094]  ? lock_downgrade+0x900/0x900
[  587.151963] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  587.156812]  ? trace_hardirqs_off+0xb8/0x310
[  587.160580] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  587.164730]  ? trace_hardirqs_off+0xb8/0x310
[  587.178229] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  587.182644]  __alloc_pages_slowpath+0x2651/0x2de0
[  587.197706] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  587.202129]  ? warn_alloc+0x120/0x120
[  587.216652] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  587.221487]  ? print_usage_bug+0xc0/0xc0
[  587.230297] 274 total pagecache pages
[  587.234093]  ? warn_alloc+0x120/0x120
[  587.242654] 0 pages in swap cache
[  587.246705]  ? warn_alloc+0x120/0x120
[  587.250484] Swap cache stats: add 0, delete 0, find 0/0
[  587.254279]  ? print_usage_bug+0xc0/0xc0
[  587.257707] Free swap  = 0kB
[  587.261501]  ? kvm_clock_read+0x18/0x30
[  587.266839] Total swap = 0kB
[  587.270894]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  587.273889] 1965979 pages RAM
[  587.277855]  ? print_usage_bug+0xc0/0xc0
[  587.280855] 0 pages HighMem/MovableOnly
[  587.285868]  ? __lock_acquire+0x62f/0x4c20
[  587.288950] 342854 pages reserved
[  587.293008]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  587.296958] 0 pages cma reserved
[  587.301185]  ? should_fail+0x22d/0xd01
[  587.304678] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  587.310143]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  587.310163]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  587.310180]  ? __lock_acquire+0x62f/0x4c20
[  587.313602] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  587.317418]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  587.323884] syz-fuzzer cpuset=/ mems_allowed=0
[  587.329158]  ? __lock_acquire+0x62f/0x4c20
[  587.362564]  ? should_fail+0x22d/0xd01
[  587.366451]  ? rcu_irq_exit+0x1a2/0x390
[  587.370442]  ? mark_held_locks+0x130/0x130
[  587.374684]  ? mark_held_locks+0x130/0x130
[  587.378923]  ? perf_trace_lock+0x14d/0x7a0
[  587.383169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  587.388711]  ? check_preemption_disabled+0x48/0x280
[  587.393725]  ? zap_class+0x640/0x640
[  587.397453]  ? debug_smp_processor_id+0x1c/0x20
[  587.402128]  ? perf_trace_lock+0x14d/0x7a0
[  587.406364]  ? check_preemption_disabled+0x48/0x280
[  587.411389]  ? lock_is_held_type+0x210/0x210
[  587.415803]  ? __lock_is_held+0xb5/0x140
[  587.419875]  __alloc_pages_nodemask+0xad8/0xea0
[  587.424555]  ? zap_class+0x640/0x640
[  587.428283]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  587.433318]  ? find_held_lock+0x36/0x1c0
[  587.437394]  ? ____cache_alloc_node+0x1c7/0x1e0
[  587.442072]  ? lock_downgrade+0x900/0x900
[  587.446233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  587.451777]  cache_grow_begin+0xa5/0x8c0
[  587.455853]  ? do_raw_spin_unlock+0xa7/0x330
[  587.460271]  fallback_alloc+0x204/0x2e0
[  587.464254]  ____cache_alloc_node+0x1c7/0x1e0
[  587.468756]  kmem_cache_alloc_node+0xe3/0x730
[  587.473258]  ? ipv6_get_ifaddr+0x42e/0x620
[  587.477510]  __alloc_skb+0x119/0x770
[  587.481235]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  587.486517]  ? netdev_alloc_frag+0x1f0/0x1f0
[  587.490942]  ? lock_downgrade+0x900/0x900
[  587.495103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  587.500647]  ? refcount_sub_and_test_checked+0x203/0x310
[  587.506103]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  587.511571]  ? addrconf_rs_timer+0x690/0x690
[  587.515996]  ndisc_alloc_skb+0x144/0x340
[  587.520071]  ndisc_send_rs+0x331/0x6e0
[  587.523967]  addrconf_rs_timer+0x314/0x690
[  587.528215]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  587.532469]  call_timer_fn+0x272/0x920
[  587.536363]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  587.540606]  ? process_timeout+0x40/0x40
[  587.544680]  ? __run_timers+0x7da/0xc70
[  587.548660]  ? _raw_spin_unlock_irq+0x27/0x80
[  587.553156]  ? _raw_spin_unlock_irq+0x27/0x80
[  587.557654]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  587.561896]  ? lockdep_hardirqs_on+0x296/0x5b0
[  587.566486]  ? trace_hardirqs_on+0xbd/0x310
[  587.570814]  ? kasan_check_read+0x11/0x20
[  587.574965]  ? __run_timers+0x7da/0xc70
[  587.578942]  ? trace_hardirqs_off_caller+0x310/0x310
[  587.584067]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  587.588313]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  587.592551]  __run_timers+0x7e5/0xc70
[  587.596368]  ? timer_fixup_init+0x70/0x70
[  587.600522]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  587.605561]  ? zap_class+0x640/0x640
[  587.609279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  587.614821]  ? check_preemption_disabled+0x48/0x280
[  587.619847]  ? debug_smp_processor_id+0x1c/0x20
[  587.624520]  ? perf_trace_lock+0x14d/0x7a0
[  587.628774]  ? find_held_lock+0x36/0x1c0
[  587.632842]  ? zap_class+0x640/0x640
[  587.636570]  ? pvclock_read_flags+0x160/0x160
[  587.641076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  587.646627]  ? check_preemption_disabled+0x48/0x280
[  587.651661]  ? __lock_is_held+0xb5/0x140
[  587.655726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  587.661270]  ? check_preemption_disabled+0x48/0x280
[  587.666295]  run_timer_softirq+0x52/0xb0
[  587.670382]  ? rcu_read_lock_sched_held+0x14f/0x180
[  587.675403]  __do_softirq+0x308/0xb7e
[  587.679216]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  587.683715]  ? lock_downgrade+0x900/0x900
[  587.687869]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  587.693003]  ? pvclock_read_flags+0x160/0x160
[  587.697533]  ? lapic_next_event+0x5a/0x90
[  587.701688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  587.707233]  ? kvm_clock_read+0x18/0x30
[  587.711226]  ? kvm_sched_clock_read+0x9/0x20
[  587.715653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  587.721202]  ? check_preemption_disabled+0x48/0x280
[  587.726236]  irq_exit+0x17f/0x1c0
[  587.729693]  smp_apic_timer_interrupt+0x1cb/0x760
[  587.734543]  ? smp_reschedule_interrupt+0x109/0x650
[  587.739577]  ? smp_call_function_single_interrupt+0x650/0x650
[  587.745463]  ? interrupt_entry+0xb5/0xc0
[  587.749541]  ? trace_hardirqs_off_caller+0xbb/0x310
[  587.754560]  ? trace_hardirqs_off_caller+0xbb/0x310
[  587.759583]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  587.764429]  ? trace_hardirqs_on_caller+0x310/0x310
[  587.769442]  ? trace_hardirqs_on_caller+0x310/0x310
[  587.774459]  ? task_prio+0x50/0x50
[  587.778005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  587.783556]  ? check_preemption_disabled+0x48/0x280
[  587.788582]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  587.793440]  apic_timer_interrupt+0xf/0x20
[  587.797671]  </IRQ>
[  587.799912] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  587.804847] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  587.823774] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  587.831483] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  587.838750] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  587.846021] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  587.853297] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  587.860582] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  587.867900]  skb_clone+0x1bb/0x500
[  587.871449]  ? skb_split+0x11e0/0x11e0
[  587.875346]  ? debug_smp_processor_id+0x1c/0x20
[  587.880026]  ? perf_trace_lock+0x14d/0x7a0
[  587.884270]  ? __switch_to_asm+0x34/0x70
[  587.888328]  ? __switch_to_asm+0x40/0x70
[  587.892389]  ? __switch_to_asm+0x40/0x70
[  587.896449]  ? __switch_to_asm+0x34/0x70
[  587.900535]  bpf_clone_redirect+0xb9/0x490
[  587.904781]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  587.909715]  ? __sched_text_start+0x8/0x8
[  587.913881]  ? find_held_lock+0x36/0x1c0
[  587.917958]  ? lock_acquire+0x1ed/0x520
[  587.921952]  ? bpf_test_run+0x3cb/0x780
[  587.925934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  587.931474]  ? check_preemption_disabled+0x48/0x280
[  587.936500]  ? kasan_check_read+0x11/0x20
[  587.940659]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  587.945943]  ? rcu_softirq_qs+0x20/0x20
[  587.949921]  ? preempt_schedule+0x4d/0x60
[  587.954074]  ? ___preempt_schedule+0x16/0x18
[  587.958502]  ? bpf_test_run+0x25d/0x780
[  587.962499]  ? netlink_diag_dump+0x2a0/0x2a0
[  587.966922]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  587.972470]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  587.977238]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  587.982079]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  587.987622]  ? fput+0x130/0x1a0
[  587.990908]  ? __bpf_prog_get+0x9b/0x290
[  587.995004]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  587.999846]  ? bpf_prog_test_run+0x130/0x1a0
[  588.004258]  ? __x64_sys_bpf+0x3d8/0x520
[  588.008320]  ? bpf_prog_get+0x20/0x20
[  588.012147]  ? do_syscall_64+0x1b9/0x820
[  588.016208]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  588.021580]  ? syscall_return_slowpath+0x5e0/0x5e0
[  588.026513]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  588.031367]  ? trace_hardirqs_on_caller+0x310/0x310
[  588.036388]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  588.041408]  ? prepare_exit_to_usermode+0x291/0x3b0
[  588.046435]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  588.051288]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  588.056678] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  588.056751] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  588.063691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  588.063701] Call Trace:
[  588.070277] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  588.079518]  <IRQ>
[  588.082100] syz-executor4 cpuset=syz4 mems_allowed=0
[  588.092581]  dump_stack+0x244/0x39d
[  588.103420]  ? dump_stack_print_info.cold.1+0x20/0x20
[  588.108629]  warn_alloc.cold.116+0xb7/0x1bd
[  588.112972]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  588.117820]  ? lock_downgrade+0x900/0x900
[  588.121983]  ? trace_hardirqs_off+0xb8/0x310
[  588.126405]  ? trace_hardirqs_off+0xb8/0x310
[  588.130824]  __alloc_pages_slowpath+0x2651/0x2de0
[  588.135700]  ? warn_alloc+0x120/0x120
[  588.139503]  ? print_usage_bug+0xc0/0xc0
[  588.143584]  ? warn_alloc+0x120/0x120
[  588.147393]  ? debug_smp_processor_id+0x1c/0x20
[  588.152065]  ? warn_alloc+0x120/0x120
[  588.155875]  ? print_usage_bug+0xc0/0xc0
[  588.159942]  ? print_usage_bug+0xc0/0xc0
[  588.164009]  ? __lock_acquire+0x62f/0x4c20
[  588.168252]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  588.173794]  ? should_fail+0x22d/0xd01
[  588.177690]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  588.182798]  ? __lock_acquire+0x62f/0x4c20
[  588.187054]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  588.192159]  ? __lock_acquire+0x62f/0x4c20
[  588.196395]  ? should_fail+0x22d/0xd01
[  588.200286]  ? find_held_lock+0x36/0x1c0
[  588.204358]  ? mark_held_locks+0x130/0x130
[  588.208603]  ? mark_held_locks+0x130/0x130
[  588.212839]  ? perf_trace_lock+0x14d/0x7a0
[  588.217083]  ? zap_class+0x640/0x640
[  588.220804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  588.226345]  ? check_preemption_disabled+0x48/0x280
[  588.231361]  ? zap_class+0x640/0x640
[  588.235084]  ? debug_smp_processor_id+0x1c/0x20
[  588.239753]  ? perf_trace_lock+0x14d/0x7a0
[  588.243989]  ? check_preemption_disabled+0x48/0x280
[  588.249019]  ? lock_is_held_type+0x210/0x210
[  588.253429]  ? __lock_is_held+0xb5/0x140
[  588.257501]  __alloc_pages_nodemask+0xad8/0xea0
[  588.262186]  ? zap_class+0x640/0x640
[  588.265910]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  588.270940]  ? find_held_lock+0x36/0x1c0
[  588.275017]  ? ____cache_alloc_node+0x1c7/0x1e0
[  588.279693]  ? lock_downgrade+0x900/0x900
[  588.283852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  588.289399]  cache_grow_begin+0xa5/0x8c0
[  588.293462]  ? do_raw_spin_unlock+0xa7/0x330
[  588.297882]  fallback_alloc+0x204/0x2e0
[  588.301865]  ____cache_alloc_node+0x1c7/0x1e0
[  588.306370]  kmem_cache_alloc_node+0xe3/0x730
[  588.310872]  ? ipv6_get_ifaddr+0x42e/0x620
[  588.315131]  __alloc_skb+0x119/0x770
[  588.318844]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  588.324132]  ? netdev_alloc_frag+0x1f0/0x1f0
[  588.328554]  ? lock_downgrade+0x900/0x900
[  588.332717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  588.338259]  ? refcount_sub_and_test_checked+0x203/0x310
[  588.343716]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  588.349169]  ? addrconf_rs_timer+0x690/0x690
[  588.353597]  ndisc_alloc_skb+0x144/0x340
[  588.357667]  ndisc_send_rs+0x331/0x6e0
[  588.361571]  addrconf_rs_timer+0x314/0x690
[  588.365814]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  588.370062]  call_timer_fn+0x272/0x920
[  588.373953]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  588.378188]  ? process_timeout+0x40/0x40
[  588.382263]  ? mark_held_locks+0xc7/0x130
[  588.386414]  ? _raw_spin_unlock_irq+0x27/0x80
[  588.390907]  ? _raw_spin_unlock_irq+0x27/0x80
[  588.395402]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  588.399640]  ? lockdep_hardirqs_on+0x296/0x5b0
[  588.404264]  ? trace_hardirqs_on+0xbd/0x310
[  588.408586]  ? kasan_check_read+0x11/0x20
[  588.412738]  ? __run_timers+0x7da/0xc70
[  588.416714]  ? trace_hardirqs_off_caller+0x310/0x310
[  588.421825]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  588.426099]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  588.430339]  __run_timers+0x7e5/0xc70
[  588.434162]  ? timer_fixup_init+0x70/0x70
[  588.438330]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  588.443351]  ? zap_class+0x640/0x640
[  588.447068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  588.452620]  ? print_usage_bug+0xc0/0xc0
[  588.456695]  ? debug_smp_processor_id+0x1c/0x20
[  588.461369]  ? perf_trace_lock+0x14d/0x7a0
[  588.465612]  ? find_held_lock+0x36/0x1c0
[  588.469681]  ? zap_class+0x640/0x640
[  588.473404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  588.478946]  ? check_preemption_disabled+0x48/0x280
[  588.483974]  ? __lock_is_held+0xb5/0x140
[  588.488039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  588.493587]  ? check_preemption_disabled+0x48/0x280
[  588.498617]  run_timer_softirq+0x52/0xb0
[  588.502682]  ? rcu_read_lock_sched_held+0x14f/0x180
[  588.507707]  __do_softirq+0x308/0xb7e
[  588.511518]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  588.516028]  ? lock_downgrade+0x900/0x900
[  588.520184]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  588.525296]  ? pvclock_read_flags+0x160/0x160
[  588.529797]  ? lapic_next_event+0x5a/0x90
[  588.533952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  588.539496]  ? kvm_clock_read+0x18/0x30
[  588.543482]  ? kvm_sched_clock_read+0x9/0x20
[  588.547897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  588.553441]  ? check_preemption_disabled+0x48/0x280
[  588.558474]  irq_exit+0x17f/0x1c0
[  588.561931]  smp_apic_timer_interrupt+0x1cb/0x760
[  588.566775]  ? smp_reschedule_interrupt+0x109/0x650
[  588.571795]  ? smp_call_function_single_interrupt+0x650/0x650
[  588.577679]  ? interrupt_entry+0xb5/0xc0
[  588.581747]  ? trace_hardirqs_off_caller+0xbb/0x310
[  588.586766]  ? trace_hardirqs_off_caller+0xbb/0x310
[  588.591785]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  588.596632]  ? trace_hardirqs_on_caller+0x310/0x310
[  588.601653]  ? trace_hardirqs_on_caller+0x310/0x310
[  588.606670]  ? task_prio+0x50/0x50
[  588.610227]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  588.615779]  ? check_preemption_disabled+0x48/0x280
[  588.620802]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  588.625657]  apic_timer_interrupt+0xf/0x20
[  588.629891]  </IRQ>
[  588.632134] RIP: 0010:console_unlock+0x102f/0x1190
[  588.637064] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  588.655963] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  588.663671] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  588.670942] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  588.678209] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  588.685482] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  588.692748] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  588.700031]  ? netconsole_netdev_event+0x280/0x280
[  588.704972]  ? console_unlock+0x1026/0x1190
[  588.709319]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  588.713985]  ? vprintk_emit+0x846/0x990
[  588.717964]  ? lock_release+0xa00/0xa00
[  588.721941]  ? trace_hardirqs_on+0x30/0x310
[  588.726273]  ? vprintk_default+0x28/0x30
[  588.730340]  ? trace_hardirqs_off_caller+0x310/0x310
[  588.735448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  588.741694]  vprintk_emit+0x391/0x990
[  588.745502]  ? wake_up_klogd+0x180/0x180
[  588.749588]  ? find_held_lock+0x31/0x1c0
[  588.753660]  ? mark_held_locks+0xc7/0x130
[  588.757815]  ? _raw_spin_unlock_irq+0x27/0x80
[  588.762310]  ? _raw_spin_unlock_irq+0x27/0x80
[  588.766813]  vprintk_default+0x28/0x30
[  588.770707]  vprintk_func+0x7e/0x181
[  588.774423]  printk+0xa7/0xcf
[  588.777544]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  588.782306]  ? _raw_spin_unlock_irq+0x60/0x80
[  588.786822]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  588.792109]  dump_header+0x7cc/0xf72
[  588.795828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  588.801374]  ? check_preemption_disabled+0x48/0x280
[  588.806396]  ? pagefault_out_of_memory+0x197/0x197
[  588.811330]  ? debug_smp_processor_id+0x1c/0x20
[  588.815999]  ? perf_trace_lock+0x14d/0x7a0
[  588.820237]  ? mark_held_locks+0x130/0x130
[  588.824476]  ? lock_is_held_type+0x210/0x210
[  588.828894]  ? debug_smp_processor_id+0x1c/0x20
[  588.833569]  ? zap_class+0x640/0x640
[  588.837289]  ? lock_is_held_type+0x210/0x210
[  588.841696]  ? perf_trace_lock+0x14d/0x7a0
[  588.845943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  588.851486]  ? find_held_lock+0x36/0x1c0
[  588.855569]  ? mark_held_locks+0xc7/0x130
[  588.859727]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  588.864834]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  588.869940]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  588.874551]  ? trace_hardirqs_on+0xbd/0x310
[  588.878876]  ? kasan_check_read+0x11/0x20
[  588.883027]  ? ___ratelimit+0x3b4/0x672
[  588.887019]  ? trace_hardirqs_off_caller+0x310/0x310
[  588.892130]  ? trace_hardirqs_on+0x310/0x310
[  588.896555]  ? lock_downgrade+0x900/0x900
[  588.900711]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  588.905816]  ? ___ratelimit+0x3b9/0x672
[  588.909797]  ? idr_get_free+0xf70/0xf70
[  588.913772]  ? lock_is_held_type+0x210/0x210
[  588.918194]  oom_kill_process.cold.27+0x10/0x903
[  588.922951]  ? zap_class+0x640/0x640
[  588.926669]  ? _raw_spin_unlock+0x2c/0x50
[  588.930821]  ? oom_badness+0xe6/0xaa0
[  588.934631]  ? oom_evaluate_task+0x540/0x540
[  588.939077]  ? find_held_lock+0x36/0x1c0
[  588.943166]  ? out_of_memory+0x974/0x1430
[  588.947316]  ? lock_downgrade+0x900/0x900
[  588.951465]  ? check_preemption_disabled+0x48/0x280
[  588.956488]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  588.961417]  ? kasan_check_read+0x11/0x20
[  588.965572]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  588.970854]  ? rcu_softirq_qs+0x20/0x20
[  588.974834]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  588.979852]  ? oom_evaluate_task+0x302/0x540
[  588.984269]  out_of_memory+0xa84/0x1430
[  588.988255]  ? oom_killer_disable+0x3a0/0x3a0
[  588.992752]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  588.997687]  ? __ww_mutex_check_waiters+0x160/0x160
[  589.002721]  __alloc_pages_slowpath+0x232c/0x2de0
[  589.007607]  ? warn_alloc+0x120/0x120
[  589.011860]  ? mark_held_locks+0x130/0x130
[  589.016717]  ? find_get_entry+0xaae/0x1120
[  589.020974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  589.026522]  ? check_preemption_disabled+0x48/0x280
[  589.031570]  ? filemap_map_pages+0x1a20/0x1a20
[  589.036252]  ? debug_smp_processor_id+0x1c/0x20
[  589.040928]  ? perf_trace_lock+0x14d/0x7a0
[  589.045177]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  589.050720]  ? should_fail+0x22d/0xd01
[  589.054617]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  589.059726]  ? zap_class+0x640/0x640
[  589.063476]  ? __lock_is_held+0xb5/0x140
[  589.067570]  ? mark_held_locks+0x130/0x130
[  589.071817]  ? lock_release+0xa00/0xa00
[  589.075801]  ? perf_trace_sched_process_exec+0x860/0x860
[  589.081257]  ? xa_load+0x2ba/0x460
[  589.084808]  ? lock_downgrade+0x900/0x900
[  589.088978]  ? __might_sleep+0x95/0x190
[  589.092965]  __alloc_pages_nodemask+0xad8/0xea0
[  589.097679]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  589.102708]  ? __page_cache_alloc+0x191/0x5c0
[  589.107203]  ? xa_load+0x2e1/0x460
[  589.110751]  ? xa_clear_mark+0x40/0x40
[  589.114645]  ? zap_class+0x640/0x640
[  589.118368]  ? zap_class+0x640/0x640
[  589.122086]  ? zap_class+0x640/0x640
[  589.125804]  ? __do_page_cache_readahead+0x663/0x810
[  589.130928]  ? find_held_lock+0x36/0x1c0
[  589.135017]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  589.141694]  alloc_pages_current+0x173/0x350
[  589.146138]  __page_cache_alloc+0x38c/0x5c0
[  589.150455]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  589.155417]  ? kasan_check_read+0x11/0x20
[  589.159566]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  589.164862]  ? generic_perform_write+0x6a0/0x6a0
[  589.169625]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  589.175167]  ? check_preemption_disabled+0x48/0x280
[  589.180196]  filemap_fault+0x1595/0x25f0
[  589.184278]  ? __lock_page_or_retry+0xa00/0xa00
[  589.188954]  ? mark_held_locks+0x130/0x130
[  589.193203]  ? filemap_map_pages+0xd6b/0x1a20
[  589.197701]  ? lock_downgrade+0x900/0x900
[  589.201854]  ? check_preemption_disabled+0x48/0x280
[  589.206905]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  589.211894]  ? kasan_check_read+0x11/0x20
[  589.216126]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  589.221438]  ? rcu_softirq_qs+0x20/0x20
[  589.225428]  ? filemap_map_pages+0xd92/0x1a20
[  589.229941]  ? find_get_entries_tag+0x1400/0x1400
[  589.234789]  ? debug_object_destroy+0x2b0/0x2b0
[  589.239478]  ? lock_pi_update_atomic+0x150/0x150
[  589.244238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  589.249810]  ? lock_acquire+0x1ed/0x520
[  589.253789]  ? ext4_filemap_fault+0x7a/0xad
[  589.258137]  ? lock_release+0xa00/0xa00
[  589.262127]  ? perf_trace_sched_process_exec+0x860/0x860
[  589.267583]  ? print_usage_bug+0xc0/0xc0
[  589.271666]  ? print_usage_bug+0xc0/0xc0
[  589.275747]  ? down_read+0x8d/0x120
[  589.279374]  ? ext4_filemap_fault+0x7a/0xad
[  589.283697]  ? __down_interruptible+0x700/0x700
[  589.288383]  ext4_filemap_fault+0x82/0xad
[  589.292558]  __do_fault+0x100/0x6b0
[  589.296225]  ? pmd_devmap_trans_unstable+0x220/0x220
[  589.301330]  ? mark_held_locks+0x130/0x130
[  589.305566]  ? mark_held_locks+0x130/0x130
[  589.309805]  ? debug_smp_processor_id+0x1c/0x20
[  589.314480]  ? perf_trace_lock+0x14d/0x7a0
[  589.318721]  ? lock_downgrade+0x900/0x900
[  589.322877]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  589.328421]  __handle_mm_fault+0x3ea0/0x5be0
[  589.332843]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  589.337691]  ? lock_is_held_type+0x210/0x210
[  589.342104]  ? file_remove_privs+0x540/0x540
[  589.346512]  ? file_remove_privs+0x540/0x540
[  589.350976]  ? zap_class+0x640/0x640
[  589.354693]  ? zap_class+0x640/0x640
[  589.358406]  ? __x64_sys_futex+0x53e/0x6a0
[  589.362647]  ? find_held_lock+0x36/0x1c0
[  589.366736]  ? handle_mm_fault+0x42a/0xc70
[  589.370975]  ? lock_downgrade+0x900/0x900
[  589.375125]  ? check_preemption_disabled+0x48/0x280
[  589.380144]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  589.385073]  ? kasan_check_read+0x11/0x20
[  589.389219]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  589.394495]  ? rcu_softirq_qs+0x20/0x20
[  589.398495]  ? trace_hardirqs_off_caller+0x310/0x310
[  589.403648]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  589.409184]  ? check_preemption_disabled+0x48/0x280
[  589.414243]  handle_mm_fault+0x54f/0xc70
[  589.418343]  ? __handle_mm_fault+0x5be0/0x5be0
[  589.422950]  ? find_vma+0x34/0x190
[  589.426498]  __do_page_fault+0x5e8/0xe60
[  589.430594]  ? trace_hardirqs_off+0xb8/0x310
[  589.435021]  do_page_fault+0xf2/0x7e0
[  589.438851]  ? vmalloc_sync_all+0x30/0x30
[  589.443004]  ? error_entry+0x70/0xd0
[  589.446725]  ? trace_hardirqs_off_caller+0xbb/0x310
[  589.451739]  ? trace_hardirqs_on_caller+0xc0/0x310
[  589.456668]  ? syscall_return_slowpath+0x5e0/0x5e0
[  589.461599]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  589.466457]  ? trace_hardirqs_on_caller+0x310/0x310
[  589.471488]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  589.477005]  ? prepare_exit_to_usermode+0x291/0x3b0
[  589.482023]  ? page_fault+0x8/0x30
[  589.485579]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  589.490427]  ? page_fault+0x8/0x30
[  589.493970]  page_fault+0x1e/0x30
[  589.497426] RIP: 0033:0x45ddf3
[  589.500649] Code: Bad RIP value.
[  589.504014] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  589.509376] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  589.516735] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  589.524012] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  589.531281] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  589.538564] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  589.545874] warn_alloc_show_mem: 1 callbacks suppressed
[  589.545885] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  589.545888] Mem-Info:
[  589.545953] active_anon:147110 inactive_anon:190 isolated_anon:0
[  589.545953]  active_file:13 inactive_file:13 isolated_file:2
[  589.545953]  unevictable:1 dirty:0 writeback:0 unstable:0
[  589.545953]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  589.545953]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  589.545953]  free:13705 free_pcp:247 free_cma:0
[  589.551292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  589.558657] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  589.561060] Call Trace:
[  589.594101] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  589.603447]  <IRQ>
[  589.630932] lowmem_reserve[]: 0 2818 6321 6321
[  589.633549]  dump_stack+0x244/0x39d
[  589.659632] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  589.661786]  ? dump_stack_print_info.cold.1+0x20/0x20
[  589.666330] lowmem_reserve[]: 0 0 3503 3503
[  589.669965]  warn_alloc.cold.116+0xb7/0x1bd
[  589.697604] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  589.702793]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  589.707090] lowmem_reserve[]: 0 0 0 0
[  589.711413]  ? lock_downgrade+0x900/0x900
[  589.740273] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  589.745121]  ? trace_hardirqs_off+0xb8/0x310
[  589.748892] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  589.753044]  ? trace_hardirqs_off+0xb8/0x310
[  589.766543] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  589.770954]  __alloc_pages_slowpath+0x2651/0x2de0
[  589.786047] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  589.790484]  ? warn_alloc+0x120/0x120
[  589.805000] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  589.809828]  ? print_usage_bug+0xc0/0xc0
[  589.818641] 274 total pagecache pages
[  589.822446]  ? warn_alloc+0x120/0x120
[  589.831053] 0 pages in swap cache
[  589.835122]  ? warn_alloc+0x120/0x120
[  589.838906] Swap cache stats: add 0, delete 0, find 0/0
[  589.842701]  ? print_usage_bug+0xc0/0xc0
[  589.846132] Free swap  = 0kB
[  589.849926]  ? kvm_clock_read+0x18/0x30
[  589.855263] Total swap = 0kB
[  589.859331]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  589.862323] 1965979 pages RAM
[  589.866290]  ? print_usage_bug+0xc0/0xc0
[  589.869283] 0 pages HighMem/MovableOnly
[  589.874293]  ? __lock_acquire+0x62f/0x4c20
[  589.877378] 342854 pages reserved
[  589.881432]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  589.885383] 0 pages cma reserved
[  589.889610]  ? should_fail+0x22d/0xd01
[  589.893130] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  589.898602]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  589.898621]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  589.898638]  ? __lock_acquire+0x62f/0x4c20
[  589.902061] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  589.905873]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  589.912341] syz-fuzzer cpuset=/ mems_allowed=0
[  589.917614]  ? __lock_acquire+0x62f/0x4c20
[  589.950989]  ? should_fail+0x22d/0xd01
[  589.954882]  ? rcu_irq_exit+0x1a2/0x390
[  589.958869]  ? mark_held_locks+0x130/0x130
[  589.963115]  ? mark_held_locks+0x130/0x130
[  589.967356]  ? perf_trace_lock+0x14d/0x7a0
[  589.971600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  589.977142]  ? check_preemption_disabled+0x48/0x280
[  589.982156]  ? zap_class+0x640/0x640
[  589.985876]  ? debug_smp_processor_id+0x1c/0x20
[  589.990553]  ? perf_trace_lock+0x14d/0x7a0
[  589.994791]  ? check_preemption_disabled+0x48/0x280
[  589.999818]  ? lock_is_held_type+0x210/0x210
[  590.004231]  ? __lock_is_held+0xb5/0x140
[  590.008309]  __alloc_pages_nodemask+0xad8/0xea0
[  590.012985]  ? zap_class+0x640/0x640
[  590.016711]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  590.021740]  ? find_held_lock+0x36/0x1c0
[  590.025814]  ? ____cache_alloc_node+0x1c7/0x1e0
[  590.030485]  ? lock_downgrade+0x900/0x900
[  590.034643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.040190]  cache_grow_begin+0xa5/0x8c0
[  590.044252]  ? do_raw_spin_unlock+0xa7/0x330
[  590.048673]  fallback_alloc+0x204/0x2e0
[  590.052659]  ____cache_alloc_node+0x1c7/0x1e0
[  590.057165]  kmem_cache_alloc_node+0xe3/0x730
[  590.061665]  ? ipv6_get_ifaddr+0x42e/0x620
[  590.065917]  __alloc_skb+0x119/0x770
[  590.069639]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  590.074926]  ? netdev_alloc_frag+0x1f0/0x1f0
[  590.079335]  ? lock_downgrade+0x900/0x900
[  590.083497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.089049]  ? refcount_sub_and_test_checked+0x203/0x310
[  590.094509]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  590.099970]  ? addrconf_rs_timer+0x690/0x690
[  590.104393]  ndisc_alloc_skb+0x144/0x340
[  590.108465]  ndisc_send_rs+0x331/0x6e0
[  590.112361]  addrconf_rs_timer+0x314/0x690
[  590.116604]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  590.120855]  call_timer_fn+0x272/0x920
[  590.124746]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  590.128983]  ? process_timeout+0x40/0x40
[  590.133063]  ? __run_timers+0x7da/0xc70
[  590.137046]  ? _raw_spin_unlock_irq+0x27/0x80
[  590.141547]  ? _raw_spin_unlock_irq+0x27/0x80
[  590.146048]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  590.150300]  ? lockdep_hardirqs_on+0x296/0x5b0
[  590.154885]  ? trace_hardirqs_on+0xbd/0x310
[  590.159200]  ? kasan_check_read+0x11/0x20
[  590.163359]  ? __run_timers+0x7da/0xc70
[  590.167332]  ? trace_hardirqs_off_caller+0x310/0x310
[  590.172440]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  590.176682]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  590.180919]  __run_timers+0x7e5/0xc70
[  590.184735]  ? timer_fixup_init+0x70/0x70
[  590.188891]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  590.193924]  ? zap_class+0x640/0x640
[  590.197642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.203184]  ? check_preemption_disabled+0x48/0x280
[  590.208207]  ? debug_smp_processor_id+0x1c/0x20
[  590.212876]  ? perf_trace_lock+0x14d/0x7a0
[  590.217120]  ? find_held_lock+0x36/0x1c0
[  590.221190]  ? zap_class+0x640/0x640
[  590.224926]  ? pvclock_read_flags+0x160/0x160
[  590.229423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.234962]  ? check_preemption_disabled+0x48/0x280
[  590.240021]  ? __lock_is_held+0xb5/0x140
[  590.244090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.249642]  ? check_preemption_disabled+0x48/0x280
[  590.254692]  run_timer_softirq+0x52/0xb0
[  590.258757]  ? rcu_read_lock_sched_held+0x14f/0x180
[  590.263778]  __do_softirq+0x308/0xb7e
[  590.267584]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  590.272079]  ? lock_downgrade+0x900/0x900
[  590.276233]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  590.281346]  ? pvclock_read_flags+0x160/0x160
[  590.285849]  ? lapic_next_event+0x5a/0x90
[  590.290006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.295561]  ? kvm_clock_read+0x18/0x30
[  590.299567]  ? kvm_sched_clock_read+0x9/0x20
[  590.303983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.309521]  ? check_preemption_disabled+0x48/0x280
[  590.314565]  irq_exit+0x17f/0x1c0
[  590.318023]  smp_apic_timer_interrupt+0x1cb/0x760
[  590.322882]  ? smp_reschedule_interrupt+0x109/0x650
[  590.327899]  ? smp_call_function_single_interrupt+0x650/0x650
[  590.333787]  ? interrupt_entry+0xb5/0xc0
[  590.337851]  ? trace_hardirqs_off_caller+0xbb/0x310
[  590.342866]  ? trace_hardirqs_off_caller+0xbb/0x310
[  590.347884]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  590.352733]  ? trace_hardirqs_on_caller+0x310/0x310
[  590.357748]  ? trace_hardirqs_on_caller+0x310/0x310
[  590.362765]  ? task_prio+0x50/0x50
[  590.366313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.371856]  ? check_preemption_disabled+0x48/0x280
[  590.376897]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  590.381765]  apic_timer_interrupt+0xf/0x20
[  590.385994]  </IRQ>
[  590.388232] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  590.393180] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  590.412082] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  590.419792] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  590.427061] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  590.434331] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  590.441602] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  590.448873] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  590.456189]  skb_clone+0x1bb/0x500
[  590.459735]  ? skb_split+0x11e0/0x11e0
[  590.463627]  ? debug_smp_processor_id+0x1c/0x20
[  590.468298]  ? perf_trace_lock+0x14d/0x7a0
[  590.472568]  ? __switch_to_asm+0x34/0x70
[  590.476627]  ? __switch_to_asm+0x40/0x70
[  590.480690]  ? __switch_to_asm+0x40/0x70
[  590.484752]  ? __switch_to_asm+0x34/0x70
[  590.488823]  bpf_clone_redirect+0xb9/0x490
[  590.493075]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  590.498011]  ? __sched_text_start+0x8/0x8
[  590.502181]  ? find_held_lock+0x36/0x1c0
[  590.506270]  ? lock_acquire+0x1ed/0x520
[  590.510261]  ? bpf_test_run+0x3cb/0x780
[  590.514269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.519808]  ? check_preemption_disabled+0x48/0x280
[  590.524831]  ? kasan_check_read+0x11/0x20
[  590.528983]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  590.534260]  ? rcu_softirq_qs+0x20/0x20
[  590.538241]  ? preempt_schedule+0x4d/0x60
[  590.542426]  ? ___preempt_schedule+0x16/0x18
[  590.546843]  ? bpf_test_run+0x25d/0x780
[  590.550847]  ? netlink_diag_dump+0x2a0/0x2a0
[  590.555287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  590.560868]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  590.565683]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  590.570548]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  590.576106]  ? fput+0x130/0x1a0
[  590.579398]  ? __bpf_prog_get+0x9b/0x290
[  590.583480]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  590.588328]  ? bpf_prog_test_run+0x130/0x1a0
[  590.592740]  ? __x64_sys_bpf+0x3d8/0x520
[  590.596805]  ? bpf_prog_get+0x20/0x20
[  590.600631]  ? do_syscall_64+0x1b9/0x820
[  590.604696]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  590.610070]  ? syscall_return_slowpath+0x5e0/0x5e0
[  590.614999]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  590.619865]  ? trace_hardirqs_on_caller+0x310/0x310
[  590.624883]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  590.629918]  ? prepare_exit_to_usermode+0x291/0x3b0
[  590.634942]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  590.639795]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  590.645198] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  590.645268] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  590.652210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  590.652215] Call Trace:
[  590.652222]  <IRQ>
[  590.652240]  dump_stack+0x244/0x39d
[  590.652259]  ? dump_stack_print_info.cold.1+0x20/0x20
[  590.658837] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  590.668120]  warn_alloc.cold.116+0xb7/0x1bd
[  590.670690] syz-executor4 cpuset=syz4 mems_allowed=0
[  590.672837]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  590.706306]  ? lock_downgrade+0x900/0x900
[  590.710465]  ? trace_hardirqs_off+0xb8/0x310
[  590.714881]  ? trace_hardirqs_off+0xb8/0x310
[  590.719332]  __alloc_pages_slowpath+0x2651/0x2de0
[  590.724226]  ? warn_alloc+0x120/0x120
[  590.728036]  ? print_usage_bug+0xc0/0xc0
[  590.732116]  ? warn_alloc+0x120/0x120
[  590.735923]  ? debug_smp_processor_id+0x1c/0x20
[  590.740613]  ? warn_alloc+0x120/0x120
[  590.744421]  ? print_usage_bug+0xc0/0xc0
[  590.748485]  ? print_usage_bug+0xc0/0xc0
[  590.752573]  ? __lock_acquire+0x62f/0x4c20
[  590.756820]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  590.762374]  ? should_fail+0x22d/0xd01
[  590.766267]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  590.771373]  ? __lock_acquire+0x62f/0x4c20
[  590.775621]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  590.780722]  ? __lock_acquire+0x62f/0x4c20
[  590.784960]  ? should_fail+0x22d/0xd01
[  590.788867]  ? find_held_lock+0x36/0x1c0
[  590.792958]  ? mark_held_locks+0x130/0x130
[  590.797225]  ? mark_held_locks+0x130/0x130
[  590.801473]  ? perf_trace_lock+0x14d/0x7a0
[  590.805707]  ? zap_class+0x640/0x640
[  590.809429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.814966]  ? check_preemption_disabled+0x48/0x280
[  590.819979]  ? zap_class+0x640/0x640
[  590.823699]  ? debug_smp_processor_id+0x1c/0x20
[  590.828371]  ? perf_trace_lock+0x14d/0x7a0
[  590.832608]  ? check_preemption_disabled+0x48/0x280
[  590.837635]  ? lock_is_held_type+0x210/0x210
[  590.842049]  ? __lock_is_held+0xb5/0x140
[  590.846127]  __alloc_pages_nodemask+0xad8/0xea0
[  590.850800]  ? zap_class+0x640/0x640
[  590.854525]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  590.859584]  ? find_held_lock+0x36/0x1c0
[  590.863660]  ? ____cache_alloc_node+0x1c7/0x1e0
[  590.868353]  ? lock_downgrade+0x900/0x900
[  590.872513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.878072]  cache_grow_begin+0xa5/0x8c0
[  590.882137]  ? do_raw_spin_unlock+0xa7/0x330
[  590.886593]  fallback_alloc+0x204/0x2e0
[  590.890591]  ____cache_alloc_node+0x1c7/0x1e0
[  590.895098]  kmem_cache_alloc_node+0xe3/0x730
[  590.899595]  ? ipv6_get_ifaddr+0x42e/0x620
[  590.903845]  __alloc_skb+0x119/0x770
[  590.907571]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  590.912853]  ? netdev_alloc_frag+0x1f0/0x1f0
[  590.917263]  ? lock_downgrade+0x900/0x900
[  590.921425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.926964]  ? refcount_sub_and_test_checked+0x203/0x310
[  590.932422]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  590.937876]  ? addrconf_rs_timer+0x690/0x690
[  590.942302]  ndisc_alloc_skb+0x144/0x340
[  590.946372]  ndisc_send_rs+0x331/0x6e0
[  590.950266]  addrconf_rs_timer+0x314/0x690
[  590.954507]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  590.958771]  call_timer_fn+0x272/0x920
[  590.962676]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  590.966913]  ? process_timeout+0x40/0x40
[  590.970988]  ? mark_held_locks+0xc7/0x130
[  590.975140]  ? _raw_spin_unlock_irq+0x27/0x80
[  590.979639]  ? _raw_spin_unlock_irq+0x27/0x80
[  590.984136]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  590.988372]  ? lockdep_hardirqs_on+0x296/0x5b0
[  590.992967]  ? trace_hardirqs_on+0xbd/0x310
[  590.997305]  ? kasan_check_read+0x11/0x20
[  591.001455]  ? __run_timers+0x7da/0xc70
[  591.005436]  ? trace_hardirqs_off_caller+0x310/0x310
[  591.011002]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  591.015245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  591.019478]  __run_timers+0x7e5/0xc70
[  591.023291]  ? timer_fixup_init+0x70/0x70
[  591.027446]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  591.032463]  ? zap_class+0x640/0x640
[  591.036183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  591.041725]  ? print_usage_bug+0xc0/0xc0
[  591.045793]  ? debug_smp_processor_id+0x1c/0x20
[  591.050470]  ? perf_trace_lock+0x14d/0x7a0
[  591.054714]  ? find_held_lock+0x36/0x1c0
[  591.058787]  ? zap_class+0x640/0x640
[  591.062510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  591.068065]  ? check_preemption_disabled+0x48/0x280
[  591.073093]  ? __lock_is_held+0xb5/0x140
[  591.077159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  591.082705]  ? check_preemption_disabled+0x48/0x280
[  591.087736]  run_timer_softirq+0x52/0xb0
[  591.091800]  ? rcu_read_lock_sched_held+0x14f/0x180
[  591.096824]  __do_softirq+0x308/0xb7e
[  591.100632]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  591.105129]  ? lock_downgrade+0x900/0x900
[  591.109286]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  591.114404]  ? pvclock_read_flags+0x160/0x160
[  591.118903]  ? lapic_next_event+0x5a/0x90
[  591.123056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  591.128607]  ? kvm_clock_read+0x18/0x30
[  591.132587]  ? kvm_sched_clock_read+0x9/0x20
[  591.136998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  591.142635]  ? check_preemption_disabled+0x48/0x280
[  591.147679]  irq_exit+0x17f/0x1c0
[  591.151138]  smp_apic_timer_interrupt+0x1cb/0x760
[  591.155982]  ? smp_reschedule_interrupt+0x109/0x650
[  591.161000]  ? smp_call_function_single_interrupt+0x650/0x650
[  591.166886]  ? interrupt_entry+0xb5/0xc0
[  591.170950]  ? trace_hardirqs_off_caller+0xbb/0x310
[  591.175967]  ? trace_hardirqs_off_caller+0xbb/0x310
[  591.180997]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  591.185892]  ? trace_hardirqs_on_caller+0x310/0x310
[  591.190917]  ? trace_hardirqs_on_caller+0x310/0x310
[  591.195934]  ? task_prio+0x50/0x50
[  591.199479]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  591.205019]  ? check_preemption_disabled+0x48/0x280
[  591.210046]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  591.214901]  apic_timer_interrupt+0xf/0x20
[  591.219129]  </IRQ>
[  591.221368] RIP: 0010:console_unlock+0x102f/0x1190
[  591.226299] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  591.245196] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  591.252909] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  591.260176] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  591.267446] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  591.274717] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  591.281989] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  591.289270]  ? netconsole_netdev_event+0x280/0x280
[  591.294219]  ? console_unlock+0x1026/0x1190
[  591.298608]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  591.303281]  ? vprintk_emit+0x846/0x990
[  591.307265]  ? lock_release+0xa00/0xa00
[  591.311260]  ? trace_hardirqs_on+0x30/0x310
[  591.315581]  ? vprintk_default+0x28/0x30
[  591.319646]  ? trace_hardirqs_off_caller+0x310/0x310
[  591.324757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  591.330322]  vprintk_emit+0x391/0x990
[  591.334133]  ? wake_up_klogd+0x180/0x180
[  591.338203]  ? find_held_lock+0x31/0x1c0
[  591.342274]  ? mark_held_locks+0xc7/0x130
[  591.346424]  ? _raw_spin_unlock_irq+0x27/0x80
[  591.350920]  ? _raw_spin_unlock_irq+0x27/0x80
[  591.355422]  vprintk_default+0x28/0x30
[  591.359316]  vprintk_func+0x7e/0x181
[  591.363038]  printk+0xa7/0xcf
[  591.366146]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  591.370904]  ? _raw_spin_unlock_irq+0x60/0x80
[  591.375414]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  591.380707]  dump_header+0x7cc/0xf72
[  591.384426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  591.389971]  ? check_preemption_disabled+0x48/0x280
[  591.394994]  ? pagefault_out_of_memory+0x197/0x197
[  591.399924]  ? debug_smp_processor_id+0x1c/0x20
[  591.404595]  ? perf_trace_lock+0x14d/0x7a0
[  591.408836]  ? mark_held_locks+0x130/0x130
[  591.413076]  ? lock_is_held_type+0x210/0x210
[  591.417493]  ? debug_smp_processor_id+0x1c/0x20
[  591.422176]  ? zap_class+0x640/0x640
[  591.425897]  ? lock_is_held_type+0x210/0x210
[  591.430307]  ? perf_trace_lock+0x14d/0x7a0
[  591.434562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  591.440108]  ? find_held_lock+0x36/0x1c0
[  591.444183]  ? mark_held_locks+0xc7/0x130
[  591.448337]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  591.453442]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  591.458560]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  591.463148]  ? trace_hardirqs_on+0xbd/0x310
[  591.467474]  ? kasan_check_read+0x11/0x20
[  591.471627]  ? ___ratelimit+0x3b4/0x672
[  591.475607]  ? trace_hardirqs_off_caller+0x310/0x310
[  591.480712]  ? trace_hardirqs_on+0x310/0x310
[  591.485156]  ? lock_downgrade+0x900/0x900
[  591.489314]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  591.494420]  ? ___ratelimit+0x3b9/0x672
[  591.498404]  ? idr_get_free+0xf70/0xf70
[  591.502380]  ? lock_is_held_type+0x210/0x210
[  591.506798]  oom_kill_process.cold.27+0x10/0x903
[  591.511567]  ? zap_class+0x640/0x640
[  591.515288]  ? _raw_spin_unlock+0x2c/0x50
[  591.519434]  ? oom_badness+0xe6/0xaa0
[  591.523243]  ? oom_evaluate_task+0x540/0x540
[  591.527659]  ? find_held_lock+0x36/0x1c0
[  591.531731]  ? out_of_memory+0x974/0x1430
[  591.535882]  ? lock_downgrade+0x900/0x900
[  591.540032]  ? check_preemption_disabled+0x48/0x280
[  591.545054]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  591.549985]  ? kasan_check_read+0x11/0x20
[  591.554135]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  591.559413]  ? rcu_softirq_qs+0x20/0x20
[  591.563394]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  591.568412]  ? oom_evaluate_task+0x302/0x540
[  591.572829]  out_of_memory+0xa84/0x1430
[  591.576817]  ? oom_killer_disable+0x3a0/0x3a0
[  591.581329]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  591.586270]  ? __ww_mutex_check_waiters+0x160/0x160
[  591.591300]  __alloc_pages_slowpath+0x232c/0x2de0
[  591.596179]  ? warn_alloc+0x120/0x120
[  591.599979]  ? mark_held_locks+0x130/0x130
[  591.604223]  ? find_get_entry+0xaae/0x1120
[  591.608481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  591.614025]  ? check_preemption_disabled+0x48/0x280
[  591.619039]  ? filemap_map_pages+0x1a20/0x1a20
[  591.623667]  ? debug_smp_processor_id+0x1c/0x20
[  591.628336]  ? perf_trace_lock+0x14d/0x7a0
[  591.632584]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  591.638128]  ? should_fail+0x22d/0xd01
[  591.642021]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  591.647129]  ? zap_class+0x640/0x640
[  591.650900]  ? __lock_is_held+0xb5/0x140
[  591.654970]  ? mark_held_locks+0x130/0x130
[  591.659265]  ? lock_release+0xa00/0xa00
[  591.663257]  ? perf_trace_sched_process_exec+0x860/0x860
[  591.668708]  ? xa_load+0x2ba/0x460
[  591.672256]  ? lock_downgrade+0x900/0x900
[  591.676416]  ? __might_sleep+0x95/0x190
[  591.680412]  __alloc_pages_nodemask+0xad8/0xea0
[  591.685105]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  591.690155]  ? __page_cache_alloc+0x191/0x5c0
[  591.694656]  ? xa_load+0x2e1/0x460
[  591.698205]  ? xa_clear_mark+0x40/0x40
[  591.702095]  ? zap_class+0x640/0x640
[  591.705823]  ? zap_class+0x640/0x640
[  591.709555]  ? zap_class+0x640/0x640
[  591.713275]  ? __do_page_cache_readahead+0x663/0x810
[  591.718399]  ? find_held_lock+0x36/0x1c0
[  591.722467]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  591.728044]  alloc_pages_current+0x173/0x350
[  591.732460]  __page_cache_alloc+0x38c/0x5c0
[  591.736784]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  591.741715]  ? kasan_check_read+0x11/0x20
[  591.745863]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  591.751157]  ? generic_perform_write+0x6a0/0x6a0
[  591.755952]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  591.761495]  ? check_preemption_disabled+0x48/0x280
[  591.766548]  filemap_fault+0x1595/0x25f0
[  591.770661]  ? __lock_page_or_retry+0xa00/0xa00
[  591.775335]  ? mark_held_locks+0x130/0x130
[  591.779597]  ? filemap_map_pages+0xd6b/0x1a20
[  591.784112]  ? lock_downgrade+0x900/0x900
[  591.788273]  ? check_preemption_disabled+0x48/0x280
[  591.793293]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  591.798224]  ? kasan_check_read+0x11/0x20
[  591.802376]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  591.807652]  ? rcu_softirq_qs+0x20/0x20
[  591.811643]  ? filemap_map_pages+0xd92/0x1a20
[  591.816155]  ? find_get_entries_tag+0x1400/0x1400
[  591.820999]  ? debug_object_destroy+0x2b0/0x2b0
[  591.825687]  ? lock_pi_update_atomic+0x150/0x150
[  591.830443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  591.836007]  ? lock_acquire+0x1ed/0x520
[  591.839978]  ? ext4_filemap_fault+0x7a/0xad
[  591.844355]  ? lock_release+0xa00/0xa00
[  591.848361]  ? perf_trace_sched_process_exec+0x860/0x860
[  591.853813]  ? print_usage_bug+0xc0/0xc0
[  591.857876]  ? print_usage_bug+0xc0/0xc0
[  591.861952]  ? down_read+0x8d/0x120
[  591.865586]  ? ext4_filemap_fault+0x7a/0xad
[  591.869915]  ? __down_interruptible+0x700/0x700
[  591.874597]  ext4_filemap_fault+0x82/0xad
[  591.878748]  __do_fault+0x100/0x6b0
[  591.882381]  ? pmd_devmap_trans_unstable+0x220/0x220
[  591.887486]  ? mark_held_locks+0x130/0x130
[  591.891722]  ? mark_held_locks+0x130/0x130
[  591.895961]  ? debug_smp_processor_id+0x1c/0x20
[  591.900643]  ? perf_trace_lock+0x14d/0x7a0
[  591.904893]  ? lock_downgrade+0x900/0x900
[  591.909068]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  591.914616]  __handle_mm_fault+0x3ea0/0x5be0
[  591.919038]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  591.923881]  ? lock_is_held_type+0x210/0x210
[  591.928305]  ? file_remove_privs+0x540/0x540
[  591.932710]  ? file_remove_privs+0x540/0x540
[  591.937140]  ? zap_class+0x640/0x640
[  591.940869]  ? zap_class+0x640/0x640
[  591.944581]  ? __x64_sys_futex+0x53e/0x6a0
[  591.948821]  ? find_held_lock+0x36/0x1c0
[  591.952894]  ? handle_mm_fault+0x42a/0xc70
[  591.957131]  ? lock_downgrade+0x900/0x900
[  591.961281]  ? check_preemption_disabled+0x48/0x280
[  591.966321]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  591.971251]  ? kasan_check_read+0x11/0x20
[  591.975401]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  591.980681]  ? rcu_softirq_qs+0x20/0x20
[  591.984661]  ? trace_hardirqs_off_caller+0x310/0x310
[  591.989766]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  591.995308]  ? check_preemption_disabled+0x48/0x280
[  592.000333]  handle_mm_fault+0x54f/0xc70
[  592.004403]  ? __handle_mm_fault+0x5be0/0x5be0
[  592.008991]  ? find_vma+0x34/0x190
[  592.012553]  __do_page_fault+0x5e8/0xe60
[  592.016620]  ? trace_hardirqs_off+0xb8/0x310
[  592.021042]  do_page_fault+0xf2/0x7e0
[  592.024847]  ? vmalloc_sync_all+0x30/0x30
[  592.029019]  ? error_entry+0x70/0xd0
[  592.032737]  ? trace_hardirqs_off_caller+0xbb/0x310
[  592.037752]  ? trace_hardirqs_on_caller+0xc0/0x310
[  592.042701]  ? syscall_return_slowpath+0x5e0/0x5e0
[  592.047631]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  592.052475]  ? trace_hardirqs_on_caller+0x310/0x310
[  592.057493]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  592.062968]  ? prepare_exit_to_usermode+0x291/0x3b0
[  592.067999]  ? page_fault+0x8/0x30
[  592.071562]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  592.076411]  ? page_fault+0x8/0x30
[  592.079957]  page_fault+0x1e/0x30
[  592.083423] RIP: 0033:0x45ddf3
[  592.086625] Code: Bad RIP value.
[  592.089989] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  592.095356] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  592.102628] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  592.109897] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  592.117171] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  592.124441] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  592.131759] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  592.131765] warn_alloc_show_mem: 1 callbacks suppressed
[  592.131772] Mem-Info:
[  592.139131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  592.144496] active_anon:147110 inactive_anon:190 isolated_anon:0
[  592.144496]  active_file:13 inactive_file:13 isolated_file:2
[  592.144496]  unevictable:1 dirty:0 writeback:0 unstable:0
[  592.144496]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  592.144496]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  592.144496]  free:13705 free_pcp:247 free_cma:0
[  592.146870] Call Trace:
[  592.156267] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  592.189284]  <IRQ>
[  592.191852] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  592.219350]  dump_stack+0x244/0x39d
[  592.221475] lowmem_reserve[]: 0 2818 6321 6321
[  592.247583]  ? dump_stack_print_info.cold.1+0x20/0x20
[  592.251185] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  592.255776]  warn_alloc.cold.116+0xb7/0x1bd
[  592.260931] lowmem_reserve[]: 0 0 3503 3503
[  592.288602]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  592.292935] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  592.297255]  ? lock_downgrade+0x900/0x900
[  592.302074] lowmem_reserve[]: 0 0 0 0
[  592.330961]  ? trace_hardirqs_off+0xb8/0x310
[  592.335080] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  592.338876]  ? trace_hardirqs_off+0xb8/0x310
[  592.343256] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  592.356783]  __alloc_pages_slowpath+0x2651/0x2de0
[  592.361174] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  592.376280]  ? warn_alloc+0x120/0x120
[  592.381094] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  592.395659]  ? print_usage_bug+0xc0/0xc0
[  592.399438] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  592.408259]  ? warn_alloc+0x120/0x120
[  592.412298] 274 total pagecache pages
[  592.420864]  ? warn_alloc+0x120/0x120
[  592.424649] 0 pages in swap cache
[  592.428450]  ? print_usage_bug+0xc0/0xc0
[  592.432255] Swap cache stats: add 0, delete 0, find 0/0
[  592.435699]  ? kvm_clock_read+0x18/0x30
[  592.439735] Free swap  = 0kB
[  592.445119]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  592.449082] Total swap = 0kB
[  592.452096]  ? print_usage_bug+0xc0/0xc0
[  592.457087] 1965979 pages RAM
[  592.460097]  ? __lock_acquire+0x62f/0x4c20
[  592.464134] 0 pages HighMem/MovableOnly
[  592.467233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  592.471440] 342854 pages reserved
[  592.475412]  ? should_fail+0x22d/0xd01
[  592.480922] 0 pages cma reserved
[  592.484370]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  592.488298] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  592.491610]  ? __lock_acquire+0x62f/0x4c20
[  592.496779] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  592.503175]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  592.507386] syz-fuzzer cpuset=/ mems_allowed=0
[  592.517607]  ? __lock_acquire+0x62f/0x4c20
[  592.531478]  ? should_fail+0x22d/0xd01
[  592.535384]  ? mark_held_locks+0x130/0x130
[  592.539631]  ? mark_held_locks+0x130/0x130
[  592.543866]  ? perf_trace_lock+0x14d/0x7a0
[  592.548103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  592.553648]  ? check_preemption_disabled+0x48/0x280
[  592.558669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  592.564211]  ? check_preemption_disabled+0x48/0x280
[  592.569231]  ? zap_class+0x640/0x640
[  592.572969]  ? debug_smp_processor_id+0x1c/0x20
[  592.577671]  ? perf_trace_lock+0x14d/0x7a0
[  592.581908]  ? check_preemption_disabled+0x48/0x280
[  592.586936]  ? lock_is_held_type+0x210/0x210
[  592.591351]  ? __lock_is_held+0xb5/0x140
[  592.595425]  __alloc_pages_nodemask+0xad8/0xea0
[  592.600097]  ? zap_class+0x640/0x640
[  592.603819]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  592.608851]  ? find_held_lock+0x36/0x1c0
[  592.612942]  ? ____cache_alloc_node+0x1c7/0x1e0
[  592.617616]  ? lock_downgrade+0x900/0x900
[  592.621778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  592.627332]  cache_grow_begin+0xa5/0x8c0
[  592.631396]  ? do_raw_spin_unlock+0xa7/0x330
[  592.635817]  fallback_alloc+0x204/0x2e0
[  592.639804]  ____cache_alloc_node+0x1c7/0x1e0
[  592.644311]  kmem_cache_alloc_node+0xe3/0x730
[  592.648811]  ? ipv6_get_ifaddr+0x42e/0x620
[  592.653067]  __alloc_skb+0x119/0x770
[  592.656780]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  592.662067]  ? netdev_alloc_frag+0x1f0/0x1f0
[  592.666477]  ? lock_downgrade+0x900/0x900
[  592.670683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  592.676225]  ? refcount_sub_and_test_checked+0x203/0x310
[  592.681683]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  592.687135]  ? addrconf_rs_timer+0x690/0x690
[  592.691565]  ndisc_alloc_skb+0x144/0x340
[  592.695639]  ndisc_send_rs+0x331/0x6e0
[  592.699545]  addrconf_rs_timer+0x314/0x690
[  592.703789]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  592.708048]  call_timer_fn+0x272/0x920
[  592.711943]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  592.716179]  ? process_timeout+0x40/0x40
[  592.720251]  ? __run_timers+0x7da/0xc70
[  592.724232]  ? _raw_spin_unlock_irq+0x27/0x80
[  592.728728]  ? _raw_spin_unlock_irq+0x27/0x80
[  592.733219]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  592.737458]  ? lockdep_hardirqs_on+0x296/0x5b0
[  592.742048]  ? trace_hardirqs_on+0xbd/0x310
[  592.746373]  ? kasan_check_read+0x11/0x20
[  592.750523]  ? __run_timers+0x7da/0xc70
[  592.754520]  ? trace_hardirqs_off_caller+0x310/0x310
[  592.759681]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  592.763915]  __run_timers+0x7e5/0xc70
[  592.767731]  ? timer_fixup_init+0x70/0x70
[  592.771881]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  592.776903]  ? zap_class+0x640/0x640
[  592.780624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  592.786163]  ? check_preemption_disabled+0x48/0x280
[  592.791191]  ? debug_smp_processor_id+0x1c/0x20
[  592.795865]  ? perf_trace_lock+0x14d/0x7a0
[  592.800106]  ? find_held_lock+0x36/0x1c0
[  592.804174]  ? zap_class+0x640/0x640
[  592.807896]  ? pvclock_read_flags+0x160/0x160
[  592.812399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  592.817941]  ? check_preemption_disabled+0x48/0x280
[  592.822972]  ? __lock_is_held+0xb5/0x140
[  592.827038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  592.832595]  ? check_preemption_disabled+0x48/0x280
[  592.837625]  run_timer_softirq+0x52/0xb0
[  592.841690]  ? rcu_read_lock_sched_held+0x14f/0x180
[  592.846711]  __do_softirq+0x308/0xb7e
[  592.850579]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  592.855128]  ? lock_downgrade+0x900/0x900
[  592.859308]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  592.864421]  ? pvclock_read_flags+0x160/0x160
[  592.868920]  ? lapic_next_event+0x5a/0x90
[  592.873075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  592.878625]  ? kvm_clock_read+0x18/0x30
[  592.882607]  ? kvm_sched_clock_read+0x9/0x20
[  592.887019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  592.892566]  ? check_preemption_disabled+0x48/0x280
[  592.897610]  irq_exit+0x17f/0x1c0
[  592.901070]  smp_apic_timer_interrupt+0x1cb/0x760
[  592.905915]  ? smp_reschedule_interrupt+0x109/0x650
[  592.910948]  ? smp_call_function_single_interrupt+0x650/0x650
[  592.916847]  ? interrupt_entry+0xb5/0xc0
[  592.920912]  ? trace_hardirqs_off_caller+0xbb/0x310
[  592.925933]  ? trace_hardirqs_off_caller+0xbb/0x310
[  592.930950]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  592.935794]  ? trace_hardirqs_on_caller+0x310/0x310
[  592.940812]  ? trace_hardirqs_on_caller+0x310/0x310
[  592.945832]  ? task_prio+0x50/0x50
[  592.949374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  592.954916]  ? check_preemption_disabled+0x48/0x280
[  592.959941]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  592.964798]  apic_timer_interrupt+0xf/0x20
[  592.969066]  </IRQ>
[  592.971304] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  592.976236] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  592.995138] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  593.002848] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  593.010313] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  593.017581] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  593.024852] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  593.032122] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  593.039435]  skb_clone+0x1bb/0x500
[  593.043010]  ? skb_split+0x11e0/0x11e0
[  593.046931]  ? debug_smp_processor_id+0x1c/0x20
[  593.051605]  ? perf_trace_lock+0x14d/0x7a0
[  593.055838]  ? __switch_to_asm+0x34/0x70
[  593.059896]  ? __switch_to_asm+0x40/0x70
[  593.063961]  ? __switch_to_asm+0x40/0x70
[  593.068029]  ? __switch_to_asm+0x34/0x70
[  593.072133]  bpf_clone_redirect+0xb9/0x490
[  593.076380]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  593.081314]  ? __sched_text_start+0x8/0x8
[  593.085480]  ? find_held_lock+0x36/0x1c0
[  593.089591]  ? lock_acquire+0x1ed/0x520
[  593.093576]  ? bpf_test_run+0x3cb/0x780
[  593.097565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  593.103151]  ? check_preemption_disabled+0x48/0x280
[  593.108180]  ? kasan_check_read+0x11/0x20
[  593.112329]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  593.117613]  ? rcu_softirq_qs+0x20/0x20
[  593.121603]  ? preempt_schedule+0x4d/0x60
[  593.125759]  ? ___preempt_schedule+0x16/0x18
[  593.130181]  ? bpf_test_run+0x25d/0x780
[  593.134170]  ? netlink_diag_dump+0x2a0/0x2a0
[  593.138589]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  593.144589]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  593.149359]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  593.154205]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  593.159742]  ? fput+0x130/0x1a0
[  593.163030]  ? __bpf_prog_get+0x9b/0x290
[  593.167115]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  593.171962]  ? bpf_prog_test_run+0x130/0x1a0
[  593.176377]  ? __x64_sys_bpf+0x3d8/0x520
[  593.180439]  ? bpf_prog_get+0x20/0x20
[  593.184307]  ? do_syscall_64+0x1b9/0x820
[  593.188370]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  593.193741]  ? syscall_return_slowpath+0x5e0/0x5e0
[  593.198671]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  593.203519]  ? trace_hardirqs_on_caller+0x310/0x310
[  593.208572]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  593.213599]  ? prepare_exit_to_usermode+0x291/0x3b0
[  593.218629]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  593.223486]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  593.228886] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  593.228993] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  593.235899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  593.235905] Call Trace:
[  593.235912]  <IRQ>
[  593.235946]  dump_stack+0x244/0x39d
[  593.235966]  ? dump_stack_print_info.cold.1+0x20/0x20
[  593.242493] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  593.251795]  warn_alloc.cold.116+0xb7/0x1bd
[  593.254348] syz-executor4 cpuset=syz4 mems_allowed=0
[  593.256495]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  593.289966]  ? lock_downgrade+0x900/0x900
[  593.294175]  ? trace_hardirqs_off+0xb8/0x310
[  593.298625]  ? trace_hardirqs_off+0xb8/0x310
[  593.303044]  __alloc_pages_slowpath+0x2651/0x2de0
[  593.307922]  ? warn_alloc+0x120/0x120
[  593.311727]  ? print_usage_bug+0xc0/0xc0
[  593.315792]  ? warn_alloc+0x120/0x120
[  593.319605]  ? warn_alloc+0x120/0x120
[  593.323408]  ? print_usage_bug+0xc0/0xc0
[  593.327485]  ? kvm_clock_read+0x18/0x30
[  593.331459]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  593.336493]  ? print_usage_bug+0xc0/0xc0
[  593.340573]  ? __lock_acquire+0x62f/0x4c20
[  593.344830]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  593.350371]  ? should_fail+0x22d/0xd01
[  593.354261]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  593.359569]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  593.364691]  ? __lock_acquire+0x62f/0x4c20
[  593.368931]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  593.374036]  ? __lock_acquire+0x62f/0x4c20
[  593.378290]  ? should_fail+0x22d/0xd01
[  593.382177]  ? rcu_irq_exit+0x1a2/0x390
[  593.386165]  ? mark_held_locks+0x130/0x130
[  593.390407]  ? mark_held_locks+0x130/0x130
[  593.394645]  ? perf_trace_lock+0x14d/0x7a0
[  593.398886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  593.404443]  ? check_preemption_disabled+0x48/0x280
[  593.409487]  ? zap_class+0x640/0x640
[  593.413225]  ? debug_smp_processor_id+0x1c/0x20
[  593.417907]  ? perf_trace_lock+0x14d/0x7a0
[  593.422159]  ? check_preemption_disabled+0x48/0x280
[  593.427223]  ? lock_is_held_type+0x210/0x210
[  593.431645]  ? __lock_is_held+0xb5/0x140
[  593.435718]  __alloc_pages_nodemask+0xad8/0xea0
[  593.440389]  ? zap_class+0x640/0x640
[  593.444110]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  593.449143]  ? find_held_lock+0x36/0x1c0
[  593.453233]  ? ____cache_alloc_node+0x1c7/0x1e0
[  593.457923]  ? lock_downgrade+0x900/0x900
[  593.462085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  593.467635]  cache_grow_begin+0xa5/0x8c0
[  593.471703]  ? do_raw_spin_unlock+0xa7/0x330
[  593.476124]  fallback_alloc+0x204/0x2e0
[  593.480124]  ____cache_alloc_node+0x1c7/0x1e0
[  593.484646]  kmem_cache_alloc_node+0xe3/0x730
[  593.489158]  ? ipv6_get_ifaddr+0x42e/0x620
[  593.493404]  __alloc_skb+0x119/0x770
[  593.497115]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  593.502409]  ? netdev_alloc_frag+0x1f0/0x1f0
[  593.506832]  ? lock_downgrade+0x900/0x900
[  593.510989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  593.516525]  ? refcount_sub_and_test_checked+0x203/0x310
[  593.522016]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  593.527470]  ? addrconf_rs_timer+0x690/0x690
[  593.531893]  ndisc_alloc_skb+0x144/0x340
[  593.535961]  ndisc_send_rs+0x331/0x6e0
[  593.539856]  addrconf_rs_timer+0x314/0x690
[  593.544113]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  593.548364]  call_timer_fn+0x272/0x920
[  593.552257]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  593.556493]  ? process_timeout+0x40/0x40
[  593.560582]  ? mark_held_locks+0xc7/0x130
[  593.564737]  ? _raw_spin_unlock_irq+0x27/0x80
[  593.569231]  ? _raw_spin_unlock_irq+0x27/0x80
[  593.573730]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  593.577969]  ? lockdep_hardirqs_on+0x296/0x5b0
[  593.582570]  ? trace_hardirqs_on+0xbd/0x310
[  593.586895]  ? kasan_check_read+0x11/0x20
[  593.591043]  ? __run_timers+0x7da/0xc70
[  593.595030]  ? trace_hardirqs_off_caller+0x310/0x310
[  593.600142]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  593.604433]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  593.608669]  __run_timers+0x7e5/0xc70
[  593.612496]  ? timer_fixup_init+0x70/0x70
[  593.616657]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  593.621688]  ? zap_class+0x640/0x640
[  593.625407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  593.630959]  ? print_usage_bug+0xc0/0xc0
[  593.635027]  ? debug_smp_processor_id+0x1c/0x20
[  593.639712]  ? perf_trace_lock+0x14d/0x7a0
[  593.643958]  ? find_held_lock+0x36/0x1c0
[  593.648039]  ? zap_class+0x640/0x640
[  593.651848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  593.657403]  ? check_preemption_disabled+0x48/0x280
[  593.662445]  ? __lock_is_held+0xb5/0x140
[  593.666509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  593.672065]  ? check_preemption_disabled+0x48/0x280
[  593.677105]  run_timer_softirq+0x52/0xb0
[  593.681167]  ? rcu_read_lock_sched_held+0x14f/0x180
[  593.686185]  __do_softirq+0x308/0xb7e
[  593.690006]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  593.694500]  ? lock_downgrade+0x900/0x900
[  593.698669]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  593.703788]  ? pvclock_read_flags+0x160/0x160
[  593.708288]  ? lapic_next_event+0x5a/0x90
[  593.712443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  593.717989]  ? kvm_clock_read+0x18/0x30
[  593.721966]  ? kvm_sched_clock_read+0x9/0x20
[  593.726380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  593.731919]  ? check_preemption_disabled+0x48/0x280
[  593.736947]  irq_exit+0x17f/0x1c0
[  593.740412]  smp_apic_timer_interrupt+0x1cb/0x760
[  593.745252]  ? smp_reschedule_interrupt+0x109/0x650
[  593.750270]  ? smp_call_function_single_interrupt+0x650/0x650
[  593.756160]  ? interrupt_entry+0xb5/0xc0
[  593.760225]  ? trace_hardirqs_off_caller+0xbb/0x310
[  593.765261]  ? trace_hardirqs_off_caller+0xbb/0x310
[  593.770286]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  593.775143]  ? trace_hardirqs_on_caller+0x310/0x310
[  593.780158]  ? trace_hardirqs_on_caller+0x310/0x310
[  593.785174]  ? task_prio+0x50/0x50
[  593.788733]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  593.794271]  ? check_preemption_disabled+0x48/0x280
[  593.799295]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  593.804150]  apic_timer_interrupt+0xf/0x20
[  593.808379]  </IRQ>
[  593.810621] RIP: 0010:console_unlock+0x102f/0x1190
[  593.815582] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  593.834483] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  593.842215] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  593.849480] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  593.856748] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  593.864017] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  593.871282] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  593.878566]  ? netconsole_netdev_event+0x280/0x280
[  593.883511]  ? console_unlock+0x1026/0x1190
[  593.887865]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  593.892538]  ? vprintk_emit+0x846/0x990
[  593.896525]  ? lock_release+0xa00/0xa00
[  593.900523]  ? trace_hardirqs_on+0x30/0x310
[  593.904863]  ? vprintk_default+0x28/0x30
[  593.908926]  ? trace_hardirqs_off_caller+0x310/0x310
[  593.914043]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  593.919603]  vprintk_emit+0x391/0x990
[  593.923429]  ? wake_up_klogd+0x180/0x180
[  593.927513]  ? find_held_lock+0x31/0x1c0
[  593.931599]  ? mark_held_locks+0xc7/0x130
[  593.935758]  ? _raw_spin_unlock_irq+0x27/0x80
[  593.940256]  ? _raw_spin_unlock_irq+0x27/0x80
[  593.944758]  vprintk_default+0x28/0x30
[  593.948654]  vprintk_func+0x7e/0x181
[  593.952370]  printk+0xa7/0xcf
[  593.955476]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  593.960242]  ? _raw_spin_unlock_irq+0x60/0x80
[  593.964754]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  593.970045]  dump_header+0x7cc/0xf72
[  593.973767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  593.979327]  ? check_preemption_disabled+0x48/0x280
[  593.984353]  ? pagefault_out_of_memory+0x197/0x197
[  593.989283]  ? debug_smp_processor_id+0x1c/0x20
[  593.993954]  ? perf_trace_lock+0x14d/0x7a0
[  593.998196]  ? mark_held_locks+0x130/0x130
[  594.002436]  ? lock_is_held_type+0x210/0x210
[  594.006859]  ? debug_smp_processor_id+0x1c/0x20
[  594.012049]  ? zap_class+0x640/0x640
[  594.015770]  ? lock_is_held_type+0x210/0x210
[  594.020177]  ? perf_trace_lock+0x14d/0x7a0
[  594.024418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  594.029977]  ? find_held_lock+0x36/0x1c0
[  594.034065]  ? mark_held_locks+0xc7/0x130
[  594.038233]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  594.043335]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  594.048458]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  594.053045]  ? trace_hardirqs_on+0xbd/0x310
[  594.057372]  ? kasan_check_read+0x11/0x20
[  594.061520]  ? ___ratelimit+0x3b4/0x672
[  594.065513]  ? trace_hardirqs_off_caller+0x310/0x310
[  594.070633]  ? trace_hardirqs_on+0x310/0x310
[  594.075080]  ? lock_downgrade+0x900/0x900
[  594.079234]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  594.084343]  ? ___ratelimit+0x3b9/0x672
[  594.088320]  ? idr_get_free+0xf70/0xf70
[  594.092300]  ? lock_is_held_type+0x210/0x210
[  594.096724]  oom_kill_process.cold.27+0x10/0x903
[  594.101483]  ? zap_class+0x640/0x640
[  594.105198]  ? _raw_spin_unlock+0x2c/0x50
[  594.109347]  ? oom_badness+0xe6/0xaa0
[  594.113170]  ? oom_evaluate_task+0x540/0x540
[  594.117586]  ? find_held_lock+0x36/0x1c0
[  594.121660]  ? out_of_memory+0x974/0x1430
[  594.125814]  ? lock_downgrade+0x900/0x900
[  594.129968]  ? check_preemption_disabled+0x48/0x280
[  594.134989]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  594.139921]  ? kasan_check_read+0x11/0x20
[  594.144072]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  594.149350]  ? rcu_softirq_qs+0x20/0x20
[  594.153331]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  594.158343]  ? oom_evaluate_task+0x302/0x540
[  594.162756]  out_of_memory+0xa84/0x1430
[  594.166755]  ? oom_killer_disable+0x3a0/0x3a0
[  594.171302]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  594.176236]  ? __ww_mutex_check_waiters+0x160/0x160
[  594.181265]  __alloc_pages_slowpath+0x232c/0x2de0
[  594.186161]  ? warn_alloc+0x120/0x120
[  594.190005]  ? mark_held_locks+0x130/0x130
[  594.194253]  ? find_get_entry+0xaae/0x1120
[  594.198512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  594.204061]  ? check_preemption_disabled+0x48/0x280
[  594.209090]  ? filemap_map_pages+0x1a20/0x1a20
[  594.213680]  ? debug_smp_processor_id+0x1c/0x20
[  594.218361]  ? perf_trace_lock+0x14d/0x7a0
[  594.222610]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  594.228166]  ? should_fail+0x22d/0xd01
[  594.232076]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  594.237186]  ? zap_class+0x640/0x640
[  594.240935]  ? __lock_is_held+0xb5/0x140
[  594.245019]  ? mark_held_locks+0x130/0x130
[  594.249286]  ? lock_release+0xa00/0xa00
[  594.253264]  ? perf_trace_sched_process_exec+0x860/0x860
[  594.258722]  ? xa_load+0x2ba/0x460
[  594.262263]  ? lock_downgrade+0x900/0x900
[  594.266422]  ? __might_sleep+0x95/0x190
[  594.270404]  __alloc_pages_nodemask+0xad8/0xea0
[  594.275082]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  594.280102]  ? __page_cache_alloc+0x191/0x5c0
[  594.284609]  ? xa_load+0x2e1/0x460
[  594.288152]  ? xa_clear_mark+0x40/0x40
[  594.292043]  ? zap_class+0x640/0x640
[  594.295770]  ? zap_class+0x640/0x640
[  594.299503]  ? zap_class+0x640/0x640
[  594.303243]  ? __do_page_cache_readahead+0x663/0x810
[  594.308367]  ? find_held_lock+0x36/0x1c0
[  594.312448]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  594.318023]  alloc_pages_current+0x173/0x350
[  594.322450]  __page_cache_alloc+0x38c/0x5c0
[  594.326770]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  594.331700]  ? kasan_check_read+0x11/0x20
[  594.335848]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  594.341127]  ? generic_perform_write+0x6a0/0x6a0
[  594.345939]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  594.351476]  ? check_preemption_disabled+0x48/0x280
[  594.356508]  filemap_fault+0x1595/0x25f0
[  594.360632]  ? __lock_page_or_retry+0xa00/0xa00
[  594.365305]  ? mark_held_locks+0x130/0x130
[  594.369582]  ? filemap_map_pages+0xd6b/0x1a20
[  594.374081]  ? lock_downgrade+0x900/0x900
[  594.378226]  ? check_preemption_disabled+0x48/0x280
[  594.383254]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  594.388180]  ? kasan_check_read+0x11/0x20
[  594.392327]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  594.397607]  ? rcu_softirq_qs+0x20/0x20
[  594.401601]  ? filemap_map_pages+0xd92/0x1a20
[  594.406123]  ? find_get_entries_tag+0x1400/0x1400
[  594.410992]  ? debug_object_destroy+0x2b0/0x2b0
[  594.415665]  ? lock_pi_update_atomic+0x150/0x150
[  594.420422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  594.425974]  ? lock_acquire+0x1ed/0x520
[  594.429967]  ? ext4_filemap_fault+0x7a/0xad
[  594.434295]  ? lock_release+0xa00/0xa00
[  594.438282]  ? perf_trace_sched_process_exec+0x860/0x860
[  594.443732]  ? print_usage_bug+0xc0/0xc0
[  594.447813]  ? print_usage_bug+0xc0/0xc0
[  594.451891]  ? down_read+0x8d/0x120
[  594.455539]  ? ext4_filemap_fault+0x7a/0xad
[  594.459869]  ? __down_interruptible+0x700/0x700
[  594.464560]  ext4_filemap_fault+0x82/0xad
[  594.468718]  __do_fault+0x100/0x6b0
[  594.472353]  ? pmd_devmap_trans_unstable+0x220/0x220
[  594.477460]  ? mark_held_locks+0x130/0x130
[  594.481698]  ? mark_held_locks+0x130/0x130
[  594.485945]  ? debug_smp_processor_id+0x1c/0x20
[  594.490618]  ? perf_trace_lock+0x14d/0x7a0
[  594.494850]  ? lock_downgrade+0x900/0x900
[  594.499002]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  594.504573]  __handle_mm_fault+0x3ea0/0x5be0
[  594.509016]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  594.513867]  ? lock_is_held_type+0x210/0x210
[  594.518282]  ? file_remove_privs+0x540/0x540
[  594.522707]  ? file_remove_privs+0x540/0x540
[  594.527152]  ? zap_class+0x640/0x640
[  594.530882]  ? zap_class+0x640/0x640
[  594.534596]  ? __x64_sys_futex+0x53e/0x6a0
[  594.538842]  ? find_held_lock+0x36/0x1c0
[  594.542914]  ? handle_mm_fault+0x42a/0xc70
[  594.547182]  ? lock_downgrade+0x900/0x900
[  594.551332]  ? check_preemption_disabled+0x48/0x280
[  594.556368]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  594.561299]  ? kasan_check_read+0x11/0x20
[  594.565448]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  594.570727]  ? rcu_softirq_qs+0x20/0x20
[  594.574701]  ? trace_hardirqs_off_caller+0x310/0x310
[  594.579806]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  594.585349]  ? check_preemption_disabled+0x48/0x280
[  594.590391]  handle_mm_fault+0x54f/0xc70
[  594.594463]  ? __handle_mm_fault+0x5be0/0x5be0
[  594.599051]  ? find_vma+0x34/0x190
[  594.602616]  __do_page_fault+0x5e8/0xe60
[  594.606687]  ? trace_hardirqs_off+0xb8/0x310
[  594.611107]  do_page_fault+0xf2/0x7e0
[  594.614930]  ? vmalloc_sync_all+0x30/0x30
[  594.619090]  ? error_entry+0x70/0xd0
[  594.622838]  ? trace_hardirqs_off_caller+0xbb/0x310
[  594.627855]  ? trace_hardirqs_on_caller+0xc0/0x310
[  594.632788]  ? syscall_return_slowpath+0x5e0/0x5e0
[  594.637735]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  594.642577]  ? trace_hardirqs_on_caller+0x310/0x310
[  594.647594]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  594.653054]  ? prepare_exit_to_usermode+0x291/0x3b0
[  594.658072]  ? page_fault+0x8/0x30
[  594.661620]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  594.666465]  ? page_fault+0x8/0x30
[  594.670005]  page_fault+0x1e/0x30
[  594.673460] RIP: 0033:0x45ddf3
[  594.676662] Code: Bad RIP value.
[  594.680022] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  594.685380] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  594.692647] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  594.699914] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  594.707181] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  594.714452] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  594.721749] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  594.721763] warn_alloc_show_mem: 1 callbacks suppressed
[  594.721768] Mem-Info:
[  594.729114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  594.734484] active_anon:147110 inactive_anon:190 isolated_anon:0
[  594.734484]  active_file:13 inactive_file:13 isolated_file:2
[  594.734484]  unevictable:1 dirty:0 writeback:0 unstable:0
[  594.734484]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  594.734484]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  594.734484]  free:13705 free_pcp:247 free_cma:0
[  594.736856] Call Trace:
[  594.746262] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  594.779282]  <IRQ>
[  594.781868] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  594.809380]  dump_stack+0x244/0x39d
[  594.811504] lowmem_reserve[]: 0 2818 6321 6321
[  594.837616]  ? dump_stack_print_info.cold.1+0x20/0x20
[  594.841222] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  594.845808]  warn_alloc.cold.116+0xb7/0x1bd
[  594.850966] lowmem_reserve[]: 0 0 3503 3503
[  594.878641]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  594.882938] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  594.887256]  ? lock_downgrade+0x900/0x900
[  594.892071] lowmem_reserve[]: 0 0 0 0
[  594.920960]  ? trace_hardirqs_off+0xb8/0x310
[  594.925080] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  594.928988]  ? trace_hardirqs_off+0xb8/0x310
[  594.933367] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  594.946901]  __alloc_pages_slowpath+0x2651/0x2de0
[  594.951277] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  594.966387]  ? warn_alloc+0x120/0x120
[  594.971202] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  594.985774]  ? print_usage_bug+0xc0/0xc0
[  594.989563] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  594.998385]  ? warn_alloc+0x120/0x120
[  595.002424] 274 total pagecache pages
[  595.011184]  ? debug_smp_processor_id+0x1c/0x20
[  595.014984] 0 pages in swap cache
[  595.018767]  ? warn_alloc+0x120/0x120
[  595.023415] Swap cache stats: add 0, delete 0, find 0/0
[  595.026859]  ? print_usage_bug+0xc0/0xc0
[  595.030635] Free swap  = 0kB
[  595.036012]  ? print_usage_bug+0xc0/0xc0
[  595.040054] Total swap = 0kB
[  595.043066]  ? __lock_acquire+0x62f/0x4c20
[  595.047101] 1965979 pages RAM
[  595.050117]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  595.054323] 0 pages HighMem/MovableOnly
[  595.057426]  ? should_fail+0x22d/0xd01
[  595.062940] 342854 pages reserved
[  595.066908]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  595.070774] 0 pages cma reserved
[  595.074223]  ? __lock_acquire+0x62f/0x4c20
[  595.079362] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  595.082662]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  595.086993] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  595.093361]  ? __lock_acquire+0x62f/0x4c20
[  595.098451] syz-fuzzer cpuset=/ mems_allowed=0
[  595.108683]  ? should_fail+0x22d/0xd01
[  595.121353]  ? find_held_lock+0x36/0x1c0
[  595.125429]  ? mark_held_locks+0x130/0x130
[  595.129677]  ? mark_held_locks+0x130/0x130
[  595.133914]  ? perf_trace_lock+0x14d/0x7a0
[  595.138151]  ? zap_class+0x640/0x640
[  595.141886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  595.147426]  ? check_preemption_disabled+0x48/0x280
[  595.152440]  ? zap_class+0x640/0x640
[  595.156194]  ? debug_smp_processor_id+0x1c/0x20
[  595.160868]  ? perf_trace_lock+0x14d/0x7a0
[  595.165106]  ? check_preemption_disabled+0x48/0x280
[  595.170172]  ? lock_is_held_type+0x210/0x210
[  595.174598]  ? __lock_is_held+0xb5/0x140
[  595.178682]  __alloc_pages_nodemask+0xad8/0xea0
[  595.183356]  ? zap_class+0x640/0x640
[  595.187085]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  595.192119]  ? find_held_lock+0x36/0x1c0
[  595.196208]  ? ____cache_alloc_node+0x1c7/0x1e0
[  595.200891]  ? lock_downgrade+0x900/0x900
[  595.205084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  595.210628]  cache_grow_begin+0xa5/0x8c0
[  595.214694]  ? do_raw_spin_unlock+0xa7/0x330
[  595.219112]  fallback_alloc+0x204/0x2e0
[  595.223100]  ____cache_alloc_node+0x1c7/0x1e0
[  595.227619]  kmem_cache_alloc_node+0xe3/0x730
[  595.232130]  ? ipv6_get_ifaddr+0x42e/0x620
[  595.236468]  __alloc_skb+0x119/0x770
[  595.240180]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  595.245466]  ? netdev_alloc_frag+0x1f0/0x1f0
[  595.249879]  ? lock_downgrade+0x900/0x900
[  595.254064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  595.259608]  ? refcount_sub_and_test_checked+0x203/0x310
[  595.265081]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  595.270545]  ? addrconf_rs_timer+0x690/0x690
[  595.274971]  ndisc_alloc_skb+0x144/0x340
[  595.279046]  ndisc_send_rs+0x331/0x6e0
[  595.282941]  addrconf_rs_timer+0x314/0x690
[  595.287216]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  595.291466]  call_timer_fn+0x272/0x920
[  595.295353]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  595.299591]  ? process_timeout+0x40/0x40
[  595.303661]  ? __run_timers+0x7da/0xc70
[  595.307640]  ? _raw_spin_unlock_irq+0x27/0x80
[  595.312139]  ? _raw_spin_unlock_irq+0x27/0x80
[  595.316635]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  595.320872]  ? lockdep_hardirqs_on+0x296/0x5b0
[  595.325462]  ? trace_hardirqs_on+0xbd/0x310
[  595.329786]  ? kasan_check_read+0x11/0x20
[  595.333932]  ? __run_timers+0x7da/0xc70
[  595.337914]  ? trace_hardirqs_off_caller+0x310/0x310
[  595.343047]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  595.347303]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  595.351544]  __run_timers+0x7e5/0xc70
[  595.355360]  ? timer_fixup_init+0x70/0x70
[  595.359518]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  595.364570]  ? zap_class+0x640/0x640
[  595.368332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  595.373873]  ? check_preemption_disabled+0x48/0x280
[  595.378901]  ? debug_smp_processor_id+0x1c/0x20
[  595.383586]  ? perf_trace_lock+0x14d/0x7a0
[  595.387833]  ? find_held_lock+0x36/0x1c0
[  595.391902]  ? zap_class+0x640/0x640
[  595.395665]  ? pvclock_read_flags+0x160/0x160
[  595.400168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  595.405721]  ? check_preemption_disabled+0x48/0x280
[  595.410753]  ? __lock_is_held+0xb5/0x140
[  595.414822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  595.420359]  ? check_preemption_disabled+0x48/0x280
[  595.425383]  run_timer_softirq+0x52/0xb0
[  595.429448]  ? rcu_read_lock_sched_held+0x14f/0x180
[  595.434466]  __do_softirq+0x308/0xb7e
[  595.438272]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  595.442814]  ? lock_downgrade+0x900/0x900
[  595.446972]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  595.452087]  ? pvclock_read_flags+0x160/0x160
[  595.456604]  ? lapic_next_event+0x5a/0x90
[  595.460759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  595.466305]  ? kvm_clock_read+0x18/0x30
[  595.470285]  ? kvm_sched_clock_read+0x9/0x20
[  595.474698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  595.480237]  ? check_preemption_disabled+0x48/0x280
[  595.485267]  irq_exit+0x17f/0x1c0
[  595.488725]  smp_apic_timer_interrupt+0x1cb/0x760
[  595.493571]  ? smp_reschedule_interrupt+0x109/0x650
[  595.498593]  ? smp_call_function_single_interrupt+0x650/0x650
[  595.504492]  ? interrupt_entry+0xb5/0xc0
[  595.508568]  ? trace_hardirqs_off_caller+0xbb/0x310
[  595.513590]  ? trace_hardirqs_off_caller+0xbb/0x310
[  595.518629]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  595.523483]  ? trace_hardirqs_on_caller+0x310/0x310
[  595.528503]  ? trace_hardirqs_on_caller+0x310/0x310
[  595.533549]  ? task_prio+0x50/0x50
[  595.537140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  595.542681]  ? check_preemption_disabled+0x48/0x280
[  595.547735]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  595.552598]  apic_timer_interrupt+0xf/0x20
[  595.556843]  </IRQ>
[  595.559082] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  595.564014] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  595.582930] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  595.590639] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  595.597908] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  595.605173] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  595.612440] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  595.619726] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  595.627046]  skb_clone+0x1bb/0x500
[  595.630591]  ? skb_split+0x11e0/0x11e0
[  595.634505]  ? debug_smp_processor_id+0x1c/0x20
[  595.639187]  ? perf_trace_lock+0x14d/0x7a0
[  595.643418]  ? __switch_to_asm+0x34/0x70
[  595.647478]  ? __switch_to_asm+0x40/0x70
[  595.651546]  ? __switch_to_asm+0x40/0x70
[  595.655616]  ? __switch_to_asm+0x34/0x70
[  595.659686]  bpf_clone_redirect+0xb9/0x490
[  595.663947]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  595.668894]  ? __sched_text_start+0x8/0x8
[  595.673062]  ? find_held_lock+0x36/0x1c0
[  595.677133]  ? lock_acquire+0x1ed/0x520
[  595.681114]  ? bpf_test_run+0x3cb/0x780
[  595.685090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  595.690632]  ? check_preemption_disabled+0x48/0x280
[  595.695655]  ? kasan_check_read+0x11/0x20
[  595.699808]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  595.705088]  ? rcu_softirq_qs+0x20/0x20
[  595.709071]  ? preempt_schedule+0x4d/0x60
[  595.713224]  ? ___preempt_schedule+0x16/0x18
[  595.717647]  ? bpf_test_run+0x25d/0x780
[  595.721638]  ? netlink_diag_dump+0x2a0/0x2a0
[  595.726070]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  595.731621]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  595.736392]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  595.741237]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  595.746777]  ? fput+0x130/0x1a0
[  595.750068]  ? __bpf_prog_get+0x9b/0x290
[  595.754152]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  595.758999]  ? bpf_prog_test_run+0x130/0x1a0
[  595.763412]  ? __x64_sys_bpf+0x3d8/0x520
[  595.767483]  ? bpf_prog_get+0x20/0x20
[  595.771307]  ? do_syscall_64+0x1b9/0x820
[  595.775367]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  595.780737]  ? syscall_return_slowpath+0x5e0/0x5e0
[  595.785668]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  595.790538]  ? trace_hardirqs_on_caller+0x310/0x310
[  595.795570]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  595.800628]  ? prepare_exit_to_usermode+0x291/0x3b0
[  595.805659]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  595.810514]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  595.815911] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  595.815985] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  595.822924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  595.822933] Call Trace:
[  595.829509] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  595.838758]  <IRQ>
[  595.841339] syz-executor4 cpuset=syz4 mems_allowed=0
[  595.851824]  dump_stack+0x244/0x39d
[  595.862661]  ? dump_stack_print_info.cold.1+0x20/0x20
[  595.867867]  warn_alloc.cold.116+0xb7/0x1bd
[  595.872194]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  595.877045]  ? lock_downgrade+0x900/0x900
[  595.881207]  ? trace_hardirqs_off+0xb8/0x310
[  595.885627]  ? trace_hardirqs_off+0xb8/0x310
[  595.890049]  __alloc_pages_slowpath+0x2651/0x2de0
[  595.894928]  ? warn_alloc+0x120/0x120
[  595.898737]  ? print_usage_bug+0xc0/0xc0
[  595.902801]  ? warn_alloc+0x120/0x120
[  595.906610]  ? warn_alloc+0x120/0x120
[  595.910414]  ? print_usage_bug+0xc0/0xc0
[  595.914476]  ? kvm_clock_read+0x18/0x30
[  595.918466]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  595.923488]  ? print_usage_bug+0xc0/0xc0
[  595.927565]  ? __lock_acquire+0x62f/0x4c20
[  595.931815]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  595.937355]  ? should_fail+0x22d/0xd01
[  595.941250]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  595.946553]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  595.951660]  ? __lock_acquire+0x62f/0x4c20
[  595.955905]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  595.961015]  ? __lock_acquire+0x62f/0x4c20
[  595.965250]  ? should_fail+0x22d/0xd01
[  595.969140]  ? rcu_irq_exit+0x1a2/0x390
[  595.973128]  ? mark_held_locks+0x130/0x130
[  595.977371]  ? mark_held_locks+0x130/0x130
[  595.981614]  ? perf_trace_lock+0x14d/0x7a0
[  595.985856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  595.991400]  ? check_preemption_disabled+0x48/0x280
[  595.996417]  ? zap_class+0x640/0x640
[  596.000140]  ? debug_smp_processor_id+0x1c/0x20
[  596.004811]  ? perf_trace_lock+0x14d/0x7a0
[  596.009045]  ? check_preemption_disabled+0x48/0x280
[  596.014073]  ? lock_is_held_type+0x210/0x210
[  596.018484]  ? __lock_is_held+0xb5/0x140
[  596.022569]  __alloc_pages_nodemask+0xad8/0xea0
[  596.027245]  ? zap_class+0x640/0x640
[  596.030968]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  596.035999]  ? find_held_lock+0x36/0x1c0
[  596.040075]  ? ____cache_alloc_node+0x1c7/0x1e0
[  596.044748]  ? lock_downgrade+0x900/0x900
[  596.048910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  596.054454]  cache_grow_begin+0xa5/0x8c0
[  596.058517]  ? do_raw_spin_unlock+0xa7/0x330
[  596.062959]  fallback_alloc+0x204/0x2e0
[  596.066945]  ____cache_alloc_node+0x1c7/0x1e0
[  596.071447]  kmem_cache_alloc_node+0xe3/0x730
[  596.075948]  ? ipv6_get_ifaddr+0x42e/0x620
[  596.080197]  __alloc_skb+0x119/0x770
[  596.083914]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  596.089200]  ? netdev_alloc_frag+0x1f0/0x1f0
[  596.093616]  ? lock_downgrade+0x900/0x900
[  596.097774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  596.103315]  ? refcount_sub_and_test_checked+0x203/0x310
[  596.108774]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  596.114228]  ? addrconf_rs_timer+0x690/0x690
[  596.118653]  ndisc_alloc_skb+0x144/0x340
[  596.122726]  ndisc_send_rs+0x331/0x6e0
[  596.126640]  addrconf_rs_timer+0x314/0x690
[  596.130883]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  596.135143]  call_timer_fn+0x272/0x920
[  596.139051]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  596.143315]  ? process_timeout+0x40/0x40
[  596.147390]  ? mark_held_locks+0xc7/0x130
[  596.151557]  ? _raw_spin_unlock_irq+0x27/0x80
[  596.156082]  ? _raw_spin_unlock_irq+0x27/0x80
[  596.160580]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  596.164817]  ? lockdep_hardirqs_on+0x296/0x5b0
[  596.169401]  ? trace_hardirqs_on+0xbd/0x310
[  596.173721]  ? kasan_check_read+0x11/0x20
[  596.177871]  ? __run_timers+0x7da/0xc70
[  596.181847]  ? trace_hardirqs_off_caller+0x310/0x310
[  596.186965]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  596.191218]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  596.195455]  __run_timers+0x7e5/0xc70
[  596.199266]  ? timer_fixup_init+0x70/0x70
[  596.203418]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  596.208434]  ? zap_class+0x640/0x640
[  596.212157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  596.217702]  ? print_usage_bug+0xc0/0xc0
[  596.221769]  ? debug_smp_processor_id+0x1c/0x20
[  596.226439]  ? perf_trace_lock+0x14d/0x7a0
[  596.230680]  ? find_held_lock+0x36/0x1c0
[  596.234769]  ? zap_class+0x640/0x640
[  596.238493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  596.244036]  ? check_preemption_disabled+0x48/0x280
[  596.249063]  ? __lock_is_held+0xb5/0x140
[  596.253127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  596.258666]  ? check_preemption_disabled+0x48/0x280
[  596.263688]  run_timer_softirq+0x52/0xb0
[  596.267753]  ? rcu_read_lock_sched_held+0x14f/0x180
[  596.272772]  __do_softirq+0x308/0xb7e
[  596.276584]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  596.281093]  ? lock_downgrade+0x900/0x900
[  596.285258]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  596.290373]  ? pvclock_read_flags+0x160/0x160
[  596.294889]  ? lapic_next_event+0x5a/0x90
[  596.299042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  596.304607]  ? kvm_clock_read+0x18/0x30
[  596.308584]  ? kvm_sched_clock_read+0x9/0x20
[  596.313018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  596.318600]  ? check_preemption_disabled+0x48/0x280
[  596.323648]  irq_exit+0x17f/0x1c0
[  596.327104]  smp_apic_timer_interrupt+0x1cb/0x760
[  596.331949]  ? smp_reschedule_interrupt+0x109/0x650
[  596.336969]  ? smp_call_function_single_interrupt+0x650/0x650
[  596.342888]  ? interrupt_entry+0xb5/0xc0
[  596.346955]  ? trace_hardirqs_off_caller+0xbb/0x310
[  596.351970]  ? trace_hardirqs_off_caller+0xbb/0x310
[  596.356988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  596.361836]  ? trace_hardirqs_on_caller+0x310/0x310
[  596.366852]  ? trace_hardirqs_on_caller+0x310/0x310
[  596.371873]  ? task_prio+0x50/0x50
[  596.375419]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  596.380965]  ? check_preemption_disabled+0x48/0x280
[  596.386050]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  596.390900]  apic_timer_interrupt+0xf/0x20
[  596.395129]  </IRQ>
[  596.397372] RIP: 0010:console_unlock+0x102f/0x1190
[  596.402324] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  596.421221] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  596.428945] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  596.436216] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  596.443483] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  596.450765] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  596.458049] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  596.465360]  ? netconsole_netdev_event+0x280/0x280
[  596.470296]  ? console_unlock+0x1026/0x1190
[  596.474641]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  596.479315]  ? vprintk_emit+0x846/0x990
[  596.483295]  ? lock_release+0xa00/0xa00
[  596.487277]  ? trace_hardirqs_on+0x30/0x310
[  596.491603]  ? vprintk_default+0x28/0x30
[  596.495667]  ? trace_hardirqs_off_caller+0x310/0x310
[  596.500782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  596.506328]  vprintk_emit+0x391/0x990
[  596.510141]  ? wake_up_klogd+0x180/0x180
[  596.514214]  ? find_held_lock+0x31/0x1c0
[  596.518291]  ? mark_held_locks+0xc7/0x130
[  596.522443]  ? _raw_spin_unlock_irq+0x27/0x80
[  596.526941]  ? _raw_spin_unlock_irq+0x27/0x80
[  596.531443]  vprintk_default+0x28/0x30
[  596.535337]  vprintk_func+0x7e/0x181
[  596.539056]  printk+0xa7/0xcf
[  596.542165]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  596.546924]  ? _raw_spin_unlock_irq+0x60/0x80
[  596.551454]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  596.556742]  dump_header+0x7cc/0xf72
[  596.560463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  596.566029]  ? check_preemption_disabled+0x48/0x280
[  596.571059]  ? pagefault_out_of_memory+0x197/0x197
[  596.576019]  ? debug_smp_processor_id+0x1c/0x20
[  596.580688]  ? perf_trace_lock+0x14d/0x7a0
[  596.584925]  ? mark_held_locks+0x130/0x130
[  596.589167]  ? lock_is_held_type+0x210/0x210
[  596.593588]  ? debug_smp_processor_id+0x1c/0x20
[  596.598260]  ? zap_class+0x640/0x640
[  596.601979]  ? lock_is_held_type+0x210/0x210
[  596.606393]  ? perf_trace_lock+0x14d/0x7a0
[  596.610636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  596.616183]  ? find_held_lock+0x36/0x1c0
[  596.620257]  ? mark_held_locks+0xc7/0x130
[  596.624412]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  596.629515]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  596.634635]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  596.639221]  ? trace_hardirqs_on+0xbd/0x310
[  596.643570]  ? kasan_check_read+0x11/0x20
[  596.647723]  ? ___ratelimit+0x3b4/0x672
[  596.651700]  ? trace_hardirqs_off_caller+0x310/0x310
[  596.656804]  ? trace_hardirqs_on+0x310/0x310
[  596.661216]  ? lock_downgrade+0x900/0x900
[  596.665372]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  596.670480]  ? ___ratelimit+0x3b9/0x672
[  596.674488]  ? idr_get_free+0xf70/0xf70
[  596.678467]  ? lock_is_held_type+0x210/0x210
[  596.682918]  oom_kill_process.cold.27+0x10/0x903
[  596.687720]  ? zap_class+0x640/0x640
[  596.691440]  ? _raw_spin_unlock+0x2c/0x50
[  596.695603]  ? oom_badness+0xe6/0xaa0
[  596.699425]  ? oom_evaluate_task+0x540/0x540
[  596.703840]  ? find_held_lock+0x36/0x1c0
[  596.707914]  ? out_of_memory+0x974/0x1430
[  596.712069]  ? lock_downgrade+0x900/0x900
[  596.716221]  ? check_preemption_disabled+0x48/0x280
[  596.721246]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  596.726176]  ? kasan_check_read+0x11/0x20
[  596.730322]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  596.735624]  ? rcu_softirq_qs+0x20/0x20
[  596.739605]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  596.744621]  ? oom_evaluate_task+0x302/0x540
[  596.749042]  out_of_memory+0xa84/0x1430
[  596.753045]  ? oom_killer_disable+0x3a0/0x3a0
[  596.757559]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  596.762498]  ? __ww_mutex_check_waiters+0x160/0x160
[  596.767564]  __alloc_pages_slowpath+0x232c/0x2de0
[  596.772448]  ? warn_alloc+0x120/0x120
[  596.776253]  ? mark_held_locks+0x130/0x130
[  596.780495]  ? find_get_entry+0xaae/0x1120
[  596.784740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  596.790283]  ? check_preemption_disabled+0x48/0x280
[  596.795301]  ? filemap_map_pages+0x1a20/0x1a20
[  596.799890]  ? debug_smp_processor_id+0x1c/0x20
[  596.804577]  ? perf_trace_lock+0x14d/0x7a0
[  596.808825]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  596.814365]  ? should_fail+0x22d/0xd01
[  596.818259]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  596.823366]  ? zap_class+0x640/0x640
[  596.827145]  ? __lock_is_held+0xb5/0x140
[  596.831232]  ? mark_held_locks+0x130/0x130
[  596.835478]  ? lock_release+0xa00/0xa00
[  596.839454]  ? perf_trace_sched_process_exec+0x860/0x860
[  596.844907]  ? xa_load+0x2ba/0x460
[  596.848455]  ? lock_downgrade+0x900/0x900
[  596.852612]  ? __might_sleep+0x95/0x190
[  596.856594]  __alloc_pages_nodemask+0xad8/0xea0
[  596.861288]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  596.866324]  ? __page_cache_alloc+0x191/0x5c0
[  596.870833]  ? xa_load+0x2e1/0x460
[  596.874376]  ? xa_clear_mark+0x40/0x40
[  596.878266]  ? zap_class+0x640/0x640
[  596.881994]  ? zap_class+0x640/0x640
[  596.885712]  ? zap_class+0x640/0x640
[  596.889429]  ? __do_page_cache_readahead+0x663/0x810
[  596.894568]  ? find_held_lock+0x36/0x1c0
[  596.898636]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  596.904187]  alloc_pages_current+0x173/0x350
[  596.908611]  __page_cache_alloc+0x38c/0x5c0
[  596.912934]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  596.917867]  ? kasan_check_read+0x11/0x20
[  596.922018]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  596.927302]  ? generic_perform_write+0x6a0/0x6a0
[  596.932066]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  596.937618]  ? check_preemption_disabled+0x48/0x280
[  596.942649]  filemap_fault+0x1595/0x25f0
[  596.946726]  ? __lock_page_or_retry+0xa00/0xa00
[  596.951398]  ? mark_held_locks+0x130/0x130
[  596.955650]  ? filemap_map_pages+0xd6b/0x1a20
[  596.960153]  ? lock_downgrade+0x900/0x900
[  596.964303]  ? check_preemption_disabled+0x48/0x280
[  596.969328]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  596.974258]  ? kasan_check_read+0x11/0x20
[  596.978411]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  596.983688]  ? rcu_softirq_qs+0x20/0x20
[  596.987677]  ? filemap_map_pages+0xd92/0x1a20
[  596.992189]  ? find_get_entries_tag+0x1400/0x1400
[  596.997035]  ? debug_object_destroy+0x2b0/0x2b0
[  597.001709]  ? lock_pi_update_atomic+0x150/0x150
[  597.006465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  597.012496]  ? lock_acquire+0x1ed/0x520
[  597.016480]  ? ext4_filemap_fault+0x7a/0xad
[  597.020815]  ? lock_release+0xa00/0xa00
[  597.024789]  ? perf_trace_sched_process_exec+0x860/0x860
[  597.030243]  ? print_usage_bug+0xc0/0xc0
[  597.034311]  ? print_usage_bug+0xc0/0xc0
[  597.038386]  ? down_read+0x8d/0x120
[  597.042011]  ? ext4_filemap_fault+0x7a/0xad
[  597.046337]  ? __down_interruptible+0x700/0x700
[  597.051018]  ext4_filemap_fault+0x82/0xad
[  597.055171]  __do_fault+0x100/0x6b0
[  597.058804]  ? pmd_devmap_trans_unstable+0x220/0x220
[  597.063917]  ? mark_held_locks+0x130/0x130
[  597.068157]  ? mark_held_locks+0x130/0x130
[  597.072400]  ? debug_smp_processor_id+0x1c/0x20
[  597.077070]  ? perf_trace_lock+0x14d/0x7a0
[  597.081306]  ? lock_downgrade+0x900/0x900
[  597.085464]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  597.091012]  __handle_mm_fault+0x3ea0/0x5be0
[  597.095435]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  597.100284]  ? lock_is_held_type+0x210/0x210
[  597.104698]  ? file_remove_privs+0x540/0x540
[  597.109107]  ? file_remove_privs+0x540/0x540
[  597.113540]  ? zap_class+0x640/0x640
[  597.117265]  ? zap_class+0x640/0x640
[  597.120979]  ? __x64_sys_futex+0x53e/0x6a0
[  597.125220]  ? find_held_lock+0x36/0x1c0
[  597.129295]  ? handle_mm_fault+0x42a/0xc70
[  597.133541]  ? lock_downgrade+0x900/0x900
[  597.138586]  ? check_preemption_disabled+0x48/0x280
[  597.143764]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  597.148695]  ? kasan_check_read+0x11/0x20
[  597.152843]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  597.158123]  ? rcu_softirq_qs+0x20/0x20
[  597.162105]  ? trace_hardirqs_off_caller+0x310/0x310
[  597.167214]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  597.172757]  ? check_preemption_disabled+0x48/0x280
[  597.177786]  handle_mm_fault+0x54f/0xc70
[  597.181853]  ? __handle_mm_fault+0x5be0/0x5be0
[  597.186446]  ? find_vma+0x34/0x190
[  597.189995]  __do_page_fault+0x5e8/0xe60
[  597.194054]  ? trace_hardirqs_off+0xb8/0x310
[  597.198482]  do_page_fault+0xf2/0x7e0
[  597.202284]  ? vmalloc_sync_all+0x30/0x30
[  597.206434]  ? error_entry+0x70/0xd0
[  597.210149]  ? trace_hardirqs_off_caller+0xbb/0x310
[  597.215164]  ? trace_hardirqs_on_caller+0xc0/0x310
[  597.220100]  ? syscall_return_slowpath+0x5e0/0x5e0
[  597.225032]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  597.229884]  ? trace_hardirqs_on_caller+0x310/0x310
[  597.234902]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  597.240361]  ? prepare_exit_to_usermode+0x291/0x3b0
[  597.245380]  ? page_fault+0x8/0x30
[  597.248924]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  597.253772]  ? page_fault+0x8/0x30
[  597.257315]  page_fault+0x1e/0x30
[  597.260769] RIP: 0033:0x45ddf3
[  597.263973] Code: Bad RIP value.
[  597.267340] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  597.272706] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  597.279972] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  597.287240] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  597.294518] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  597.301799] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  597.309097] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  597.309104] warn_alloc_show_mem: 1 callbacks suppressed
[  597.309114] Mem-Info:
[  597.316471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  597.321836] active_anon:147110 inactive_anon:190 isolated_anon:0
[  597.321836]  active_file:13 inactive_file:13 isolated_file:2
[  597.321836]  unevictable:1 dirty:0 writeback:0 unstable:0
[  597.321836]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  597.321836]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  597.321836]  free:13705 free_pcp:247 free_cma:0
[  597.324214] Call Trace:
[  597.333610] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  597.366633]  <IRQ>
[  597.369209] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  597.396707]  dump_stack+0x244/0x39d
[  597.398850] lowmem_reserve[]: 0 2818 6321 6321
[  597.424957]  ? dump_stack_print_info.cold.1+0x20/0x20
[  597.428563] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  597.433154]  warn_alloc.cold.116+0xb7/0x1bd
[  597.438355] lowmem_reserve[]: 0 0 3503 3503
[  597.466035]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  597.470375] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  597.474704]  ? lock_downgrade+0x900/0x900
[  597.479524] lowmem_reserve[]: 0 0 0 0
[  597.508420]  ? trace_hardirqs_off+0xb8/0x310
[  597.512549] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  597.516343]  ? trace_hardirqs_off+0xb8/0x310
[  597.520724] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  597.534250]  __alloc_pages_slowpath+0x2651/0x2de0
[  597.538633] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  597.553738]  ? warn_alloc+0x120/0x120
[  597.558550] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  597.573272]  ? print_usage_bug+0xc0/0xc0
[  597.577052] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  597.577061] 274 total pagecache pages
[  597.585893]  ? warn_alloc+0x120/0x120
[  597.589939] 0 pages in swap cache
[  597.598500]  ? warn_alloc+0x120/0x120
[  597.602277] Swap cache stats: add 0, delete 0, find 0/0
[  597.606073]  ? print_usage_bug+0xc0/0xc0
[  597.609505] Free swap  = 0kB
[  597.613301]  ? kvm_clock_read+0x18/0x30
[  597.618638] Total swap = 0kB
[  597.622692]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  597.625685] 1965979 pages RAM
[  597.629655]  ? print_usage_bug+0xc0/0xc0
[  597.632652] 0 pages HighMem/MovableOnly
[  597.637663]  ? __lock_acquire+0x62f/0x4c20
[  597.640744] 342854 pages reserved
[  597.644802]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  597.648750] 0 pages cma reserved
[  597.652983]  ? should_fail+0x22d/0xd01
[  597.656474] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  597.661942]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  597.661961]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  597.665366] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  597.669183]  ? __lock_acquire+0x62f/0x4c20
[  597.675657] syz-fuzzer cpuset=/ mems_allowed=0
[  597.680927]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  597.710103]  ? __lock_acquire+0x62f/0x4c20
[  597.714337]  ? should_fail+0x22d/0xd01
[  597.718223]  ? rcu_irq_exit+0x1a2/0x390
[  597.722223]  ? mark_held_locks+0x130/0x130
[  597.726485]  ? mark_held_locks+0x130/0x130
[  597.730732]  ? perf_trace_lock+0x14d/0x7a0
[  597.734984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  597.740559]  ? check_preemption_disabled+0x48/0x280
[  597.745593]  ? zap_class+0x640/0x640
[  597.749313]  ? debug_smp_processor_id+0x1c/0x20
[  597.753987]  ? perf_trace_lock+0x14d/0x7a0
[  597.758222]  ? check_preemption_disabled+0x48/0x280
[  597.763263]  ? lock_is_held_type+0x210/0x210
[  597.767717]  ? __lock_is_held+0xb5/0x140
[  597.771817]  __alloc_pages_nodemask+0xad8/0xea0
[  597.776490]  ? zap_class+0x640/0x640
[  597.780210]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  597.785240]  ? find_held_lock+0x36/0x1c0
[  597.789316]  ? ____cache_alloc_node+0x1c7/0x1e0
[  597.794002]  ? lock_downgrade+0x900/0x900
[  597.798200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  597.803779]  cache_grow_begin+0xa5/0x8c0
[  597.807841]  ? do_raw_spin_unlock+0xa7/0x330
[  597.812259]  fallback_alloc+0x204/0x2e0
[  597.816244]  ____cache_alloc_node+0x1c7/0x1e0
[  597.820748]  kmem_cache_alloc_node+0xe3/0x730
[  597.825246]  ? ipv6_get_ifaddr+0x42e/0x620
[  597.829495]  __alloc_skb+0x119/0x770
[  597.833214]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  597.838517]  ? netdev_alloc_frag+0x1f0/0x1f0
[  597.842939]  ? lock_downgrade+0x900/0x900
[  597.847097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  597.852639]  ? refcount_sub_and_test_checked+0x203/0x310
[  597.858096]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  597.863556]  ? addrconf_rs_timer+0x690/0x690
[  597.867986]  ndisc_alloc_skb+0x144/0x340
[  597.872062]  ndisc_send_rs+0x331/0x6e0
[  597.875973]  addrconf_rs_timer+0x314/0x690
[  597.880216]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  597.884470]  call_timer_fn+0x272/0x920
[  597.888357]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  597.892594]  ? process_timeout+0x40/0x40
[  597.896667]  ? __run_timers+0x7da/0xc70
[  597.900645]  ? _raw_spin_unlock_irq+0x27/0x80
[  597.905140]  ? _raw_spin_unlock_irq+0x27/0x80
[  597.909641]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  597.913882]  ? lockdep_hardirqs_on+0x296/0x5b0
[  597.918470]  ? trace_hardirqs_on+0xbd/0x310
[  597.922791]  ? kasan_check_read+0x11/0x20
[  597.926943]  ? __run_timers+0x7da/0xc70
[  597.930919]  ? trace_hardirqs_off_caller+0x310/0x310
[  597.936032]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  597.940293]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  597.944528]  __run_timers+0x7e5/0xc70
[  597.948356]  ? timer_fixup_init+0x70/0x70
[  597.952507]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  597.957540]  ? zap_class+0x640/0x640
[  597.961259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  597.966804]  ? check_preemption_disabled+0x48/0x280
[  597.971829]  ? debug_smp_processor_id+0x1c/0x20
[  597.976499]  ? perf_trace_lock+0x14d/0x7a0
[  597.980748]  ? find_held_lock+0x36/0x1c0
[  597.984821]  ? zap_class+0x640/0x640
[  597.988551]  ? pvclock_read_flags+0x160/0x160
[  597.993062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  597.998606]  ? check_preemption_disabled+0x48/0x280
[  598.003637]  ? __lock_is_held+0xb5/0x140
[  598.007702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.013257]  ? check_preemption_disabled+0x48/0x280
[  598.018283]  run_timer_softirq+0x52/0xb0
[  598.022351]  ? rcu_read_lock_sched_held+0x14f/0x180
[  598.027374]  __do_softirq+0x308/0xb7e
[  598.031183]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  598.035678]  ? lock_downgrade+0x900/0x900
[  598.039834]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  598.044952]  ? pvclock_read_flags+0x160/0x160
[  598.049453]  ? lapic_next_event+0x5a/0x90
[  598.053606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.059155]  ? kvm_clock_read+0x18/0x30
[  598.063130]  ? kvm_sched_clock_read+0x9/0x20
[  598.067551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.073102]  ? check_preemption_disabled+0x48/0x280
[  598.078131]  irq_exit+0x17f/0x1c0
[  598.081599]  smp_apic_timer_interrupt+0x1cb/0x760
[  598.086442]  ? smp_reschedule_interrupt+0x109/0x650
[  598.091464]  ? smp_call_function_single_interrupt+0x650/0x650
[  598.097352]  ? interrupt_entry+0xb5/0xc0
[  598.101417]  ? trace_hardirqs_off_caller+0xbb/0x310
[  598.106433]  ? trace_hardirqs_off_caller+0xbb/0x310
[  598.111455]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  598.116304]  ? trace_hardirqs_on_caller+0x310/0x310
[  598.121325]  ? trace_hardirqs_on_caller+0x310/0x310
[  598.126345]  ? task_prio+0x50/0x50
[  598.129891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.135437]  ? check_preemption_disabled+0x48/0x280
[  598.140466]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  598.145319]  apic_timer_interrupt+0xf/0x20
[  598.149563]  </IRQ>
[  598.151809] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  598.156746] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  598.175647] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  598.183358] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  598.190624] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  598.197895] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  598.205177] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  598.212458] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  598.219772]  skb_clone+0x1bb/0x500
[  598.223317]  ? skb_split+0x11e0/0x11e0
[  598.227213]  ? debug_smp_processor_id+0x1c/0x20
[  598.231897]  ? perf_trace_lock+0x14d/0x7a0
[  598.236136]  ? __switch_to_asm+0x34/0x70
[  598.240200]  ? __switch_to_asm+0x40/0x70
[  598.244262]  ? __switch_to_asm+0x40/0x70
[  598.248323]  ? __switch_to_asm+0x34/0x70
[  598.252399]  bpf_clone_redirect+0xb9/0x490
[  598.256648]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  598.261598]  ? __sched_text_start+0x8/0x8
[  598.265762]  ? find_held_lock+0x36/0x1c0
[  598.269832]  ? lock_acquire+0x1ed/0x520
[  598.273809]  ? bpf_test_run+0x3cb/0x780
[  598.277790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.283333]  ? check_preemption_disabled+0x48/0x280
[  598.288362]  ? kasan_check_read+0x11/0x20
[  598.292516]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  598.297802]  ? rcu_softirq_qs+0x20/0x20
[  598.301787]  ? preempt_schedule+0x4d/0x60
[  598.305943]  ? ___preempt_schedule+0x16/0x18
[  598.310362]  ? bpf_test_run+0x25d/0x780
[  598.314353]  ? netlink_diag_dump+0x2a0/0x2a0
[  598.318769]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  598.324319]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  598.329093]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  598.333936]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  598.339476]  ? fput+0x130/0x1a0
[  598.342765]  ? __bpf_prog_get+0x9b/0x290
[  598.346834]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  598.351682]  ? bpf_prog_test_run+0x130/0x1a0
[  598.356094]  ? __x64_sys_bpf+0x3d8/0x520
[  598.360157]  ? bpf_prog_get+0x20/0x20
[  598.363981]  ? do_syscall_64+0x1b9/0x820
[  598.368051]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  598.373420]  ? syscall_return_slowpath+0x5e0/0x5e0
[  598.378350]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  598.383195]  ? trace_hardirqs_on_caller+0x310/0x310
[  598.388214]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  598.393233]  ? prepare_exit_to_usermode+0x291/0x3b0
[  598.398260]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  598.403128]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  598.408513] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  598.408602] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  598.415553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  598.415559] Call Trace:
[  598.415567]  <IRQ>
[  598.415586]  dump_stack+0x244/0x39d
[  598.415605]  ? dump_stack_print_info.cold.1+0x20/0x20
[  598.422777] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  598.431455]  warn_alloc.cold.116+0xb7/0x1bd
[  598.431473]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  598.434239] syz-executor4 cpuset=syz4 mems_allowed=0
[  598.436415]  ? lock_downgrade+0x900/0x900
[  598.436440]  ? trace_hardirqs_off+0xb8/0x310
[  598.478611]  ? trace_hardirqs_off+0xb8/0x310
[  598.483071]  __alloc_pages_slowpath+0x2651/0x2de0
[  598.487949]  ? warn_alloc+0x120/0x120
[  598.491755]  ? print_usage_bug+0xc0/0xc0
[  598.495824]  ? warn_alloc+0x120/0x120
[  598.499630]  ? debug_smp_processor_id+0x1c/0x20
[  598.504303]  ? warn_alloc+0x120/0x120
[  598.508111]  ? print_usage_bug+0xc0/0xc0
[  598.512178]  ? print_usage_bug+0xc0/0xc0
[  598.516241]  ? __lock_acquire+0x62f/0x4c20
[  598.520487]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  598.526027]  ? should_fail+0x22d/0xd01
[  598.529925]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  598.535029]  ? __lock_acquire+0x62f/0x4c20
[  598.539270]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  598.544372]  ? __lock_acquire+0x62f/0x4c20
[  598.548610]  ? should_fail+0x22d/0xd01
[  598.552503]  ? find_held_lock+0x36/0x1c0
[  598.556592]  ? mark_held_locks+0x130/0x130
[  598.560834]  ? mark_held_locks+0x130/0x130
[  598.565073]  ? perf_trace_lock+0x14d/0x7a0
[  598.569312]  ? zap_class+0x640/0x640
[  598.573035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.578579]  ? check_preemption_disabled+0x48/0x280
[  598.583594]  ? zap_class+0x640/0x640
[  598.587315]  ? debug_smp_processor_id+0x1c/0x20
[  598.591983]  ? perf_trace_lock+0x14d/0x7a0
[  598.596222]  ? check_preemption_disabled+0x48/0x280
[  598.601251]  ? lock_is_held_type+0x210/0x210
[  598.605666]  ? __lock_is_held+0xb5/0x140
[  598.609737]  __alloc_pages_nodemask+0xad8/0xea0
[  598.614409]  ? zap_class+0x640/0x640
[  598.618131]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  598.623167]  ? find_held_lock+0x36/0x1c0
[  598.627241]  ? ____cache_alloc_node+0x1c7/0x1e0
[  598.631915]  ? lock_downgrade+0x900/0x900
[  598.636121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.641666]  cache_grow_begin+0xa5/0x8c0
[  598.645749]  ? do_raw_spin_unlock+0xa7/0x330
[  598.650170]  fallback_alloc+0x204/0x2e0
[  598.654157]  ____cache_alloc_node+0x1c7/0x1e0
[  598.658661]  kmem_cache_alloc_node+0xe3/0x730
[  598.663161]  ? ipv6_get_ifaddr+0x42e/0x620
[  598.667409]  __alloc_skb+0x119/0x770
[  598.671129]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  598.676415]  ? netdev_alloc_frag+0x1f0/0x1f0
[  598.680828]  ? lock_downgrade+0x900/0x900
[  598.684986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.690525]  ? refcount_sub_and_test_checked+0x203/0x310
[  598.696023]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  598.701477]  ? addrconf_rs_timer+0x690/0x690
[  598.705904]  ndisc_alloc_skb+0x144/0x340
[  598.709993]  ndisc_send_rs+0x331/0x6e0
[  598.713890]  addrconf_rs_timer+0x314/0x690
[  598.718139]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  598.722388]  call_timer_fn+0x272/0x920
[  598.726275]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  598.730510]  ? process_timeout+0x40/0x40
[  598.734594]  ? mark_held_locks+0xc7/0x130
[  598.738744]  ? _raw_spin_unlock_irq+0x27/0x80
[  598.743241]  ? _raw_spin_unlock_irq+0x27/0x80
[  598.747738]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  598.751977]  ? lockdep_hardirqs_on+0x296/0x5b0
[  598.756572]  ? trace_hardirqs_on+0xbd/0x310
[  598.760895]  ? kasan_check_read+0x11/0x20
[  598.765045]  ? __run_timers+0x7da/0xc70
[  598.769026]  ? trace_hardirqs_off_caller+0x310/0x310
[  598.774138]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  598.778409]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  598.782646]  __run_timers+0x7e5/0xc70
[  598.786463]  ? timer_fixup_init+0x70/0x70
[  598.790618]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  598.795643]  ? zap_class+0x640/0x640
[  598.799380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.804921]  ? print_usage_bug+0xc0/0xc0
[  598.808996]  ? debug_smp_processor_id+0x1c/0x20
[  598.813670]  ? perf_trace_lock+0x14d/0x7a0
[  598.817912]  ? find_held_lock+0x36/0x1c0
[  598.821995]  ? zap_class+0x640/0x640
[  598.825730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.831272]  ? check_preemption_disabled+0x48/0x280
[  598.836305]  ? __lock_is_held+0xb5/0x140
[  598.840374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.845916]  ? check_preemption_disabled+0x48/0x280
[  598.850943]  run_timer_softirq+0x52/0xb0
[  598.855005]  ? rcu_read_lock_sched_held+0x14f/0x180
[  598.860027]  __do_softirq+0x308/0xb7e
[  598.863834]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  598.868327]  ? lock_downgrade+0x900/0x900
[  598.872485]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  598.877612]  ? pvclock_read_flags+0x160/0x160
[  598.882119]  ? lapic_next_event+0x5a/0x90
[  598.886271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.891822]  ? kvm_clock_read+0x18/0x30
[  598.895800]  ? kvm_sched_clock_read+0x9/0x20
[  598.900217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.905771]  ? check_preemption_disabled+0x48/0x280
[  598.910832]  irq_exit+0x17f/0x1c0
[  598.914304]  smp_apic_timer_interrupt+0x1cb/0x760
[  598.919153]  ? smp_reschedule_interrupt+0x109/0x650
[  598.924172]  ? smp_call_function_single_interrupt+0x650/0x650
[  598.930061]  ? interrupt_entry+0xb5/0xc0
[  598.934132]  ? trace_hardirqs_off_caller+0xbb/0x310
[  598.939152]  ? trace_hardirqs_off_caller+0xbb/0x310
[  598.944171]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  598.949027]  ? trace_hardirqs_on_caller+0x310/0x310
[  598.954043]  ? trace_hardirqs_on_caller+0x310/0x310
[  598.959068]  ? task_prio+0x50/0x50
[  598.962628]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  598.968168]  ? check_preemption_disabled+0x48/0x280
[  598.973196]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  598.978055]  apic_timer_interrupt+0xf/0x20
[  598.982284]  </IRQ>
[  598.984541] RIP: 0010:console_unlock+0x102f/0x1190
[  598.989479] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  599.008378] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  599.016561] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  599.023831] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  599.031097] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  599.038365] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  599.045635] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  599.052917]  ? netconsole_netdev_event+0x280/0x280
[  599.057861]  ? console_unlock+0x1026/0x1190
[  599.062205]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  599.066871]  ? vprintk_emit+0x846/0x990
[  599.070850]  ? lock_release+0xa00/0xa00
[  599.074829]  ? trace_hardirqs_on+0x30/0x310
[  599.079150]  ? vprintk_default+0x28/0x30
[  599.083221]  ? trace_hardirqs_off_caller+0x310/0x310
[  599.088331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  599.093877]  vprintk_emit+0x391/0x990
[  599.097686]  ? wake_up_klogd+0x180/0x180
[  599.101759]  ? find_held_lock+0x31/0x1c0
[  599.105832]  ? mark_held_locks+0xc7/0x130
[  599.109987]  ? _raw_spin_unlock_irq+0x27/0x80
[  599.114486]  ? _raw_spin_unlock_irq+0x27/0x80
[  599.118991]  vprintk_default+0x28/0x30
[  599.122881]  vprintk_func+0x7e/0x181
[  599.126619]  printk+0xa7/0xcf
[  599.129734]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  599.134495]  ? _raw_spin_unlock_irq+0x60/0x80
[  599.139006]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  599.144296]  dump_header+0x7cc/0xf72
[  599.148023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  599.153587]  ? check_preemption_disabled+0x48/0x280
[  599.158608]  ? pagefault_out_of_memory+0x197/0x197
[  599.163549]  ? debug_smp_processor_id+0x1c/0x20
[  599.168225]  ? perf_trace_lock+0x14d/0x7a0
[  599.172489]  ? mark_held_locks+0x130/0x130
[  599.176760]  ? lock_is_held_type+0x210/0x210
[  599.181183]  ? debug_smp_processor_id+0x1c/0x20
[  599.185857]  ? zap_class+0x640/0x640
[  599.189586]  ? lock_is_held_type+0x210/0x210
[  599.193994]  ? perf_trace_lock+0x14d/0x7a0
[  599.198235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  599.203784]  ? find_held_lock+0x36/0x1c0
[  599.207860]  ? mark_held_locks+0xc7/0x130
[  599.212015]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  599.217117]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  599.222227]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  599.226812]  ? trace_hardirqs_on+0xbd/0x310
[  599.231139]  ? kasan_check_read+0x11/0x20
[  599.235287]  ? ___ratelimit+0x3b4/0x672
[  599.239266]  ? trace_hardirqs_off_caller+0x310/0x310
[  599.244373]  ? trace_hardirqs_on+0x310/0x310
[  599.248783]  ? lock_downgrade+0x900/0x900
[  599.252939]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  599.258047]  ? ___ratelimit+0x3b9/0x672
[  599.262025]  ? idr_get_free+0xf70/0xf70
[  599.266005]  ? lock_is_held_type+0x210/0x210
[  599.270427]  oom_kill_process.cold.27+0x10/0x903
[  599.275186]  ? zap_class+0x640/0x640
[  599.278912]  ? _raw_spin_unlock+0x2c/0x50
[  599.283065]  ? oom_badness+0xe6/0xaa0
[  599.286878]  ? oom_evaluate_task+0x540/0x540
[  599.291295]  ? find_held_lock+0x36/0x1c0
[  599.295371]  ? out_of_memory+0x974/0x1430
[  599.299521]  ? lock_downgrade+0x900/0x900
[  599.303687]  ? check_preemption_disabled+0x48/0x280
[  599.308709]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  599.313642]  ? kasan_check_read+0x11/0x20
[  599.317795]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  599.323073]  ? rcu_softirq_qs+0x20/0x20
[  599.327053]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  599.332070]  ? oom_evaluate_task+0x302/0x540
[  599.336485]  out_of_memory+0xa84/0x1430
[  599.340474]  ? oom_killer_disable+0x3a0/0x3a0
[  599.344972]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  599.349908]  ? __ww_mutex_check_waiters+0x160/0x160
[  599.354942]  __alloc_pages_slowpath+0x232c/0x2de0
[  599.359823]  ? warn_alloc+0x120/0x120
[  599.363625]  ? mark_held_locks+0x130/0x130
[  599.367872]  ? find_get_entry+0xaae/0x1120
[  599.372122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  599.377666]  ? check_preemption_disabled+0x48/0x280
[  599.382685]  ? filemap_map_pages+0x1a20/0x1a20
[  599.387275]  ? debug_smp_processor_id+0x1c/0x20
[  599.391949]  ? perf_trace_lock+0x14d/0x7a0
[  599.396199]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  599.401740]  ? should_fail+0x22d/0xd01
[  599.405633]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  599.410742]  ? zap_class+0x640/0x640
[  599.414487]  ? __lock_is_held+0xb5/0x140
[  599.418572]  ? mark_held_locks+0x130/0x130
[  599.422812]  ? lock_release+0xa00/0xa00
[  599.426789]  ? perf_trace_sched_process_exec+0x860/0x860
[  599.432241]  ? xa_load+0x2ba/0x460
[  599.435787]  ? lock_downgrade+0x900/0x900
[  599.439945]  ? __might_sleep+0x95/0x190
[  599.443928]  __alloc_pages_nodemask+0xad8/0xea0
[  599.448610]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  599.453643]  ? __page_cache_alloc+0x191/0x5c0
[  599.458139]  ? xa_load+0x2e1/0x460
[  599.461683]  ? xa_clear_mark+0x40/0x40
[  599.465579]  ? zap_class+0x640/0x640
[  599.469308]  ? zap_class+0x640/0x640
[  599.473027]  ? zap_class+0x640/0x640
[  599.476753]  ? __do_page_cache_readahead+0x663/0x810
[  599.481867]  ? find_held_lock+0x36/0x1c0
[  599.485939]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  599.491484]  alloc_pages_current+0x173/0x350
[  599.495907]  __page_cache_alloc+0x38c/0x5c0
[  599.500227]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  599.505160]  ? kasan_check_read+0x11/0x20
[  599.509308]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  599.514589]  ? generic_perform_write+0x6a0/0x6a0
[  599.519350]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  599.524911]  ? check_preemption_disabled+0x48/0x280
[  599.529944]  filemap_fault+0x1595/0x25f0
[  599.534026]  ? __lock_page_or_retry+0xa00/0xa00
[  599.538702]  ? mark_held_locks+0x130/0x130
[  599.542954]  ? filemap_map_pages+0xd6b/0x1a20
[  599.547455]  ? lock_downgrade+0x900/0x900
[  599.551605]  ? check_preemption_disabled+0x48/0x280
[  599.556647]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  599.561591]  ? kasan_check_read+0x11/0x20
[  599.565741]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  599.571022]  ? rcu_softirq_qs+0x20/0x20
[  599.575023]  ? filemap_map_pages+0xd92/0x1a20
[  599.579550]  ? find_get_entries_tag+0x1400/0x1400
[  599.584430]  ? debug_object_destroy+0x2b0/0x2b0
[  599.589113]  ? lock_pi_update_atomic+0x150/0x150
[  599.593870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  599.599423]  ? lock_acquire+0x1ed/0x520
[  599.603406]  ? ext4_filemap_fault+0x7a/0xad
[  599.607741]  ? lock_release+0xa00/0xa00
[  599.611715]  ? perf_trace_sched_process_exec+0x860/0x860
[  599.617168]  ? print_usage_bug+0xc0/0xc0
[  599.621235]  ? print_usage_bug+0xc0/0xc0
[  599.625310]  ? down_read+0x8d/0x120
[  599.628939]  ? ext4_filemap_fault+0x7a/0xad
[  599.633262]  ? __down_interruptible+0x700/0x700
[  599.637944]  ext4_filemap_fault+0x82/0xad
[  599.642116]  __do_fault+0x100/0x6b0
[  599.645754]  ? pmd_devmap_trans_unstable+0x220/0x220
[  599.650861]  ? mark_held_locks+0x130/0x130
[  599.655100]  ? mark_held_locks+0x130/0x130
[  599.659343]  ? debug_smp_processor_id+0x1c/0x20
[  599.664012]  ? perf_trace_lock+0x14d/0x7a0
[  599.668245]  ? lock_downgrade+0x900/0x900
[  599.672406]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  599.677950]  __handle_mm_fault+0x3ea0/0x5be0
[  599.682370]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  599.687216]  ? lock_is_held_type+0x210/0x210
[  599.691633]  ? file_remove_privs+0x540/0x540
[  599.696045]  ? file_remove_privs+0x540/0x540
[  599.700473]  ? zap_class+0x640/0x640
[  599.704186]  ? zap_class+0x640/0x640
[  599.707902]  ? __x64_sys_futex+0x53e/0x6a0
[  599.712144]  ? find_held_lock+0x36/0x1c0
[  599.716223]  ? handle_mm_fault+0x42a/0xc70
[  599.720460]  ? lock_downgrade+0x900/0x900
[  599.724613]  ? check_preemption_disabled+0x48/0x280
[  599.729638]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  599.734580]  ? kasan_check_read+0x11/0x20
[  599.738734]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  599.744012]  ? rcu_softirq_qs+0x20/0x20
[  599.748002]  ? trace_hardirqs_off_caller+0x310/0x310
[  599.753108]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  599.758651]  ? check_preemption_disabled+0x48/0x280
[  599.763690]  handle_mm_fault+0x54f/0xc70
[  599.767763]  ? __handle_mm_fault+0x5be0/0x5be0
[  599.772354]  ? find_vma+0x34/0x190
[  599.775901]  __do_page_fault+0x5e8/0xe60
[  599.779967]  ? trace_hardirqs_off+0xb8/0x310
[  599.784390]  do_page_fault+0xf2/0x7e0
[  599.788203]  ? vmalloc_sync_all+0x30/0x30
[  599.792360]  ? error_entry+0x70/0xd0
[  599.796086]  ? trace_hardirqs_off_caller+0xbb/0x310
[  599.801104]  ? trace_hardirqs_on_caller+0xc0/0x310
[  599.806046]  ? syscall_return_slowpath+0x5e0/0x5e0
[  599.810990]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  599.815845]  ? trace_hardirqs_on_caller+0x310/0x310
[  599.820865]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  599.826327]  ? prepare_exit_to_usermode+0x291/0x3b0
[  599.831343]  ? page_fault+0x8/0x30
[  599.834890]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  599.839736]  ? page_fault+0x8/0x30
[  599.843280]  page_fault+0x1e/0x30
[  599.846735] RIP: 0033:0x45ddf3
[  599.849942] Code: Bad RIP value.
[  599.853310] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  599.858672] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  599.865941] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  599.873212] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  599.880478] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  599.887746] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  599.895050] warn_alloc_show_mem: 1 callbacks suppressed
[  599.895062] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  599.895065] Mem-Info:
[  599.895096] active_anon:147110 inactive_anon:190 isolated_anon:0
[  599.895096]  active_file:13 inactive_file:13 isolated_file:2
[  599.895096]  unevictable:1 dirty:0 writeback:0 unstable:0
[  599.895096]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  599.895096]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  599.895096]  free:13705 free_pcp:247 free_cma:0
[  599.900441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  599.907806] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  599.910206] Call Trace:
[  599.943253] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  599.952602]  <IRQ>
[  599.980082] lowmem_reserve[]: 0 2818 6321 6321
[  599.982685]  dump_stack+0x244/0x39d
[  600.008769] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  600.010925]  ? dump_stack_print_info.cold.1+0x20/0x20
[  600.015473] lowmem_reserve[]: 0 0 3503 3503
[  600.019106]  warn_alloc.cold.116+0xb7/0x1bd
[  600.046749] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  600.051947]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  600.056238] lowmem_reserve[]: 0 0 0 0
[  600.060569]  ? lock_downgrade+0x900/0x900
[  600.089433] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  600.094282]  ? trace_hardirqs_off+0xb8/0x310
[  600.098056] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  600.102205]  ? trace_hardirqs_off+0xb8/0x310
[  600.115700] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  600.120104]  ? noop_count+0x40/0x40
[  600.135178] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  600.139592]  __alloc_pages_slowpath+0x2651/0x2de0
[  600.154130] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  600.157770]  ? check_usage+0x1aa/0x790
[  600.166569] 274 total pagecache pages
[  600.171406]  ? warn_alloc+0x120/0x120
[  600.179961] 0 pages in swap cache
[  600.183839]  ? warn_alloc+0x120/0x120
[  600.187618] Swap cache stats: add 0, delete 0, find 0/0
[  600.191407]  ? __bfs+0xb0/0x780
[  600.194834] Free swap  = 0kB
[  600.198628]  ? warn_alloc+0x120/0x120
[  600.203982] Total swap = 0kB
[  600.207268]  ? print_usage_bug+0xc0/0xc0
[  600.210266] 1965979 pages RAM
[  600.214072]  ? check_preemption_disabled+0x48/0x280
[  600.217052] 0 pages HighMem/MovableOnly
[  600.217061] 342854 pages reserved
[  600.221123]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  600.224198] 0 pages cma reserved
[  600.229207]  ? should_fail+0x22d/0xd01
[  600.233226] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  600.236601]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  600.236618]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  600.236635]  ? __lock_acquire+0x62f/0x4c20
[  600.242254] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  600.245550]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  600.249425] syz-fuzzer cpuset=/ mems_allowed=0
[  600.255909]  ? should_fail+0x22d/0xd01
[  600.294830]  ? perf_trace_lock+0x14d/0x7a0
[  600.299087]  ? mark_held_locks+0x130/0x130
[  600.303332]  ? mark_held_locks+0x130/0x130
[  600.307591]  ? print_usage_bug+0xc0/0xc0
[  600.311662]  ? find_held_lock+0x36/0x1c0
[  600.315731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  600.321274]  ? check_preemption_disabled+0x48/0x280
[  600.326290]  ? zap_class+0x640/0x640
[  600.330016]  ? debug_smp_processor_id+0x1c/0x20
[  600.334690]  ? perf_trace_lock+0x14d/0x7a0
[  600.338928]  ? check_preemption_disabled+0x48/0x280
[  600.343957]  ? lock_is_held_type+0x210/0x210
[  600.348384]  ? __lock_is_held+0xb5/0x140
[  600.352507]  __alloc_pages_nodemask+0xad8/0xea0
[  600.357188]  ? zap_class+0x640/0x640
[  600.360954]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  600.366003]  ? find_held_lock+0x36/0x1c0
[  600.370099]  ? ____cache_alloc_node+0x1c7/0x1e0
[  600.374772]  ? lock_downgrade+0x900/0x900
[  600.378931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  600.384490]  cache_grow_begin+0xa5/0x8c0
[  600.388604]  ? do_raw_spin_unlock+0xa7/0x330
[  600.393026]  fallback_alloc+0x204/0x2e0
[  600.397051]  ____cache_alloc_node+0x1c7/0x1e0
[  600.401567]  kmem_cache_alloc_node+0xe3/0x730
[  600.406069]  ? mark_held_locks+0xc7/0x130
[  600.410233]  __alloc_skb+0x119/0x770
[  600.413954]  ? netdev_alloc_frag+0x1f0/0x1f0
[  600.418366]  ? do_raw_spin_trylock+0x270/0x270
[  600.422955]  ? kmem_cache_alloc_trace+0x353/0x750
[  600.427815]  ? queue_work_on+0x12c/0x1e0
[  600.431956]  ? switchdev_port_obj_del+0xdc/0x440
[  600.436721]  ? switchdev_trans_item_enqueue+0x260/0x260
[  600.442090]  ? lock_is_held_type+0x210/0x210
[  600.446504]  ? mod_timer+0x631/0x1560
[  600.450313]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  600.455388]  __br_mdb_notify+0x4ff/0x15d0
[  600.459567]  ? __br_mdb_add+0x7f0/0x7f0
[  600.463560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  600.469105]  ? check_preemption_disabled+0x48/0x280
[  600.474129]  ? debug_smp_processor_id+0x1c/0x20
[  600.478797]  ? perf_trace_lock+0x14d/0x7a0
[  600.483042]  ? br_multicast_group_expired+0x96/0x610
[  600.488163]  br_mdb_notify+0x310/0x410
[  600.492061]  ? br_mdb_dump+0x27b0/0x27b0
[  600.496131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  600.501692]  br_multicast_group_expired+0x1bc/0x610
[  600.506714]  ? br_mdb_free+0x80/0x80
[  600.510441]  call_timer_fn+0x272/0x920
[  600.514331]  ? br_mdb_free+0x80/0x80
[  600.518050]  ? process_timeout+0x40/0x40
[  600.522126]  ? __run_timers+0x7da/0xc70
[  600.526108]  ? _raw_spin_unlock_irq+0x27/0x80
[  600.530605]  ? _raw_spin_unlock_irq+0x27/0x80
[  600.535106]  ? br_mdb_free+0x80/0x80
[  600.538822]  ? lockdep_hardirqs_on+0x296/0x5b0
[  600.543413]  ? trace_hardirqs_on+0xbd/0x310
[  600.547738]  ? kasan_check_read+0x11/0x20
[  600.551887]  ? __run_timers+0x7da/0xc70
[  600.555864]  ? trace_hardirqs_off_caller+0x310/0x310
[  600.560981]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  600.565231]  ? br_mdb_free+0x80/0x80
[  600.568943]  __run_timers+0x7e5/0xc70
[  600.572767]  ? timer_fixup_init+0x70/0x70
[  600.576923]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  600.581943]  ? zap_class+0x640/0x640
[  600.585661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  600.591206]  ? check_preemption_disabled+0x48/0x280
[  600.596235]  ? debug_smp_processor_id+0x1c/0x20
[  600.600910]  ? perf_trace_lock+0x14d/0x7a0
[  600.605156]  ? find_held_lock+0x36/0x1c0
[  600.609227]  ? zap_class+0x640/0x640
[  600.612962]  ? pvclock_read_flags+0x160/0x160
[  600.617461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  600.623011]  ? check_preemption_disabled+0x48/0x280
[  600.628053]  ? __lock_is_held+0xb5/0x140
[  600.632117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  600.637660]  ? check_preemption_disabled+0x48/0x280
[  600.642689]  run_timer_softirq+0x52/0xb0
[  600.646755]  ? rcu_read_lock_sched_held+0x14f/0x180
[  600.651775]  __do_softirq+0x308/0xb7e
[  600.655582]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  600.660081]  ? lock_downgrade+0x900/0x900
[  600.664240]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  600.669357]  ? pvclock_read_flags+0x160/0x160
[  600.673857]  ? lapic_next_event+0x5a/0x90
[  600.678010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  600.683565]  ? kvm_clock_read+0x18/0x30
[  600.687554]  ? kvm_sched_clock_read+0x9/0x20
[  600.691969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  600.697518]  ? check_preemption_disabled+0x48/0x280
[  600.702563]  irq_exit+0x17f/0x1c0
[  600.706026]  smp_apic_timer_interrupt+0x1cb/0x760
[  600.710875]  ? smp_reschedule_interrupt+0x109/0x650
[  600.715898]  ? smp_call_function_single_interrupt+0x650/0x650
[  600.721782]  ? interrupt_entry+0xb5/0xc0
[  600.725848]  ? trace_hardirqs_off_caller+0xbb/0x310
[  600.730870]  ? trace_hardirqs_off_caller+0xbb/0x310
[  600.735893]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  600.740739]  ? trace_hardirqs_on_caller+0x310/0x310
[  600.745754]  ? trace_hardirqs_on_caller+0x310/0x310
[  600.750770]  ? task_prio+0x50/0x50
[  600.754318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  600.759860]  ? check_preemption_disabled+0x48/0x280
[  600.764888]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  600.769740]  apic_timer_interrupt+0xf/0x20
[  600.773984]  </IRQ>
[  600.776256] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  600.781201] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  600.800116] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  600.807824] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  600.815094] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  600.822364] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  600.829631] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  600.837165] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  600.844480]  skb_clone+0x1bb/0x500
[  600.848040]  ? skb_split+0x11e0/0x11e0
[  600.851942]  ? debug_smp_processor_id+0x1c/0x20
[  600.856618]  ? perf_trace_lock+0x14d/0x7a0
[  600.860852]  ? __switch_to_asm+0x34/0x70
[  600.864912]  ? __switch_to_asm+0x40/0x70
[  600.868971]  ? __switch_to_asm+0x40/0x70
[  600.873030]  ? __switch_to_asm+0x34/0x70
[  600.877110]  bpf_clone_redirect+0xb9/0x490
[  600.881361]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  600.886299]  ? __sched_text_start+0x8/0x8
[  600.890466]  ? find_held_lock+0x36/0x1c0
[  600.894550]  ? lock_acquire+0x1ed/0x520
[  600.898547]  ? bpf_test_run+0x3cb/0x780
[  600.902547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  600.908104]  ? check_preemption_disabled+0x48/0x280
[  600.913158]  ? kasan_check_read+0x11/0x20
[  600.917310]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  600.922589]  ? rcu_softirq_qs+0x20/0x20
[  600.926574]  ? preempt_schedule+0x4d/0x60
[  600.930726]  ? ___preempt_schedule+0x16/0x18
[  600.935148]  ? bpf_test_run+0x25d/0x780
[  600.939137]  ? netlink_diag_dump+0x2a0/0x2a0
[  600.943718]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  600.949269]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  600.954040]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  600.958892]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  600.964431]  ? fput+0x130/0x1a0
[  600.967720]  ? __bpf_prog_get+0x9b/0x290
[  600.971791]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  600.976635]  ? bpf_prog_test_run+0x130/0x1a0
[  600.981057]  ? __x64_sys_bpf+0x3d8/0x520
[  600.985120]  ? bpf_prog_get+0x20/0x20
[  600.988948]  ? do_syscall_64+0x1b9/0x820
[  600.993010]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  600.998382]  ? syscall_return_slowpath+0x5e0/0x5e0
[  601.003314]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  601.008159]  ? trace_hardirqs_on_caller+0x310/0x310
[  601.013346]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  601.018368]  ? prepare_exit_to_usermode+0x291/0x3b0
[  601.023394]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  601.028249]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  601.033639] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  601.034356] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  601.040673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  601.051140] syz-executor4 cpuset=syz4 mems_allowed=0
[  601.060484] Call Trace:
[  601.068141]  <IRQ>
[  601.070301]  dump_stack+0x244/0x39d
[  601.073938]  ? dump_stack_print_info.cold.1+0x20/0x20
[  601.079146]  warn_alloc.cold.116+0xb7/0x1bd
[  601.083478]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  601.088331]  ? lock_downgrade+0x900/0x900
[  601.092494]  ? trace_hardirqs_off+0xb8/0x310
[  601.096912]  ? trace_hardirqs_off+0xb8/0x310
[  601.101331]  __alloc_pages_slowpath+0x2651/0x2de0
[  601.106237]  ? warn_alloc+0x120/0x120
[  601.110084]  ? print_usage_bug+0xc0/0xc0
[  601.114178]  ? warn_alloc+0x120/0x120
[  601.117986]  ? debug_smp_processor_id+0x1c/0x20
[  601.122658]  ? warn_alloc+0x120/0x120
[  601.126461]  ? print_usage_bug+0xc0/0xc0
[  601.130533]  ? print_usage_bug+0xc0/0xc0
[  601.134619]  ? __lock_acquire+0x62f/0x4c20
[  601.138867]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  601.144567]  ? should_fail+0x22d/0xd01
[  601.148501]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  601.153616]  ? __lock_acquire+0x62f/0x4c20
[  601.157912]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  601.163014]  ? __lock_acquire+0x62f/0x4c20
[  601.167250]  ? should_fail+0x22d/0xd01
[  601.171137]  ? find_held_lock+0x36/0x1c0
[  601.175218]  ? mark_held_locks+0x130/0x130
[  601.179493]  ? mark_held_locks+0x130/0x130
[  601.183729]  ? perf_trace_lock+0x14d/0x7a0
[  601.187964]  ? zap_class+0x640/0x640
[  601.191686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  601.197242]  ? check_preemption_disabled+0x48/0x280
[  601.202271]  ? zap_class+0x640/0x640
[  601.205990]  ? debug_smp_processor_id+0x1c/0x20
[  601.210658]  ? perf_trace_lock+0x14d/0x7a0
[  601.214911]  ? check_preemption_disabled+0x48/0x280
[  601.219938]  ? lock_is_held_type+0x210/0x210
[  601.224395]  ? __lock_is_held+0xb5/0x140
[  601.228479]  __alloc_pages_nodemask+0xad8/0xea0
[  601.233168]  ? zap_class+0x640/0x640
[  601.236893]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  601.241925]  ? find_held_lock+0x36/0x1c0
[  601.246004]  ? ____cache_alloc_node+0x1c7/0x1e0
[  601.250676]  ? lock_downgrade+0x900/0x900
[  601.254838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  601.260393]  cache_grow_begin+0xa5/0x8c0
[  601.264458]  ? do_raw_spin_unlock+0xa7/0x330
[  601.268876]  fallback_alloc+0x204/0x2e0
[  601.272873]  ____cache_alloc_node+0x1c7/0x1e0
[  601.277395]  kmem_cache_alloc_node+0xe3/0x730
[  601.281891]  ? ipv6_get_ifaddr+0x42e/0x620
[  601.286143]  __alloc_skb+0x119/0x770
[  601.289857]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  601.295140]  ? netdev_alloc_frag+0x1f0/0x1f0
[  601.299565]  ? lock_downgrade+0x900/0x900
[  601.303727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  601.309297]  ? refcount_sub_and_test_checked+0x203/0x310
[  601.314798]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  601.320265]  ? addrconf_rs_timer+0x690/0x690
[  601.324690]  ndisc_alloc_skb+0x144/0x340
[  601.328762]  ndisc_send_rs+0x331/0x6e0
[  601.332684]  addrconf_rs_timer+0x314/0x690
[  601.336942]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  601.341195]  call_timer_fn+0x272/0x920
[  601.345082]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  601.349319]  ? process_timeout+0x40/0x40
[  601.353397]  ? mark_held_locks+0xc7/0x130
[  601.357564]  ? _raw_spin_unlock_irq+0x27/0x80
[  601.362059]  ? _raw_spin_unlock_irq+0x27/0x80
[  601.366564]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  601.370806]  ? lockdep_hardirqs_on+0x296/0x5b0
[  601.375396]  ? trace_hardirqs_on+0xbd/0x310
[  601.379718]  ? kasan_check_read+0x11/0x20
[  601.383864]  ? __run_timers+0x7da/0xc70
[  601.387841]  ? trace_hardirqs_off_caller+0x310/0x310
[  601.392950]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  601.397189]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  601.401420]  __run_timers+0x7e5/0xc70
[  601.405250]  ? timer_fixup_init+0x70/0x70
[  601.409405]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  601.414424]  ? zap_class+0x640/0x640
[  601.418143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  601.423684]  ? print_usage_bug+0xc0/0xc0
[  601.427757]  ? debug_smp_processor_id+0x1c/0x20
[  601.432516]  ? perf_trace_lock+0x14d/0x7a0
[  601.436773]  ? find_held_lock+0x36/0x1c0
[  601.440842]  ? zap_class+0x640/0x640
[  601.444580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  601.450123]  ? check_preemption_disabled+0x48/0x280
[  601.455153]  ? __lock_is_held+0xb5/0x140
[  601.459230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  601.464797]  ? check_preemption_disabled+0x48/0x280
[  601.469821]  run_timer_softirq+0x52/0xb0
[  601.473885]  ? rcu_read_lock_sched_held+0x14f/0x180
[  601.478904]  __do_softirq+0x308/0xb7e
[  601.482708]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  601.487207]  ? lock_downgrade+0x900/0x900
[  601.491366]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  601.496480]  ? pvclock_read_flags+0x160/0x160
[  601.500980]  ? lapic_next_event+0x5a/0x90
[  601.505132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  601.510681]  ? kvm_clock_read+0x18/0x30
[  601.514655]  ? kvm_sched_clock_read+0x9/0x20
[  601.519070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  601.524615]  ? check_preemption_disabled+0x48/0x280
[  601.529645]  irq_exit+0x17f/0x1c0
[  601.533102]  smp_apic_timer_interrupt+0x1cb/0x760
[  601.537947]  ? smp_reschedule_interrupt+0x109/0x650
[  601.542964]  ? smp_call_function_single_interrupt+0x650/0x650
[  601.548849]  ? interrupt_entry+0xb5/0xc0
[  601.552914]  ? trace_hardirqs_off_caller+0xbb/0x310
[  601.557932]  ? trace_hardirqs_off_caller+0xbb/0x310
[  601.562952]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  601.567798]  ? trace_hardirqs_on_caller+0x310/0x310
[  601.572819]  ? trace_hardirqs_on_caller+0x310/0x310
[  601.577836]  ? task_prio+0x50/0x50
[  601.581379]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  601.586920]  ? check_preemption_disabled+0x48/0x280
[  601.591943]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  601.596797]  apic_timer_interrupt+0xf/0x20
[  601.601029]  </IRQ>
[  601.603267] RIP: 0010:console_unlock+0x102f/0x1190
[  601.608203] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  601.627106] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  601.634812] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  601.642082] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  601.649348] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  601.656616] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  601.663885] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  601.671180]  ? netconsole_netdev_event+0x280/0x280
[  601.676131]  ? console_unlock+0x1026/0x1190
[  601.680490]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  601.685174]  ? vprintk_emit+0x846/0x990
[  601.689156]  ? lock_release+0xa00/0xa00
[  601.693163]  ? trace_hardirqs_on+0x30/0x310
[  601.697485]  ? vprintk_default+0x28/0x30
[  601.701574]  ? trace_hardirqs_off_caller+0x310/0x310
[  601.706696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  601.712242]  vprintk_emit+0x391/0x990
[  601.716051]  ? wake_up_klogd+0x180/0x180
[  601.720121]  ? find_held_lock+0x31/0x1c0
[  601.724197]  ? mark_held_locks+0xc7/0x130
[  601.728347]  ? _raw_spin_unlock_irq+0x27/0x80
[  601.732843]  ? _raw_spin_unlock_irq+0x27/0x80
[  601.737345]  vprintk_default+0x28/0x30
[  601.741276]  vprintk_func+0x7e/0x181
[  601.744995]  printk+0xa7/0xcf
[  601.748101]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  601.752860]  ? _raw_spin_unlock_irq+0x60/0x80
[  601.757387]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  601.762678]  dump_header+0x7cc/0xf72
[  601.766408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  601.771964]  ? check_preemption_disabled+0x48/0x280
[  601.776988]  ? pagefault_out_of_memory+0x197/0x197
[  601.781921]  ? debug_smp_processor_id+0x1c/0x20
[  601.786594]  ? perf_trace_lock+0x14d/0x7a0
[  601.790833]  ? mark_held_locks+0x130/0x130
[  601.795074]  ? lock_is_held_type+0x210/0x210
[  601.799492]  ? debug_smp_processor_id+0x1c/0x20
[  601.804163]  ? zap_class+0x640/0x640
[  601.807889]  ? lock_is_held_type+0x210/0x210
[  601.812302]  ? perf_trace_lock+0x14d/0x7a0
[  601.816563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  601.822111]  ? find_held_lock+0x36/0x1c0
[  601.826196]  ? mark_held_locks+0xc7/0x130
[  601.830350]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  601.835459]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  601.840572]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  601.845163]  ? trace_hardirqs_on+0xbd/0x310
[  601.849486]  ? kasan_check_read+0x11/0x20
[  601.853636]  ? ___ratelimit+0x3b4/0x672
[  601.857615]  ? trace_hardirqs_off_caller+0x310/0x310
[  601.862721]  ? trace_hardirqs_on+0x310/0x310
[  601.867134]  ? lock_downgrade+0x900/0x900
[  601.871289]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  601.876393]  ? ___ratelimit+0x3b9/0x672
[  601.880370]  ? idr_get_free+0xf70/0xf70
[  601.884346]  ? lock_is_held_type+0x210/0x210
[  601.888764]  oom_kill_process.cold.27+0x10/0x903
[  601.893524]  ? zap_class+0x640/0x640
[  601.897256]  ? _raw_spin_unlock+0x2c/0x50
[  601.901406]  ? oom_badness+0xe6/0xaa0
[  601.905215]  ? oom_evaluate_task+0x540/0x540
[  601.909675]  ? find_held_lock+0x36/0x1c0
[  601.913748]  ? out_of_memory+0x974/0x1430
[  601.917899]  ? lock_downgrade+0x900/0x900
[  601.922053]  ? check_preemption_disabled+0x48/0x280
[  601.927075]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  601.932007]  ? kasan_check_read+0x11/0x20
[  601.936160]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  601.941442]  ? rcu_softirq_qs+0x20/0x20
[  601.945425]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  601.950443]  ? oom_evaluate_task+0x302/0x540
[  601.954859]  out_of_memory+0xa84/0x1430
[  601.958844]  ? oom_killer_disable+0x3a0/0x3a0
[  601.963344]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  601.968296]  ? __ww_mutex_check_waiters+0x160/0x160
[  601.973326]  __alloc_pages_slowpath+0x232c/0x2de0
[  601.978205]  ? warn_alloc+0x120/0x120
[  601.982023]  ? mark_held_locks+0x130/0x130
[  601.986268]  ? find_get_entry+0xaae/0x1120
[  601.990515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  601.996070]  ? check_preemption_disabled+0x48/0x280
[  602.001086]  ? filemap_map_pages+0x1a20/0x1a20
[  602.005676]  ? debug_smp_processor_id+0x1c/0x20
[  602.010814]  ? perf_trace_lock+0x14d/0x7a0
[  602.015062]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  602.020603]  ? should_fail+0x22d/0xd01
[  602.024498]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  602.029617]  ? zap_class+0x640/0x640
[  602.033363]  ? __lock_is_held+0xb5/0x140
[  602.037438]  ? mark_held_locks+0x130/0x130
[  602.041679]  ? lock_release+0xa00/0xa00
[  602.045660]  ? perf_trace_sched_process_exec+0x860/0x860
[  602.051113]  ? xa_load+0x2ba/0x460
[  602.054661]  ? lock_downgrade+0x900/0x900
[  602.058817]  ? __might_sleep+0x95/0x190
[  602.062816]  __alloc_pages_nodemask+0xad8/0xea0
[  602.067496]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  602.072516]  ? __page_cache_alloc+0x191/0x5c0
[  602.077028]  ? xa_load+0x2e1/0x460
[  602.080582]  ? xa_clear_mark+0x40/0x40
[  602.084474]  ? zap_class+0x640/0x640
[  602.088197]  ? zap_class+0x640/0x640
[  602.091911]  ? zap_class+0x640/0x640
[  602.095624]  ? __do_page_cache_readahead+0x663/0x810
[  602.100737]  ? find_held_lock+0x36/0x1c0
[  602.104819]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  602.110368]  alloc_pages_current+0x173/0x350
[  602.114788]  __page_cache_alloc+0x38c/0x5c0
[  602.119118]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  602.124046]  ? kasan_check_read+0x11/0x20
[  602.128203]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  602.133488]  ? generic_perform_write+0x6a0/0x6a0
[  602.138253]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  602.143797]  ? check_preemption_disabled+0x48/0x280
[  602.148825]  filemap_fault+0x1595/0x25f0
[  602.152906]  ? __lock_page_or_retry+0xa00/0xa00
[  602.157595]  ? mark_held_locks+0x130/0x130
[  602.161844]  ? filemap_map_pages+0xd6b/0x1a20
[  602.166344]  ? lock_downgrade+0x900/0x900
[  602.170494]  ? check_preemption_disabled+0x48/0x280
[  602.175520]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  602.180466]  ? kasan_check_read+0x11/0x20
[  602.184616]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  602.189897]  ? rcu_softirq_qs+0x20/0x20
[  602.193888]  ? filemap_map_pages+0xd92/0x1a20
[  602.198403]  ? find_get_entries_tag+0x1400/0x1400
[  602.203255]  ? debug_object_destroy+0x2b0/0x2b0
[  602.207928]  ? lock_pi_update_atomic+0x150/0x150
[  602.212690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  602.218241]  ? lock_acquire+0x1ed/0x520
[  602.222217]  ? ext4_filemap_fault+0x7a/0xad
[  602.226561]  ? lock_release+0xa00/0xa00
[  602.230544]  ? perf_trace_sched_process_exec+0x860/0x860
[  602.236023]  ? print_usage_bug+0xc0/0xc0
[  602.240086]  ? print_usage_bug+0xc0/0xc0
[  602.244164]  ? down_read+0x8d/0x120
[  602.247796]  ? ext4_filemap_fault+0x7a/0xad
[  602.252121]  ? __down_interruptible+0x700/0x700
[  602.256808]  ext4_filemap_fault+0x82/0xad
[  602.260964]  __do_fault+0x100/0x6b0
[  602.264599]  ? pmd_devmap_trans_unstable+0x220/0x220
[  602.269711]  ? mark_held_locks+0x130/0x130
[  602.273953]  ? mark_held_locks+0x130/0x130
[  602.278192]  ? debug_smp_processor_id+0x1c/0x20
[  602.282865]  ? perf_trace_lock+0x14d/0x7a0
[  602.287105]  ? lock_downgrade+0x900/0x900
[  602.291268]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  602.296816]  __handle_mm_fault+0x3ea0/0x5be0
[  602.301236]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  602.306087]  ? lock_is_held_type+0x210/0x210
[  602.310507]  ? file_remove_privs+0x540/0x540
[  602.314929]  ? file_remove_privs+0x540/0x540
[  602.319343]  ? zap_class+0x640/0x640
[  602.323051]  ? zap_class+0x640/0x640
[  602.326766]  ? __x64_sys_futex+0x53e/0x6a0
[  602.331005]  ? find_held_lock+0x36/0x1c0
[  602.335081]  ? handle_mm_fault+0x42a/0xc70
[  602.339318]  ? lock_downgrade+0x900/0x900
[  602.343469]  ? check_preemption_disabled+0x48/0x280
[  602.348490]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  602.353422]  ? kasan_check_read+0x11/0x20
[  602.357579]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  602.362859]  ? rcu_softirq_qs+0x20/0x20
[  602.366845]  ? trace_hardirqs_off_caller+0x310/0x310
[  602.371953]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  602.377493]  ? check_preemption_disabled+0x48/0x280
[  602.382545]  handle_mm_fault+0x54f/0xc70
[  602.386633]  ? __handle_mm_fault+0x5be0/0x5be0
[  602.391226]  ? find_vma+0x34/0x190
[  602.394778]  __do_page_fault+0x5e8/0xe60
[  602.398844]  ? trace_hardirqs_off+0xb8/0x310
[  602.403265]  do_page_fault+0xf2/0x7e0
[  602.407072]  ? vmalloc_sync_all+0x30/0x30
[  602.411224]  ? error_entry+0x70/0xd0
[  602.414941]  ? trace_hardirqs_off_caller+0xbb/0x310
[  602.419960]  ? trace_hardirqs_on_caller+0xc0/0x310
[  602.424909]  ? syscall_return_slowpath+0x5e0/0x5e0
[  602.429859]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  602.434708]  ? trace_hardirqs_on_caller+0x310/0x310
[  602.439728]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  602.445191]  ? prepare_exit_to_usermode+0x291/0x3b0
[  602.450213]  ? page_fault+0x8/0x30
[  602.453795]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  602.458640]  ? page_fault+0x8/0x30
[  602.462211]  page_fault+0x1e/0x30
[  602.465694] RIP: 0033:0x45ddf3
[  602.468898] Code: Bad RIP value.
[  602.472261] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  602.478153] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  602.485433] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  602.492700] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  602.499966] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  602.507249] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  602.514556] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  602.514563] warn_alloc_show_mem: 1 callbacks suppressed
[  602.514571] Mem-Info:
[  602.521930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  602.527299] active_anon:147110 inactive_anon:190 isolated_anon:0
[  602.527299]  active_file:13 inactive_file:13 isolated_file:2
[  602.527299]  unevictable:1 dirty:0 writeback:0 unstable:0
[  602.527299]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  602.527299]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  602.527299]  free:13705 free_pcp:247 free_cma:0
[  602.529674] Call Trace:
[  602.539061] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  602.572083]  <IRQ>
[  602.574658] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  602.602153]  dump_stack+0x244/0x39d
[  602.604273] lowmem_reserve[]: 0 2818 6321 6321
[  602.630381]  ? dump_stack_print_info.cold.1+0x20/0x20
[  602.633985] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  602.638578]  warn_alloc.cold.116+0xb7/0x1bd
[  602.643735] lowmem_reserve[]: 0 0 3503 3503
[  602.671418]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  602.675728] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  602.680045]  ? lock_downgrade+0x900/0x900
[  602.684860] lowmem_reserve[]: 0 0 0 0
[  602.713751]  ? trace_hardirqs_off+0xb8/0x310
[  602.717874] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  602.721676]  ? trace_hardirqs_off+0xb8/0x310
[  602.726061] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  602.739602]  __alloc_pages_slowpath+0x2651/0x2de0
[  602.743983] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  602.759096]  ? warn_alloc+0x120/0x120
[  602.763904] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  602.778456]  ? warn_alloc+0x120/0x120
[  602.782238] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  602.791064]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  602.794836] 274 total pagecache pages
[  602.803403]  ? warn_alloc+0x120/0x120
[  602.808404] 0 pages in swap cache
[  602.812193]  ? print_usage_bug+0xc0/0xc0
[  602.815974] Swap cache stats: add 0, delete 0, find 0/0
[  602.819434]  ? print_usage_bug+0xc0/0xc0
[  602.823474] Free swap  = 0kB
[  602.828829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  602.832865] Total swap = 0kB
[  602.835881]  ? check_preemption_disabled+0x48/0x280
[  602.841388] 1965979 pages RAM
[  602.844401]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  602.849391] 0 pages HighMem/MovableOnly
[  602.852490]  ? should_fail+0x22d/0xd01
[  602.858003] 342854 pages reserved
[  602.861972]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  602.865829] 0 pages cma reserved
[  602.865903] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  602.869286]  ? __lock_acquire+0x62f/0x4c20
[  602.874425] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  602.877728]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  602.884194] syz-fuzzer cpuset=/ mems_allowed=0
[  602.888423]  ? should_fail+0x22d/0xd01
[  602.912173]  ? mark_held_locks+0x130/0x130
[  602.916414]  ? mark_held_locks+0x130/0x130
[  602.920655]  ? print_usage_bug+0xc0/0xc0
[  602.924722]  ? find_held_lock+0x36/0x1c0
[  602.928791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  602.934333]  ? check_preemption_disabled+0x48/0x280
[  602.939349]  ? zap_class+0x640/0x640
[  602.943100]  ? debug_smp_processor_id+0x1c/0x20
[  602.947769]  ? perf_trace_lock+0x14d/0x7a0
[  602.952009]  ? check_preemption_disabled+0x48/0x280
[  602.957034]  ? lock_is_held_type+0x210/0x210
[  602.961452]  ? __lock_is_held+0xb5/0x140
[  602.965559]  __alloc_pages_nodemask+0xad8/0xea0
[  602.970237]  ? zap_class+0x640/0x640
[  602.973960]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  602.978990]  ? find_held_lock+0x36/0x1c0
[  602.983072]  ? ____cache_alloc_node+0x1c7/0x1e0
[  602.987745]  ? lock_downgrade+0x900/0x900
[  602.991909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  602.997456]  cache_grow_begin+0xa5/0x8c0
[  603.001518]  ? do_raw_spin_unlock+0xa7/0x330
[  603.005945]  fallback_alloc+0x204/0x2e0
[  603.010076]  ____cache_alloc_node+0x1c7/0x1e0
[  603.014582]  kmem_cache_alloc_node+0xe3/0x730
[  603.019080]  ? mark_held_locks+0xc7/0x130
[  603.023241]  __alloc_skb+0x119/0x770
[  603.026968]  ? netdev_alloc_frag+0x1f0/0x1f0
[  603.031379]  ? do_raw_spin_trylock+0x270/0x270
[  603.035968]  ? kmem_cache_alloc_trace+0x353/0x750
[  603.040817]  ? queue_work_on+0x12c/0x1e0
[  603.044890]  ? switchdev_port_obj_del+0xdc/0x440
[  603.049652]  ? switchdev_trans_item_enqueue+0x260/0x260
[  603.055024]  ? lock_is_held_type+0x210/0x210
[  603.059446]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  603.064471]  __br_mdb_notify+0x4ff/0x15d0
[  603.068635]  ? __br_mdb_add+0x7f0/0x7f0
[  603.072618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  603.078160]  ? check_preemption_disabled+0x48/0x280
[  603.083188]  ? debug_smp_processor_id+0x1c/0x20
[  603.087859]  ? perf_trace_lock+0x14d/0x7a0
[  603.092104]  ? br_multicast_group_expired+0x96/0x610
[  603.097214]  ? lock_downgrade+0x900/0x900
[  603.101375]  br_mdb_notify+0x310/0x410
[  603.105274]  ? br_mdb_dump+0x27b0/0x27b0
[  603.109355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  603.114905]  br_multicast_group_expired+0x1bc/0x610
[  603.119933]  ? br_mdb_free+0x80/0x80
[  603.123663]  call_timer_fn+0x272/0x920
[  603.127576]  ? br_mdb_free+0x80/0x80
[  603.131296]  ? process_timeout+0x40/0x40
[  603.135368]  ? __run_timers+0x7da/0xc70
[  603.139350]  ? _raw_spin_unlock_irq+0x27/0x80
[  603.144330]  ? _raw_spin_unlock_irq+0x27/0x80
[  603.148831]  ? br_mdb_free+0x80/0x80
[  603.152558]  ? lockdep_hardirqs_on+0x296/0x5b0
[  603.157161]  ? trace_hardirqs_on+0xbd/0x310
[  603.161488]  ? kasan_check_read+0x11/0x20
[  603.165641]  ? __run_timers+0x7da/0xc70
[  603.169619]  ? trace_hardirqs_off_caller+0x310/0x310
[  603.174736]  ? br_mdb_free+0x80/0x80
[  603.178462]  ? br_mdb_free+0x80/0x80
[  603.182194]  __run_timers+0x7e5/0xc70
[  603.186022]  ? timer_fixup_init+0x70/0x70
[  603.190178]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  603.195203]  ? zap_class+0x640/0x640
[  603.198919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  603.204463]  ? check_preemption_disabled+0x48/0x280
[  603.209493]  ? debug_smp_processor_id+0x1c/0x20
[  603.214163]  ? perf_trace_lock+0x14d/0x7a0
[  603.218408]  ? find_held_lock+0x36/0x1c0
[  603.222478]  ? zap_class+0x640/0x640
[  603.226217]  ? pvclock_read_flags+0x160/0x160
[  603.230715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  603.236258]  ? check_preemption_disabled+0x48/0x280
[  603.241287]  ? __lock_is_held+0xb5/0x140
[  603.245352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  603.250891]  ? check_preemption_disabled+0x48/0x280
[  603.255918]  run_timer_softirq+0x52/0xb0
[  603.259987]  ? rcu_read_lock_sched_held+0x14f/0x180
[  603.265011]  __do_softirq+0x308/0xb7e
[  603.268821]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  603.273320]  ? lock_downgrade+0x900/0x900
[  603.277480]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  603.282598]  ? pvclock_read_flags+0x160/0x160
[  603.287095]  ? lapic_next_event+0x5a/0x90
[  603.291248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  603.296803]  ? kvm_clock_read+0x18/0x30
[  603.300780]  ? kvm_sched_clock_read+0x9/0x20
[  603.305204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  603.310751]  ? check_preemption_disabled+0x48/0x280
[  603.315780]  irq_exit+0x17f/0x1c0
[  603.319237]  smp_apic_timer_interrupt+0x1cb/0x760
[  603.324080]  ? smp_reschedule_interrupt+0x109/0x650
[  603.329101]  ? smp_call_function_single_interrupt+0x650/0x650
[  603.334985]  ? interrupt_entry+0xb5/0xc0
[  603.339055]  ? trace_hardirqs_off_caller+0xbb/0x310
[  603.344103]  ? trace_hardirqs_off_caller+0xbb/0x310
[  603.349122]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  603.353973]  ? trace_hardirqs_on_caller+0x310/0x310
[  603.358988]  ? trace_hardirqs_on_caller+0x310/0x310
[  603.364004]  ? task_prio+0x50/0x50
[  603.367559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  603.373104]  ? check_preemption_disabled+0x48/0x280
[  603.378135]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  603.382991]  apic_timer_interrupt+0xf/0x20
[  603.387224]  </IRQ>
[  603.389469] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  603.394399] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  603.413303] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  603.421014] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  603.428283] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  603.435555] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  603.442826] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  603.450094] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  603.457408]  skb_clone+0x1bb/0x500
[  603.460957]  ? skb_split+0x11e0/0x11e0
[  603.464854]  ? debug_smp_processor_id+0x1c/0x20
[  603.469525]  ? perf_trace_lock+0x14d/0x7a0
[  603.473769]  ? __switch_to_asm+0x34/0x70
[  603.477833]  ? __switch_to_asm+0x40/0x70
[  603.481893]  ? __switch_to_asm+0x40/0x70
[  603.485951]  ? __switch_to_asm+0x34/0x70
[  603.490022]  bpf_clone_redirect+0xb9/0x490
[  603.494269]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  603.499216]  ? __sched_text_start+0x8/0x8
[  603.503380]  ? find_held_lock+0x36/0x1c0
[  603.507458]  ? lock_acquire+0x1ed/0x520
[  603.511440]  ? bpf_test_run+0x3cb/0x780
[  603.515419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  603.520960]  ? check_preemption_disabled+0x48/0x280
[  603.525985]  ? kasan_check_read+0x11/0x20
[  603.530133]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  603.535412]  ? rcu_softirq_qs+0x20/0x20
[  603.539392]  ? preempt_schedule+0x4d/0x60
[  603.543565]  ? ___preempt_schedule+0x16/0x18
[  603.548000]  ? bpf_test_run+0x25d/0x780
[  603.551991]  ? netlink_diag_dump+0x2a0/0x2a0
[  603.556408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  603.561958]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  603.566729]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  603.571588]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  603.577129]  ? fput+0x130/0x1a0
[  603.580414]  ? __bpf_prog_get+0x9b/0x290
[  603.584481]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  603.589328]  ? bpf_prog_test_run+0x130/0x1a0
[  603.593760]  ? __x64_sys_bpf+0x3d8/0x520
[  603.597823]  ? bpf_prog_get+0x20/0x20
[  603.601649]  ? do_syscall_64+0x1b9/0x820
[  603.605724]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  603.611125]  ? syscall_return_slowpath+0x5e0/0x5e0
[  603.616088]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  603.620979]  ? trace_hardirqs_on_caller+0x310/0x310
[  603.626023]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  603.631045]  ? prepare_exit_to_usermode+0x291/0x3b0
[  603.636080]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  603.640935]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  603.646318] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  603.646505] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  603.653342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  603.663808] syz-executor4 cpuset=syz4 mems_allowed=0
[  603.673148] Call Trace:
[  603.680843]  <IRQ>
[  603.682999]  dump_stack+0x244/0x39d
[  603.686633]  ? dump_stack_print_info.cold.1+0x20/0x20
[  603.691843]  warn_alloc.cold.116+0xb7/0x1bd
[  603.696171]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  603.701021]  ? lock_downgrade+0x900/0x900
[  603.705193]  ? trace_hardirqs_off+0xb8/0x310
[  603.709626]  ? trace_hardirqs_off+0xb8/0x310
[  603.714048]  __alloc_pages_slowpath+0x2651/0x2de0
[  603.718927]  ? warn_alloc+0x120/0x120
[  603.722738]  ? print_usage_bug+0xc0/0xc0
[  603.726802]  ? warn_alloc+0x120/0x120
[  603.730609]  ? debug_smp_processor_id+0x1c/0x20
[  603.735284]  ? warn_alloc+0x120/0x120
[  603.739098]  ? print_usage_bug+0xc0/0xc0
[  603.743184]  ? print_usage_bug+0xc0/0xc0
[  603.747265]  ? __lock_acquire+0x62f/0x4c20
[  603.751511]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  603.757063]  ? should_fail+0x22d/0xd01
[  603.760957]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  603.766065]  ? __lock_acquire+0x62f/0x4c20
[  603.770308]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  603.775410]  ? __lock_acquire+0x62f/0x4c20
[  603.779645]  ? should_fail+0x22d/0xd01
[  603.783531]  ? find_held_lock+0x36/0x1c0
[  603.787636]  ? mark_held_locks+0x130/0x130
[  603.791879]  ? mark_held_locks+0x130/0x130
[  603.796122]  ? perf_trace_lock+0x14d/0x7a0
[  603.800359]  ? zap_class+0x640/0x640
[  603.804078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  603.809621]  ? check_preemption_disabled+0x48/0x280
[  603.814639]  ? zap_class+0x640/0x640
[  603.818359]  ? debug_smp_processor_id+0x1c/0x20
[  603.823032]  ? perf_trace_lock+0x14d/0x7a0
[  603.827268]  ? check_preemption_disabled+0x48/0x280
[  603.832297]  ? lock_is_held_type+0x210/0x210
[  603.836715]  ? __lock_is_held+0xb5/0x140
[  603.840790]  __alloc_pages_nodemask+0xad8/0xea0
[  603.845491]  ? zap_class+0x640/0x640
[  603.849209]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  603.854234]  ? find_held_lock+0x36/0x1c0
[  603.858341]  ? ____cache_alloc_node+0x1c7/0x1e0
[  603.863031]  ? lock_downgrade+0x900/0x900
[  603.867190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  603.872735]  cache_grow_begin+0xa5/0x8c0
[  603.876796]  ? do_raw_spin_unlock+0xa7/0x330
[  603.881218]  fallback_alloc+0x204/0x2e0
[  603.885200]  ____cache_alloc_node+0x1c7/0x1e0
[  603.889706]  kmem_cache_alloc_node+0xe3/0x730
[  603.894208]  ? ipv6_get_ifaddr+0x42e/0x620
[  603.898456]  __alloc_skb+0x119/0x770
[  603.902169]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  603.907478]  ? netdev_alloc_frag+0x1f0/0x1f0
[  603.911890]  ? lock_downgrade+0x900/0x900
[  603.916047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  603.921590]  ? refcount_sub_and_test_checked+0x203/0x310
[  603.927072]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  603.932525]  ? addrconf_rs_timer+0x690/0x690
[  603.936960]  ndisc_alloc_skb+0x144/0x340
[  603.941028]  ndisc_send_rs+0x331/0x6e0
[  603.944927]  addrconf_rs_timer+0x314/0x690
[  603.949168]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  603.953421]  call_timer_fn+0x272/0x920
[  603.957313]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  603.961573]  ? process_timeout+0x40/0x40
[  603.965649]  ? mark_held_locks+0xc7/0x130
[  603.969803]  ? _raw_spin_unlock_irq+0x27/0x80
[  603.974299]  ? _raw_spin_unlock_irq+0x27/0x80
[  603.978792]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  603.983026]  ? lockdep_hardirqs_on+0x296/0x5b0
[  603.987616]  ? trace_hardirqs_on+0xbd/0x310
[  603.991937]  ? kasan_check_read+0x11/0x20
[  603.996086]  ? __run_timers+0x7da/0xc70
[  604.000063]  ? trace_hardirqs_off_caller+0x310/0x310
[  604.005175]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  604.009414]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  604.013650]  __run_timers+0x7e5/0xc70
[  604.017463]  ? timer_fixup_init+0x70/0x70
[  604.021619]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  604.026637]  ? zap_class+0x640/0x640
[  604.030357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  604.035899]  ? print_usage_bug+0xc0/0xc0
[  604.039969]  ? debug_smp_processor_id+0x1c/0x20
[  604.044643]  ? perf_trace_lock+0x14d/0x7a0
[  604.048883]  ? find_held_lock+0x36/0x1c0
[  604.052955]  ? zap_class+0x640/0x640
[  604.056677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  604.062216]  ? check_preemption_disabled+0x48/0x280
[  604.067248]  ? __lock_is_held+0xb5/0x140
[  604.071312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  604.076850]  ? check_preemption_disabled+0x48/0x280
[  604.081873]  run_timer_softirq+0x52/0xb0
[  604.085939]  ? rcu_read_lock_sched_held+0x14f/0x180
[  604.090959]  __do_softirq+0x308/0xb7e
[  604.094771]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  604.099269]  ? lock_downgrade+0x900/0x900
[  604.103427]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  604.108559]  ? pvclock_read_flags+0x160/0x160
[  604.113077]  ? lapic_next_event+0x5a/0x90
[  604.117231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  604.122790]  ? kvm_clock_read+0x18/0x30
[  604.126775]  ? kvm_sched_clock_read+0x9/0x20
[  604.131192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  604.136738]  ? check_preemption_disabled+0x48/0x280
[  604.141772]  irq_exit+0x17f/0x1c0
[  604.145232]  smp_apic_timer_interrupt+0x1cb/0x760
[  604.150074]  ? smp_reschedule_interrupt+0x109/0x650
[  604.155101]  ? smp_call_function_single_interrupt+0x650/0x650
[  604.160987]  ? interrupt_entry+0xb5/0xc0
[  604.165055]  ? trace_hardirqs_off_caller+0xbb/0x310
[  604.170073]  ? trace_hardirqs_off_caller+0xbb/0x310
[  604.175093]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  604.179944]  ? trace_hardirqs_on_caller+0x310/0x310
[  604.184961]  ? trace_hardirqs_on_caller+0x310/0x310
[  604.189991]  ? task_prio+0x50/0x50
[  604.193562]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  604.199110]  ? check_preemption_disabled+0x48/0x280
[  604.204139]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  604.208992]  apic_timer_interrupt+0xf/0x20
[  604.213220]  </IRQ>
[  604.215491] RIP: 0010:console_unlock+0x102f/0x1190
[  604.220427] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  604.239337] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  604.247063] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  604.254330] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  604.261601] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  604.268871] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  604.276142] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  604.283418]  ? netconsole_netdev_event+0x280/0x280
[  604.288353]  ? console_unlock+0x1026/0x1190
[  604.292697]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  604.297371]  ? vprintk_emit+0x846/0x990
[  604.301355]  ? lock_release+0xa00/0xa00
[  604.305335]  ? trace_hardirqs_on+0x30/0x310
[  604.309657]  ? vprintk_default+0x28/0x30
[  604.313723]  ? trace_hardirqs_off_caller+0x310/0x310
[  604.318833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  604.324379]  vprintk_emit+0x391/0x990
[  604.328187]  ? wake_up_klogd+0x180/0x180
[  604.332259]  ? find_held_lock+0x31/0x1c0
[  604.336335]  ? mark_held_locks+0xc7/0x130
[  604.340485]  ? _raw_spin_unlock_irq+0x27/0x80
[  604.344984]  ? _raw_spin_unlock_irq+0x27/0x80
[  604.349489]  vprintk_default+0x28/0x30
[  604.353380]  vprintk_func+0x7e/0x181
[  604.357098]  printk+0xa7/0xcf
[  604.360209]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  604.364968]  ? _raw_spin_unlock_irq+0x60/0x80
[  604.369482]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  604.374787]  dump_header+0x7cc/0xf72
[  604.378511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  604.384063]  ? check_preemption_disabled+0x48/0x280
[  604.389085]  ? pagefault_out_of_memory+0x197/0x197
[  604.394030]  ? debug_smp_processor_id+0x1c/0x20
[  604.398700]  ? perf_trace_lock+0x14d/0x7a0
[  604.402941]  ? mark_held_locks+0x130/0x130
[  604.407180]  ? lock_is_held_type+0x210/0x210
[  604.411600]  ? debug_smp_processor_id+0x1c/0x20
[  604.416276]  ? zap_class+0x640/0x640
[  604.419997]  ? lock_is_held_type+0x210/0x210
[  604.424423]  ? perf_trace_lock+0x14d/0x7a0
[  604.428667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  604.434212]  ? find_held_lock+0x36/0x1c0
[  604.438292]  ? mark_held_locks+0xc7/0x130
[  604.442443]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  604.447558]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  604.452670]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  604.457257]  ? trace_hardirqs_on+0xbd/0x310
[  604.461583]  ? kasan_check_read+0x11/0x20
[  604.465735]  ? ___ratelimit+0x3b4/0x672
[  604.469717]  ? trace_hardirqs_off_caller+0x310/0x310
[  604.474825]  ? trace_hardirqs_on+0x310/0x310
[  604.479237]  ? lock_downgrade+0x900/0x900
[  604.483395]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  604.488503]  ? ___ratelimit+0x3b9/0x672
[  604.492488]  ? idr_get_free+0xf70/0xf70
[  604.496470]  ? lock_is_held_type+0x210/0x210
[  604.500894]  oom_kill_process.cold.27+0x10/0x903
[  604.505658]  ? zap_class+0x640/0x640
[  604.509375]  ? _raw_spin_unlock+0x2c/0x50
[  604.513521]  ? oom_badness+0xe6/0xaa0
[  604.517347]  ? oom_evaluate_task+0x540/0x540
[  604.521762]  ? find_held_lock+0x36/0x1c0
[  604.525834]  ? out_of_memory+0x974/0x1430
[  604.529983]  ? lock_downgrade+0x900/0x900
[  604.534147]  ? check_preemption_disabled+0x48/0x280
[  604.539168]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  604.544098]  ? kasan_check_read+0x11/0x20
[  604.548248]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  604.553524]  ? rcu_softirq_qs+0x20/0x20
[  604.557518]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  604.562589]  ? oom_evaluate_task+0x302/0x540
[  604.567006]  out_of_memory+0xa84/0x1430
[  604.570996]  ? oom_killer_disable+0x3a0/0x3a0
[  604.575494]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  604.580427]  ? __ww_mutex_check_waiters+0x160/0x160
[  604.585458]  __alloc_pages_slowpath+0x232c/0x2de0
[  604.590344]  ? warn_alloc+0x120/0x120
[  604.594150]  ? mark_held_locks+0x130/0x130
[  604.598447]  ? find_get_entry+0xaae/0x1120
[  604.602693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  604.608245]  ? check_preemption_disabled+0x48/0x280
[  604.613264]  ? filemap_map_pages+0x1a20/0x1a20
[  604.617854]  ? debug_smp_processor_id+0x1c/0x20
[  604.622524]  ? perf_trace_lock+0x14d/0x7a0
[  604.626783]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  604.632320]  ? should_fail+0x22d/0xd01
[  604.636247]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  604.641382]  ? zap_class+0x640/0x640
[  604.645124]  ? __lock_is_held+0xb5/0x140
[  604.649199]  ? mark_held_locks+0x130/0x130
[  604.653441]  ? lock_release+0xa00/0xa00
[  604.657419]  ? perf_trace_sched_process_exec+0x860/0x860
[  604.662871]  ? xa_load+0x2ba/0x460
[  604.666429]  ? lock_downgrade+0x900/0x900
[  604.670588]  ? __might_sleep+0x95/0x190
[  604.674594]  __alloc_pages_nodemask+0xad8/0xea0
[  604.679277]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  604.684298]  ? __page_cache_alloc+0x191/0x5c0
[  604.688792]  ? xa_load+0x2e1/0x460
[  604.692343]  ? xa_clear_mark+0x40/0x40
[  604.696237]  ? zap_class+0x640/0x640
[  604.699962]  ? zap_class+0x640/0x640
[  604.703680]  ? zap_class+0x640/0x640
[  604.707397]  ? __do_page_cache_readahead+0x663/0x810
[  604.712509]  ? find_held_lock+0x36/0x1c0
[  604.716593]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  604.722141]  alloc_pages_current+0x173/0x350
[  604.726617]  __page_cache_alloc+0x38c/0x5c0
[  604.730942]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  604.735903]  ? kasan_check_read+0x11/0x20
[  604.740050]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  604.745354]  ? generic_perform_write+0x6a0/0x6a0
[  604.750116]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  604.755660]  ? check_preemption_disabled+0x48/0x280
[  604.760700]  filemap_fault+0x1595/0x25f0
[  604.764776]  ? __lock_page_or_retry+0xa00/0xa00
[  604.769473]  ? mark_held_locks+0x130/0x130
[  604.773719]  ? filemap_map_pages+0xd6b/0x1a20
[  604.778221]  ? lock_downgrade+0x900/0x900
[  604.782370]  ? check_preemption_disabled+0x48/0x280
[  604.787391]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  604.792356]  ? kasan_check_read+0x11/0x20
[  604.796506]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  604.801790]  ? rcu_softirq_qs+0x20/0x20
[  604.805783]  ? filemap_map_pages+0xd92/0x1a20
[  604.810298]  ? find_get_entries_tag+0x1400/0x1400
[  604.815150]  ? debug_object_destroy+0x2b0/0x2b0
[  604.819824]  ? lock_pi_update_atomic+0x150/0x150
[  604.824587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  604.830139]  ? lock_acquire+0x1ed/0x520
[  604.834117]  ? ext4_filemap_fault+0x7a/0xad
[  604.838451]  ? lock_release+0xa00/0xa00
[  604.842426]  ? perf_trace_sched_process_exec+0x860/0x860
[  604.847878]  ? print_usage_bug+0xc0/0xc0
[  604.851941]  ? print_usage_bug+0xc0/0xc0
[  604.856016]  ? down_read+0x8d/0x120
[  604.859644]  ? ext4_filemap_fault+0x7a/0xad
[  604.863967]  ? __down_interruptible+0x700/0x700
[  604.868654]  ext4_filemap_fault+0x82/0xad
[  604.872811]  __do_fault+0x100/0x6b0
[  604.876445]  ? pmd_devmap_trans_unstable+0x220/0x220
[  604.881574]  ? mark_held_locks+0x130/0x130
[  604.885818]  ? mark_held_locks+0x130/0x130
[  604.890061]  ? debug_smp_processor_id+0x1c/0x20
[  604.894735]  ? perf_trace_lock+0x14d/0x7a0
[  604.898972]  ? lock_downgrade+0x900/0x900
[  604.903129]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  604.908676]  __handle_mm_fault+0x3ea0/0x5be0
[  604.913095]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  604.917942]  ? lock_is_held_type+0x210/0x210
[  604.922354]  ? file_remove_privs+0x540/0x540
[  604.926759]  ? file_remove_privs+0x540/0x540
[  604.931189]  ? zap_class+0x640/0x640
[  604.934904]  ? zap_class+0x640/0x640
[  604.938622]  ? __x64_sys_futex+0x53e/0x6a0
[  604.942867]  ? find_held_lock+0x36/0x1c0
[  604.946945]  ? handle_mm_fault+0x42a/0xc70
[  604.951185]  ? lock_downgrade+0x900/0x900
[  604.955336]  ? check_preemption_disabled+0x48/0x280
[  604.960358]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  604.965287]  ? kasan_check_read+0x11/0x20
[  604.969440]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  604.974718]  ? rcu_softirq_qs+0x20/0x20
[  604.978694]  ? trace_hardirqs_off_caller+0x310/0x310
[  604.983804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  604.989344]  ? check_preemption_disabled+0x48/0x280
[  604.994370]  handle_mm_fault+0x54f/0xc70
[  604.998443]  ? __handle_mm_fault+0x5be0/0x5be0
[  605.003034]  ? find_vma+0x34/0x190
[  605.006586]  __do_page_fault+0x5e8/0xe60
[  605.011165]  ? trace_hardirqs_off+0xb8/0x310
[  605.015591]  do_page_fault+0xf2/0x7e0
[  605.019395]  ? vmalloc_sync_all+0x30/0x30
[  605.023561]  ? error_entry+0x70/0xd0
[  605.027278]  ? trace_hardirqs_off_caller+0xbb/0x310
[  605.032295]  ? trace_hardirqs_on_caller+0xc0/0x310
[  605.037230]  ? syscall_return_slowpath+0x5e0/0x5e0
[  605.042162]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  605.047009]  ? trace_hardirqs_on_caller+0x310/0x310
[  605.052025]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  605.057485]  ? prepare_exit_to_usermode+0x291/0x3b0
[  605.062505]  ? page_fault+0x8/0x30
[  605.066058]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  605.070910]  ? page_fault+0x8/0x30
[  605.074464]  page_fault+0x1e/0x30
[  605.077920] RIP: 0033:0x45ddf3
[  605.081128] Code: Bad RIP value.
[  605.084494] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  605.089874] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  605.097145] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  605.104411] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  605.111682] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  605.118951] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  605.126263] warn_alloc_show_mem: 1 callbacks suppressed
[  605.126275] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  605.126278] Mem-Info:
[  605.126309] active_anon:147110 inactive_anon:190 isolated_anon:0
[  605.126309]  active_file:13 inactive_file:13 isolated_file:2
[  605.126309]  unevictable:1 dirty:0 writeback:0 unstable:0
[  605.126309]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  605.126309]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  605.126309]  free:13705 free_pcp:247 free_cma:0
[  605.131650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  605.139601] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  605.142481] Call Trace:
[  605.175524] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  605.184888]  <IRQ>
[  605.212366] lowmem_reserve[]: 0 2818 6321 6321
[  605.214964]  dump_stack+0x244/0x39d
[  605.241062] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  605.243223]  ? dump_stack_print_info.cold.1+0x20/0x20
[  605.247768] lowmem_reserve[]: 0 0 3503 3503
[  605.251403]  warn_alloc.cold.116+0xb7/0x1bd
[  605.279047] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  605.284246]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  605.288547] lowmem_reserve[]: 0 0 0 0
[  605.292875]  ? lock_downgrade+0x900/0x900
[  605.321737] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  605.326588]  ? trace_hardirqs_off+0xb8/0x310
[  605.330358] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  605.334505]  ? trace_hardirqs_off+0xb8/0x310
[  605.347994] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  605.352429]  __alloc_pages_slowpath+0x2651/0x2de0
[  605.367490] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  605.371927]  ? warn_alloc+0x120/0x120
[  605.386448] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  605.391287]  ? warn_alloc+0x120/0x120
[  605.400103] 274 total pagecache pages
[  605.403900]  ? warn_alloc+0x120/0x120
[  605.412456] 0 pages in swap cache
[  605.416244]  ? print_usage_bug+0xc0/0xc0
[  605.420026] Swap cache stats: add 0, delete 0, find 0/0
[  605.423816]  ? print_usage_bug+0xc0/0xc0
[  605.427248] Free swap  = 0kB
[  605.431305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  605.436643] Total swap = 0kB
[  605.440701]  ? check_preemption_disabled+0x48/0x280
[  605.443692] 1965979 pages RAM
[  605.449224]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  605.452209] 0 pages HighMem/MovableOnly
[  605.452219] 342854 pages reserved
[  605.457229]  ? should_fail+0x22d/0xd01
[  605.460312] 0 pages cma reserved
[  605.465842]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  605.469859] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  605.473243]  ? __lock_acquire+0x62f/0x4c20
[  605.477199] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  605.480468]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  605.485558] syz-fuzzer cpuset=/ mems_allowed=0
[  605.492041]  ? should_fail+0x22d/0xd01
[  605.520016]  ? mark_held_locks+0x130/0x130
[  605.524262]  ? mark_held_locks+0x130/0x130
[  605.528497]  ? print_usage_bug+0xc0/0xc0
[  605.532571]  ? find_held_lock+0x36/0x1c0
[  605.536636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  605.542196]  ? check_preemption_disabled+0x48/0x280
[  605.547216]  ? zap_class+0x640/0x640
[  605.550943]  ? debug_smp_processor_id+0x1c/0x20
[  605.555613]  ? perf_trace_lock+0x14d/0x7a0
[  605.559851]  ? check_preemption_disabled+0x48/0x280
[  605.564875]  ? lock_is_held_type+0x210/0x210
[  605.569286]  ? __lock_is_held+0xb5/0x140
[  605.573375]  __alloc_pages_nodemask+0xad8/0xea0
[  605.578054]  ? zap_class+0x640/0x640
[  605.581779]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  605.586810]  ? find_held_lock+0x36/0x1c0
[  605.590888]  ? ____cache_alloc_node+0x1c7/0x1e0
[  605.595566]  ? lock_downgrade+0x900/0x900
[  605.599730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  605.605278]  cache_grow_begin+0xa5/0x8c0
[  605.609347]  ? do_raw_spin_unlock+0xa7/0x330
[  605.613769]  fallback_alloc+0x204/0x2e0
[  605.617754]  ____cache_alloc_node+0x1c7/0x1e0
[  605.622258]  kmem_cache_alloc_node+0xe3/0x730
[  605.626762]  ? mark_held_locks+0xc7/0x130
[  605.630928]  __alloc_skb+0x119/0x770
[  605.634657]  ? netdev_alloc_frag+0x1f0/0x1f0
[  605.639074]  ? do_raw_spin_trylock+0x270/0x270
[  605.643664]  ? kmem_cache_alloc_trace+0x353/0x750
[  605.648516]  ? queue_work_on+0x12c/0x1e0
[  605.652604]  ? switchdev_port_obj_del+0xdc/0x440
[  605.657363]  ? switchdev_trans_item_enqueue+0x260/0x260
[  605.662734]  ? lock_is_held_type+0x210/0x210
[  605.667153]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  605.672193]  __br_mdb_notify+0x4ff/0x15d0
[  605.676360]  ? __br_mdb_add+0x7f0/0x7f0
[  605.680346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  605.685891]  ? check_preemption_disabled+0x48/0x280
[  605.690919]  ? debug_smp_processor_id+0x1c/0x20
[  605.695601]  ? perf_trace_lock+0x14d/0x7a0
[  605.699849]  ? br_multicast_group_expired+0x96/0x610
[  605.704958]  ? lock_downgrade+0x900/0x900
[  605.709119]  br_mdb_notify+0x310/0x410
[  605.713010]  ? br_mdb_dump+0x27b0/0x27b0
[  605.717082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  605.722637]  br_multicast_group_expired+0x1bc/0x610
[  605.727660]  ? br_mdb_free+0x80/0x80
[  605.731390]  call_timer_fn+0x272/0x920
[  605.735289]  ? br_mdb_free+0x80/0x80
[  605.739014]  ? process_timeout+0x40/0x40
[  605.743091]  ? __run_timers+0x7da/0xc70
[  605.747075]  ? _raw_spin_unlock_irq+0x27/0x80
[  605.751577]  ? _raw_spin_unlock_irq+0x27/0x80
[  605.756079]  ? br_mdb_free+0x80/0x80
[  605.759795]  ? lockdep_hardirqs_on+0x296/0x5b0
[  605.764385]  ? trace_hardirqs_on+0xbd/0x310
[  605.768713]  ? kasan_check_read+0x11/0x20
[  605.772865]  ? __run_timers+0x7da/0xc70
[  605.776844]  ? trace_hardirqs_off_caller+0x310/0x310
[  605.781956]  ? br_mdb_free+0x80/0x80
[  605.785685]  ? br_mdb_free+0x80/0x80
[  605.789402]  __run_timers+0x7e5/0xc70
[  605.793249]  ? timer_fixup_init+0x70/0x70
[  605.797401]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  605.802425]  ? zap_class+0x640/0x640
[  605.806145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  605.811709]  ? check_preemption_disabled+0x48/0x280
[  605.816737]  ? debug_smp_processor_id+0x1c/0x20
[  605.821410]  ? perf_trace_lock+0x14d/0x7a0
[  605.825654]  ? find_held_lock+0x36/0x1c0
[  605.829724]  ? zap_class+0x640/0x640
[  605.833449]  ? pvclock_read_flags+0x160/0x160
[  605.837955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  605.843497]  ? check_preemption_disabled+0x48/0x280
[  605.848531]  ? __lock_is_held+0xb5/0x140
[  605.852610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  605.858152]  ? check_preemption_disabled+0x48/0x280
[  605.863181]  run_timer_softirq+0x52/0xb0
[  605.867246]  ? rcu_read_lock_sched_held+0x14f/0x180
[  605.872265]  __do_softirq+0x308/0xb7e
[  605.876077]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  605.880577]  ? lock_downgrade+0x900/0x900
[  605.884738]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  605.889865]  ? pvclock_read_flags+0x160/0x160
[  605.894363]  ? lapic_next_event+0x5a/0x90
[  605.898546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  605.904094]  ? kvm_clock_read+0x18/0x30
[  605.908087]  ? kvm_sched_clock_read+0x9/0x20
[  605.912520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  605.918076]  ? check_preemption_disabled+0x48/0x280
[  605.923107]  irq_exit+0x17f/0x1c0
[  605.926575]  smp_apic_timer_interrupt+0x1cb/0x760
[  605.931419]  ? smp_reschedule_interrupt+0x109/0x650
[  605.936444]  ? smp_call_function_single_interrupt+0x650/0x650
[  605.942333]  ? interrupt_entry+0xb5/0xc0
[  605.946399]  ? trace_hardirqs_off_caller+0xbb/0x310
[  605.951418]  ? trace_hardirqs_off_caller+0xbb/0x310
[  605.956443]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  605.961290]  ? trace_hardirqs_on_caller+0x310/0x310
[  605.966305]  ? trace_hardirqs_on_caller+0x310/0x310
[  605.971328]  ? task_prio+0x50/0x50
[  605.974877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  605.980421]  ? check_preemption_disabled+0x48/0x280
[  605.985448]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  605.990303]  apic_timer_interrupt+0xf/0x20
[  605.994545]  </IRQ>
[  605.996789] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  606.001723] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  606.020626] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  606.028339] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  606.035607] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  606.042876] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  606.050146] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  606.057417] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  606.064739]  skb_clone+0x1bb/0x500
[  606.068289]  ? skb_split+0x11e0/0x11e0
[  606.072183]  ? debug_smp_processor_id+0x1c/0x20
[  606.076856]  ? perf_trace_lock+0x14d/0x7a0
[  606.081094]  ? __switch_to_asm+0x34/0x70
[  606.085173]  ? __switch_to_asm+0x40/0x70
[  606.089237]  ? __switch_to_asm+0x40/0x70
[  606.093303]  ? __switch_to_asm+0x34/0x70
[  606.097381]  bpf_clone_redirect+0xb9/0x490
[  606.101633]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  606.106581]  ? __sched_text_start+0x8/0x8
[  606.110754]  ? find_held_lock+0x36/0x1c0
[  606.114832]  ? lock_acquire+0x1ed/0x520
[  606.118808]  ? bpf_test_run+0x3cb/0x780
[  606.122801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  606.128348]  ? check_preemption_disabled+0x48/0x280
[  606.133376]  ? kasan_check_read+0x11/0x20
[  606.137531]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  606.142824]  ? rcu_softirq_qs+0x20/0x20
[  606.146803]  ? preempt_schedule+0x4d/0x60
[  606.150959]  ? ___preempt_schedule+0x16/0x18
[  606.155385]  ? bpf_test_run+0x25d/0x780
[  606.159377]  ? netlink_diag_dump+0x2a0/0x2a0
[  606.163801]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  606.169354]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  606.174124]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  606.178969]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  606.184513]  ? fput+0x130/0x1a0
[  606.187808]  ? __bpf_prog_get+0x9b/0x290
[  606.191877]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  606.196722]  ? bpf_prog_test_run+0x130/0x1a0
[  606.201138]  ? __x64_sys_bpf+0x3d8/0x520
[  606.205202]  ? bpf_prog_get+0x20/0x20
[  606.209028]  ? do_syscall_64+0x1b9/0x820
[  606.213092]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  606.218465]  ? syscall_return_slowpath+0x5e0/0x5e0
[  606.223396]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  606.228243]  ? trace_hardirqs_on_caller+0x310/0x310
[  606.233262]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  606.238282]  ? prepare_exit_to_usermode+0x291/0x3b0
[  606.243306]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  606.248164]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  606.253568] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  606.253728] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  606.260590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  606.271060] syz-executor4 cpuset=syz4 mems_allowed=0
[  606.280398] Call Trace:
[  606.288060]  <IRQ>
[  606.290219]  dump_stack+0x244/0x39d
[  606.293859]  ? dump_stack_print_info.cold.1+0x20/0x20
[  606.299065]  warn_alloc.cold.116+0xb7/0x1bd
[  606.303392]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  606.308241]  ? lock_downgrade+0x900/0x900
[  606.312399]  ? trace_hardirqs_off+0xb8/0x310
[  606.316819]  ? trace_hardirqs_off+0xb8/0x310
[  606.321239]  __alloc_pages_slowpath+0x2651/0x2de0
[  606.326118]  ? warn_alloc+0x120/0x120
[  606.329922]  ? print_usage_bug+0xc0/0xc0
[  606.333987]  ? warn_alloc+0x120/0x120
[  606.337793]  ? warn_alloc+0x120/0x120
[  606.341596]  ? print_usage_bug+0xc0/0xc0
[  606.345681]  ? kvm_clock_read+0x18/0x30
[  606.349660]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  606.354684]  ? print_usage_bug+0xc0/0xc0
[  606.358751]  ? __lock_acquire+0x62f/0x4c20
[  606.362996]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  606.368546]  ? should_fail+0x22d/0xd01
[  606.372443]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  606.377726]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  606.382835]  ? __lock_acquire+0x62f/0x4c20
[  606.387075]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  606.392180]  ? __lock_acquire+0x62f/0x4c20
[  606.396418]  ? should_fail+0x22d/0xd01
[  606.400306]  ? rcu_irq_exit+0x1a2/0x390
[  606.404292]  ? mark_held_locks+0x130/0x130
[  606.408537]  ? mark_held_locks+0x130/0x130
[  606.412792]  ? perf_trace_lock+0x14d/0x7a0
[  606.417039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  606.422583]  ? check_preemption_disabled+0x48/0x280
[  606.427601]  ? zap_class+0x640/0x640
[  606.431326]  ? debug_smp_processor_id+0x1c/0x20
[  606.435994]  ? perf_trace_lock+0x14d/0x7a0
[  606.440231]  ? check_preemption_disabled+0x48/0x280
[  606.445255]  ? lock_is_held_type+0x210/0x210
[  606.449666]  ? __lock_is_held+0xb5/0x140
[  606.453739]  __alloc_pages_nodemask+0xad8/0xea0
[  606.458410]  ? zap_class+0x640/0x640
[  606.462134]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  606.467168]  ? find_held_lock+0x36/0x1c0
[  606.471246]  ? ____cache_alloc_node+0x1c7/0x1e0
[  606.475919]  ? lock_downgrade+0x900/0x900
[  606.480081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  606.485632]  cache_grow_begin+0xa5/0x8c0
[  606.489699]  ? do_raw_spin_unlock+0xa7/0x330
[  606.494118]  fallback_alloc+0x204/0x2e0
[  606.498100]  ____cache_alloc_node+0x1c7/0x1e0
[  606.502606]  kmem_cache_alloc_node+0xe3/0x730
[  606.507107]  ? ipv6_get_ifaddr+0x42e/0x620
[  606.511354]  __alloc_skb+0x119/0x770
[  606.515066]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  606.520349]  ? netdev_alloc_frag+0x1f0/0x1f0
[  606.524762]  ? lock_downgrade+0x900/0x900
[  606.528923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  606.534463]  ? refcount_sub_and_test_checked+0x203/0x310
[  606.539918]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  606.545376]  ? addrconf_rs_timer+0x690/0x690
[  606.549798]  ndisc_alloc_skb+0x144/0x340
[  606.553868]  ndisc_send_rs+0x331/0x6e0
[  606.557765]  addrconf_rs_timer+0x314/0x690
[  606.562011]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  606.566262]  call_timer_fn+0x272/0x920
[  606.570148]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  606.574384]  ? process_timeout+0x40/0x40
[  606.578466]  ? mark_held_locks+0xc7/0x130
[  606.582620]  ? _raw_spin_unlock_irq+0x27/0x80
[  606.587117]  ? _raw_spin_unlock_irq+0x27/0x80
[  606.591611]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  606.595846]  ? lockdep_hardirqs_on+0x296/0x5b0
[  606.600431]  ? trace_hardirqs_on+0xbd/0x310
[  606.604755]  ? kasan_check_read+0x11/0x20
[  606.608908]  ? __run_timers+0x7da/0xc70
[  606.612894]  ? trace_hardirqs_off_caller+0x310/0x310
[  606.618005]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  606.622252]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  606.626486]  __run_timers+0x7e5/0xc70
[  606.630305]  ? timer_fixup_init+0x70/0x70
[  606.634462]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  606.639489]  ? zap_class+0x640/0x640
[  606.643214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  606.648755]  ? print_usage_bug+0xc0/0xc0
[  606.652824]  ? debug_smp_processor_id+0x1c/0x20
[  606.657509]  ? perf_trace_lock+0x14d/0x7a0
[  606.661768]  ? find_held_lock+0x36/0x1c0
[  606.665840]  ? zap_class+0x640/0x640
[  606.669579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  606.675127]  ? check_preemption_disabled+0x48/0x280
[  606.680159]  ? __lock_is_held+0xb5/0x140
[  606.684225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  606.689769]  ? check_preemption_disabled+0x48/0x280
[  606.694798]  run_timer_softirq+0x52/0xb0
[  606.698861]  ? rcu_read_lock_sched_held+0x14f/0x180
[  606.703880]  __do_softirq+0x308/0xb7e
[  606.707688]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  606.712182]  ? lock_downgrade+0x900/0x900
[  606.716337]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  606.721454]  ? pvclock_read_flags+0x160/0x160
[  606.725952]  ? lapic_next_event+0x5a/0x90
[  606.730108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  606.735654]  ? kvm_clock_read+0x18/0x30
[  606.739630]  ? kvm_sched_clock_read+0x9/0x20
[  606.744044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  606.749592]  ? check_preemption_disabled+0x48/0x280
[  606.754630]  irq_exit+0x17f/0x1c0
[  606.758087]  smp_apic_timer_interrupt+0x1cb/0x760
[  606.762935]  ? smp_reschedule_interrupt+0x109/0x650
[  606.767954]  ? smp_call_function_single_interrupt+0x650/0x650
[  606.773850]  ? interrupt_entry+0xb5/0xc0
[  606.777914]  ? trace_hardirqs_off_caller+0xbb/0x310
[  606.782930]  ? trace_hardirqs_off_caller+0xbb/0x310
[  606.787949]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  606.792796]  ? trace_hardirqs_on_caller+0x310/0x310
[  606.797817]  ? trace_hardirqs_on_caller+0x310/0x310
[  606.802834]  ? task_prio+0x50/0x50
[  606.806380]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  606.811922]  ? check_preemption_disabled+0x48/0x280
[  606.816951]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  606.821808]  apic_timer_interrupt+0xf/0x20
[  606.826038]  </IRQ>
[  606.828281] RIP: 0010:console_unlock+0x102f/0x1190
[  606.833216] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  606.852122] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  606.859832] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  606.867101] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  606.874370] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  606.881642] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  606.888919] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  606.896212]  ? netconsole_netdev_event+0x280/0x280
[  606.901157]  ? console_unlock+0x1026/0x1190
[  606.905502]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  606.910169]  ? vprintk_emit+0x846/0x990
[  606.914177]  ? lock_release+0xa00/0xa00
[  606.918158]  ? trace_hardirqs_on+0x30/0x310
[  606.922481]  ? vprintk_default+0x28/0x30
[  606.926560]  ? trace_hardirqs_off_caller+0x310/0x310
[  606.931674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  606.937225]  vprintk_emit+0x391/0x990
[  606.941039]  ? wake_up_klogd+0x180/0x180
[  606.945121]  ? find_held_lock+0x31/0x1c0
[  606.949198]  ? mark_held_locks+0xc7/0x130
[  606.953353]  ? _raw_spin_unlock_irq+0x27/0x80
[  606.957851]  ? _raw_spin_unlock_irq+0x27/0x80
[  606.962361]  vprintk_default+0x28/0x30
[  606.966256]  vprintk_func+0x7e/0x181
[  606.969979]  printk+0xa7/0xcf
[  606.973091]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  606.977855]  ? _raw_spin_unlock_irq+0x60/0x80
[  606.982374]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  606.987667]  dump_header+0x7cc/0xf72
[  606.991398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  606.996940]  ? check_preemption_disabled+0x48/0x280
[  607.001961]  ? pagefault_out_of_memory+0x197/0x197
[  607.006896]  ? debug_smp_processor_id+0x1c/0x20
[  607.012063]  ? perf_trace_lock+0x14d/0x7a0
[  607.016306]  ? mark_held_locks+0x130/0x130
[  607.020561]  ? lock_is_held_type+0x210/0x210
[  607.024985]  ? debug_smp_processor_id+0x1c/0x20
[  607.029657]  ? zap_class+0x640/0x640
[  607.033382]  ? lock_is_held_type+0x210/0x210
[  607.037790]  ? perf_trace_lock+0x14d/0x7a0
[  607.042040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  607.047594]  ? find_held_lock+0x36/0x1c0
[  607.051676]  ? mark_held_locks+0xc7/0x130
[  607.055829]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  607.060933]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  607.066041]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  607.070627]  ? trace_hardirqs_on+0xbd/0x310
[  607.074955]  ? kasan_check_read+0x11/0x20
[  607.079110]  ? ___ratelimit+0x3b4/0x672
[  607.083095]  ? trace_hardirqs_off_caller+0x310/0x310
[  607.088201]  ? trace_hardirqs_on+0x310/0x310
[  607.092614]  ? lock_downgrade+0x900/0x900
[  607.096775]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  607.101891]  ? ___ratelimit+0x3b9/0x672
[  607.105870]  ? idr_get_free+0xf70/0xf70
[  607.109849]  ? lock_is_held_type+0x210/0x210
[  607.114268]  oom_kill_process.cold.27+0x10/0x903
[  607.119027]  ? zap_class+0x640/0x640
[  607.122745]  ? _raw_spin_unlock+0x2c/0x50
[  607.126915]  ? oom_badness+0xe6/0xaa0
[  607.130735]  ? oom_evaluate_task+0x540/0x540
[  607.135153]  ? find_held_lock+0x36/0x1c0
[  607.139226]  ? out_of_memory+0x974/0x1430
[  607.143523]  ? lock_downgrade+0x900/0x900
[  607.147697]  ? check_preemption_disabled+0x48/0x280
[  607.152721]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  607.157651]  ? kasan_check_read+0x11/0x20
[  607.161807]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  607.167090]  ? rcu_softirq_qs+0x20/0x20
[  607.171077]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  607.176096]  ? oom_evaluate_task+0x302/0x540
[  607.180512]  out_of_memory+0xa84/0x1430
[  607.184528]  ? oom_killer_disable+0x3a0/0x3a0
[  607.189040]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  607.193975]  ? __ww_mutex_check_waiters+0x160/0x160
[  607.199005]  __alloc_pages_slowpath+0x232c/0x2de0
[  607.203884]  ? warn_alloc+0x120/0x120
[  607.207702]  ? mark_held_locks+0x130/0x130
[  607.211948]  ? find_get_entry+0xaae/0x1120
[  607.216195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  607.221735]  ? check_preemption_disabled+0x48/0x280
[  607.226752]  ? filemap_map_pages+0x1a20/0x1a20
[  607.231346]  ? debug_smp_processor_id+0x1c/0x20
[  607.236021]  ? perf_trace_lock+0x14d/0x7a0
[  607.240270]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  607.245823]  ? should_fail+0x22d/0xd01
[  607.249721]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  607.254829]  ? zap_class+0x640/0x640
[  607.258589]  ? __lock_is_held+0xb5/0x140
[  607.262664]  ? mark_held_locks+0x130/0x130
[  607.266912]  ? lock_release+0xa00/0xa00
[  607.270894]  ? perf_trace_sched_process_exec+0x860/0x860
[  607.276346]  ? xa_load+0x2ba/0x460
[  607.279887]  ? lock_downgrade+0x900/0x900
[  607.284047]  ? __might_sleep+0x95/0x190
[  607.288031]  __alloc_pages_nodemask+0xad8/0xea0
[  607.292710]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  607.297729]  ? __page_cache_alloc+0x191/0x5c0
[  607.302224]  ? xa_load+0x2e1/0x460
[  607.305770]  ? xa_clear_mark+0x40/0x40
[  607.309662]  ? zap_class+0x640/0x640
[  607.313390]  ? zap_class+0x640/0x640
[  607.317108]  ? zap_class+0x640/0x640
[  607.320824]  ? __do_page_cache_readahead+0x663/0x810
[  607.325940]  ? find_held_lock+0x36/0x1c0
[  607.330011]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  607.335571]  alloc_pages_current+0x173/0x350
[  607.339991]  __page_cache_alloc+0x38c/0x5c0
[  607.344312]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  607.349243]  ? kasan_check_read+0x11/0x20
[  607.353393]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  607.358676]  ? generic_perform_write+0x6a0/0x6a0
[  607.363466]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  607.369007]  ? check_preemption_disabled+0x48/0x280
[  607.374032]  filemap_fault+0x1595/0x25f0
[  607.378114]  ? __lock_page_or_retry+0xa00/0xa00
[  607.382789]  ? mark_held_locks+0x130/0x130
[  607.387039]  ? filemap_map_pages+0xd6b/0x1a20
[  607.391558]  ? lock_downgrade+0x900/0x900
[  607.395713]  ? check_preemption_disabled+0x48/0x280
[  607.400736]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  607.405670]  ? kasan_check_read+0x11/0x20
[  607.409819]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  607.415100]  ? rcu_softirq_qs+0x20/0x20
[  607.419094]  ? filemap_map_pages+0xd92/0x1a20
[  607.423607]  ? find_get_entries_tag+0x1400/0x1400
[  607.428455]  ? debug_object_destroy+0x2b0/0x2b0
[  607.433128]  ? lock_pi_update_atomic+0x150/0x150
[  607.437884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  607.443440]  ? lock_acquire+0x1ed/0x520
[  607.447416]  ? ext4_filemap_fault+0x7a/0xad
[  607.451751]  ? lock_release+0xa00/0xa00
[  607.455725]  ? perf_trace_sched_process_exec+0x860/0x860
[  607.461177]  ? print_usage_bug+0xc0/0xc0
[  607.465239]  ? print_usage_bug+0xc0/0xc0
[  607.469319]  ? down_read+0x8d/0x120
[  607.472943]  ? ext4_filemap_fault+0x7a/0xad
[  607.477268]  ? __down_interruptible+0x700/0x700
[  607.481950]  ext4_filemap_fault+0x82/0xad
[  607.486105]  __do_fault+0x100/0x6b0
[  607.489739]  ? pmd_devmap_trans_unstable+0x220/0x220
[  607.494852]  ? mark_held_locks+0x130/0x130
[  607.499092]  ? mark_held_locks+0x130/0x130
[  607.503336]  ? debug_smp_processor_id+0x1c/0x20
[  607.508008]  ? perf_trace_lock+0x14d/0x7a0
[  607.512245]  ? lock_downgrade+0x900/0x900
[  607.516400]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  607.521943]  __handle_mm_fault+0x3ea0/0x5be0
[  607.526362]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  607.531210]  ? lock_is_held_type+0x210/0x210
[  607.535652]  ? file_remove_privs+0x540/0x540
[  607.540056]  ? file_remove_privs+0x540/0x540
[  607.544483]  ? zap_class+0x640/0x640
[  607.548196]  ? zap_class+0x640/0x640
[  607.551913]  ? __x64_sys_futex+0x53e/0x6a0
[  607.556153]  ? find_held_lock+0x36/0x1c0
[  607.560230]  ? handle_mm_fault+0x42a/0xc70
[  607.564469]  ? lock_downgrade+0x900/0x900
[  607.568618]  ? check_preemption_disabled+0x48/0x280
[  607.573644]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  607.578588]  ? kasan_check_read+0x11/0x20
[  607.582735]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  607.588017]  ? rcu_softirq_qs+0x20/0x20
[  607.592051]  ? trace_hardirqs_off_caller+0x310/0x310
[  607.597158]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  607.602699]  ? check_preemption_disabled+0x48/0x280
[  607.607724]  handle_mm_fault+0x54f/0xc70
[  607.611795]  ? __handle_mm_fault+0x5be0/0x5be0
[  607.616387]  ? find_vma+0x34/0x190
[  607.619940]  __do_page_fault+0x5e8/0xe60
[  607.624003]  ? trace_hardirqs_off+0xb8/0x310
[  607.628423]  do_page_fault+0xf2/0x7e0
[  607.632230]  ? vmalloc_sync_all+0x30/0x30
[  607.636384]  ? error_entry+0x70/0xd0
[  607.640101]  ? trace_hardirqs_off_caller+0xbb/0x310
[  607.645119]  ? trace_hardirqs_on_caller+0xc0/0x310
[  607.650067]  ? syscall_return_slowpath+0x5e0/0x5e0
[  607.655025]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  607.659870]  ? trace_hardirqs_on_caller+0x310/0x310
[  607.664885]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  607.670346]  ? prepare_exit_to_usermode+0x291/0x3b0
[  607.675419]  ? page_fault+0x8/0x30
[  607.678963]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  607.683811]  ? page_fault+0x8/0x30
[  607.687377]  page_fault+0x1e/0x30
[  607.690828] RIP: 0033:0x45ddf3
[  607.694030] Code: Bad RIP value.
[  607.697395] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  607.702754] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  607.710022] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  607.717291] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  607.724570] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  607.731839] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  607.739142] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  607.739148] warn_alloc_show_mem: 1 callbacks suppressed
[  607.739156] Mem-Info:
[  607.746520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  607.751895] active_anon:147110 inactive_anon:190 isolated_anon:0
[  607.751895]  active_file:13 inactive_file:13 isolated_file:2
[  607.751895]  unevictable:1 dirty:0 writeback:0 unstable:0
[  607.751895]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  607.751895]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  607.751895]  free:13705 free_pcp:247 free_cma:0
[  607.754267] Call Trace:
[  607.763673] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  607.796700]  <IRQ>
[  607.799270] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  607.826766]  dump_stack+0x244/0x39d
[  607.828890] lowmem_reserve[]: 0 2818 6321 6321
[  607.855001]  ? dump_stack_print_info.cold.1+0x20/0x20
[  607.858596] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  607.863183]  warn_alloc.cold.116+0xb7/0x1bd
[  607.868338] lowmem_reserve[]: 0 0 3503 3503
[  607.896011]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  607.900310] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  607.904631]  ? lock_downgrade+0x900/0x900
[  607.909448] lowmem_reserve[]: 0 0 0 0
[  607.938339]  ? trace_hardirqs_off+0xb8/0x310
[  607.942458] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  607.946261]  ? trace_hardirqs_off+0xb8/0x310
[  607.950642] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  607.964171]  __alloc_pages_slowpath+0x2651/0x2de0
[  607.968557] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  607.983678]  ? warn_alloc+0x120/0x120
[  607.988490] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  608.003047]  ? warn_alloc+0x120/0x120
[  608.006822] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  608.015650]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  608.019424] 274 total pagecache pages
[  608.027994]  ? warn_alloc+0x120/0x120
[  608.032992] 0 pages in swap cache
[  608.036779]  ? print_usage_bug+0xc0/0xc0
[  608.040577] Swap cache stats: add 0, delete 0, find 0/0
[  608.044022]  ? print_usage_bug+0xc0/0xc0
[  608.048090] Free swap  = 0kB
[  608.053446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  608.057483] Total swap = 0kB
[  608.060503]  ? check_preemption_disabled+0x48/0x280
[  608.066011] 1965979 pages RAM
[  608.069033]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  608.074024] 0 pages HighMem/MovableOnly
[  608.077124]  ? should_fail+0x22d/0xd01
[  608.082641] 342854 pages reserved
[  608.086614]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  608.090477] 0 pages cma reserved
[  608.093926]  ? __lock_acquire+0x62f/0x4c20
[  608.099087] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  608.102366]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  608.106684] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  608.113076]  ? should_fail+0x22d/0xd01
[  608.118156] syz-fuzzer cpuset=/ mems_allowed=0
[  608.128382]  ? mark_held_locks+0x130/0x130
[  608.141074]  ? mark_held_locks+0x130/0x130
[  608.145311]  ? print_usage_bug+0xc0/0xc0
[  608.149384]  ? find_held_lock+0x36/0x1c0
[  608.153449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  608.158995]  ? check_preemption_disabled+0x48/0x280
[  608.164015]  ? zap_class+0x640/0x640
[  608.167740]  ? debug_smp_processor_id+0x1c/0x20
[  608.172409]  ? perf_trace_lock+0x14d/0x7a0
[  608.176650]  ? check_preemption_disabled+0x48/0x280
[  608.181680]  ? lock_is_held_type+0x210/0x210
[  608.186092]  ? __lock_is_held+0xb5/0x140
[  608.190163]  __alloc_pages_nodemask+0xad8/0xea0
[  608.194836]  ? zap_class+0x640/0x640
[  608.198567]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  608.203607]  ? find_held_lock+0x36/0x1c0
[  608.207685]  ? ____cache_alloc_node+0x1c7/0x1e0
[  608.212363]  ? lock_downgrade+0x900/0x900
[  608.216522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  608.222090]  cache_grow_begin+0xa5/0x8c0
[  608.226157]  ? do_raw_spin_unlock+0xa7/0x330
[  608.230584]  fallback_alloc+0x204/0x2e0
[  608.234575]  ____cache_alloc_node+0x1c7/0x1e0
[  608.239083]  kmem_cache_alloc_node+0xe3/0x730
[  608.243584]  ? mark_held_locks+0xc7/0x130
[  608.247747]  __alloc_skb+0x119/0x770
[  608.251468]  ? netdev_alloc_frag+0x1f0/0x1f0
[  608.255880]  ? do_raw_spin_trylock+0x270/0x270
[  608.260466]  ? kmem_cache_alloc_trace+0x353/0x750
[  608.265314]  ? queue_work_on+0x12c/0x1e0
[  608.269384]  ? switchdev_port_obj_del+0xdc/0x440
[  608.274148]  ? switchdev_trans_item_enqueue+0x260/0x260
[  608.279516]  ? lock_is_held_type+0x210/0x210
[  608.283941]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  608.288968]  __br_mdb_notify+0x4ff/0x15d0
[  608.293136]  ? __br_mdb_add+0x7f0/0x7f0
[  608.297124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  608.302666]  ? check_preemption_disabled+0x48/0x280
[  608.307694]  ? debug_smp_processor_id+0x1c/0x20
[  608.312367]  ? perf_trace_lock+0x14d/0x7a0
[  608.316613]  ? br_multicast_group_expired+0x96/0x610
[  608.321719]  ? lock_downgrade+0x900/0x900
[  608.325890]  br_mdb_notify+0x310/0x410
[  608.329786]  ? br_mdb_dump+0x27b0/0x27b0
[  608.333859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  608.339414]  br_multicast_group_expired+0x1bc/0x610
[  608.344438]  ? br_mdb_free+0x80/0x80
[  608.348172]  call_timer_fn+0x272/0x920
[  608.352067]  ? br_mdb_free+0x80/0x80
[  608.355788]  ? process_timeout+0x40/0x40
[  608.359858]  ? __run_timers+0x7da/0xc70
[  608.363836]  ? _raw_spin_unlock_irq+0x27/0x80
[  608.368333]  ? _raw_spin_unlock_irq+0x27/0x80
[  608.372835]  ? br_mdb_free+0x80/0x80
[  608.376559]  ? lockdep_hardirqs_on+0x296/0x5b0
[  608.381153]  ? trace_hardirqs_on+0xbd/0x310
[  608.385477]  ? kasan_check_read+0x11/0x20
[  608.389626]  ? __run_timers+0x7da/0xc70
[  608.393609]  ? trace_hardirqs_off_caller+0x310/0x310
[  608.398720]  ? br_mdb_free+0x80/0x80
[  608.402445]  ? br_mdb_free+0x80/0x80
[  608.406159]  __run_timers+0x7e5/0xc70
[  608.409972]  ? timer_fixup_init+0x70/0x70
[  608.414128]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  608.419147]  ? zap_class+0x640/0x640
[  608.422867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  608.428412]  ? check_preemption_disabled+0x48/0x280
[  608.433440]  ? debug_smp_processor_id+0x1c/0x20
[  608.438117]  ? perf_trace_lock+0x14d/0x7a0
[  608.442363]  ? find_held_lock+0x36/0x1c0
[  608.446437]  ? zap_class+0x640/0x640
[  608.450160]  ? pvclock_read_flags+0x160/0x160
[  608.454660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  608.460204]  ? check_preemption_disabled+0x48/0x280
[  608.465236]  ? __lock_is_held+0xb5/0x140
[  608.469304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  608.474847]  ? check_preemption_disabled+0x48/0x280
[  608.479875]  run_timer_softirq+0x52/0xb0
[  608.483944]  ? rcu_read_lock_sched_held+0x14f/0x180
[  608.488967]  __do_softirq+0x308/0xb7e
[  608.492776]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  608.497276]  ? lock_downgrade+0x900/0x900
[  608.501435]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  608.506562]  ? pvclock_read_flags+0x160/0x160
[  608.511070]  ? lapic_next_event+0x5a/0x90
[  608.515224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  608.520774]  ? kvm_clock_read+0x18/0x30
[  608.524754]  ? kvm_sched_clock_read+0x9/0x20
[  608.529170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  608.534720]  ? check_preemption_disabled+0x48/0x280
[  608.539753]  irq_exit+0x17f/0x1c0
[  608.543215]  smp_apic_timer_interrupt+0x1cb/0x760
[  608.548063]  ? smp_reschedule_interrupt+0x109/0x650
[  608.553085]  ? smp_call_function_single_interrupt+0x650/0x650
[  608.558976]  ? interrupt_entry+0xb5/0xc0
[  608.563042]  ? trace_hardirqs_off_caller+0xbb/0x310
[  608.568068]  ? trace_hardirqs_off_caller+0xbb/0x310
[  608.573087]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  608.577937]  ? trace_hardirqs_on_caller+0x310/0x310
[  608.582955]  ? trace_hardirqs_on_caller+0x310/0x310
[  608.587978]  ? task_prio+0x50/0x50
[  608.591525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  608.597078]  ? check_preemption_disabled+0x48/0x280
[  608.602103]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  608.606961]  apic_timer_interrupt+0xf/0x20
[  608.611191]  </IRQ>
[  608.613436] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  608.618371] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  608.637369] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  608.645085] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  608.652359] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  608.659632] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  608.666904] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  608.674173] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  608.681495]  skb_clone+0x1bb/0x500
[  608.685046]  ? skb_split+0x11e0/0x11e0
[  608.688948]  ? debug_smp_processor_id+0x1c/0x20
[  608.693620]  ? perf_trace_lock+0x14d/0x7a0
[  608.697864]  ? __switch_to_asm+0x34/0x70
[  608.701929]  ? __switch_to_asm+0x40/0x70
[  608.705993]  ? __switch_to_asm+0x40/0x70
[  608.710058]  ? __switch_to_asm+0x34/0x70
[  608.714136]  bpf_clone_redirect+0xb9/0x490
[  608.718382]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  608.723326]  ? __sched_text_start+0x8/0x8
[  608.727492]  ? find_held_lock+0x36/0x1c0
[  608.731574]  ? lock_acquire+0x1ed/0x520
[  608.735561]  ? bpf_test_run+0x3cb/0x780
[  608.739553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  608.745098]  ? check_preemption_disabled+0x48/0x280
[  608.750124]  ? kasan_check_read+0x11/0x20
[  608.754277]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  608.759577]  ? rcu_softirq_qs+0x20/0x20
[  608.763564]  ? preempt_schedule+0x4d/0x60
[  608.767721]  ? ___preempt_schedule+0x16/0x18
[  608.772142]  ? bpf_test_run+0x25d/0x780
[  608.776132]  ? netlink_diag_dump+0x2a0/0x2a0
[  608.780556]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  608.786106]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  608.790879]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  608.795723]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  608.801355]  ? fput+0x130/0x1a0
[  608.804651]  ? __bpf_prog_get+0x9b/0x290
[  608.808718]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  608.814175]  ? bpf_prog_test_run+0x130/0x1a0
[  608.818594]  ? __x64_sys_bpf+0x3d8/0x520
[  608.822656]  ? bpf_prog_get+0x20/0x20
[  608.826485]  ? do_syscall_64+0x1b9/0x820
[  608.830559]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  608.835929]  ? syscall_return_slowpath+0x5e0/0x5e0
[  608.840859]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  608.845707]  ? trace_hardirqs_on_caller+0x310/0x310
[  608.850731]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  608.855752]  ? prepare_exit_to_usermode+0x291/0x3b0
[  608.860785]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  608.865643]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  608.871035] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  608.871224] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  608.878063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  608.888536] syz-executor4 cpuset=syz4 mems_allowed=0
[  608.897894] Call Trace:
[  608.905564]  <IRQ>
[  608.907727]  dump_stack+0x244/0x39d
[  608.911360]  ? dump_stack_print_info.cold.1+0x20/0x20
[  608.916578]  warn_alloc.cold.116+0xb7/0x1bd
[  608.920909]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  608.925760]  ? lock_downgrade+0x900/0x900
[  608.929918]  ? trace_hardirqs_off+0xb8/0x310
[  608.934338]  ? trace_hardirqs_off+0xb8/0x310
[  608.938759]  __alloc_pages_slowpath+0x2651/0x2de0
[  608.943637]  ? warn_alloc+0x120/0x120
[  608.947444]  ? print_usage_bug+0xc0/0xc0
[  608.951512]  ? warn_alloc+0x120/0x120
[  608.955329]  ? warn_alloc+0x120/0x120
[  608.959132]  ? print_usage_bug+0xc0/0xc0
[  608.963200]  ? kvm_clock_read+0x18/0x30
[  608.967180]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  608.972204]  ? print_usage_bug+0xc0/0xc0
[  608.976272]  ? __lock_acquire+0x62f/0x4c20
[  608.980519]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  608.986078]  ? should_fail+0x22d/0xd01
[  608.989965]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  608.995249]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  609.000355]  ? __lock_acquire+0x62f/0x4c20
[  609.004600]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  609.010218]  ? __lock_acquire+0x62f/0x4c20
[  609.014454]  ? should_fail+0x22d/0xd01
[  609.018344]  ? rcu_irq_exit+0x1a2/0x390
[  609.022335]  ? mark_held_locks+0x130/0x130
[  609.026585]  ? mark_held_locks+0x130/0x130
[  609.030826]  ? perf_trace_lock+0x14d/0x7a0
[  609.035071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  609.040620]  ? check_preemption_disabled+0x48/0x280
[  609.045639]  ? zap_class+0x640/0x640
[  609.049365]  ? debug_smp_processor_id+0x1c/0x20
[  609.054038]  ? perf_trace_lock+0x14d/0x7a0
[  609.058276]  ? check_preemption_disabled+0x48/0x280
[  609.063307]  ? lock_is_held_type+0x210/0x210
[  609.067722]  ? __lock_is_held+0xb5/0x140
[  609.071801]  __alloc_pages_nodemask+0xad8/0xea0
[  609.076476]  ? zap_class+0x640/0x640
[  609.080198]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  609.085235]  ? find_held_lock+0x36/0x1c0
[  609.089309]  ? ____cache_alloc_node+0x1c7/0x1e0
[  609.093997]  ? lock_downgrade+0x900/0x900
[  609.098160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  609.103709]  cache_grow_begin+0xa5/0x8c0
[  609.107788]  ? do_raw_spin_unlock+0xa7/0x330
[  609.112207]  fallback_alloc+0x204/0x2e0
[  609.116192]  ____cache_alloc_node+0x1c7/0x1e0
[  609.120700]  kmem_cache_alloc_node+0xe3/0x730
[  609.125204]  ? ipv6_get_ifaddr+0x42e/0x620
[  609.129457]  __alloc_skb+0x119/0x770
[  609.133175]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  609.138473]  ? netdev_alloc_frag+0x1f0/0x1f0
[  609.143007]  ? lock_downgrade+0x900/0x900
[  609.147191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  609.152731]  ? refcount_sub_and_test_checked+0x203/0x310
[  609.158189]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  609.163642]  ? addrconf_rs_timer+0x690/0x690
[  609.168067]  ndisc_alloc_skb+0x144/0x340
[  609.172141]  ndisc_send_rs+0x331/0x6e0
[  609.176037]  addrconf_rs_timer+0x314/0x690
[  609.180280]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  609.184533]  call_timer_fn+0x272/0x920
[  609.188450]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  609.192689]  ? process_timeout+0x40/0x40
[  609.196763]  ? mark_held_locks+0xc7/0x130
[  609.200918]  ? _raw_spin_unlock_irq+0x27/0x80
[  609.205412]  ? _raw_spin_unlock_irq+0x27/0x80
[  609.209910]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  609.214151]  ? lockdep_hardirqs_on+0x296/0x5b0
[  609.218742]  ? trace_hardirqs_on+0xbd/0x310
[  609.223066]  ? kasan_check_read+0x11/0x20
[  609.227217]  ? __run_timers+0x7da/0xc70
[  609.231223]  ? trace_hardirqs_off_caller+0x310/0x310
[  609.236333]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  609.240585]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  609.244819]  __run_timers+0x7e5/0xc70
[  609.248632]  ? timer_fixup_init+0x70/0x70
[  609.252783]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  609.257802]  ? zap_class+0x640/0x640
[  609.261521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  609.267067]  ? print_usage_bug+0xc0/0xc0
[  609.271141]  ? debug_smp_processor_id+0x1c/0x20
[  609.275814]  ? perf_trace_lock+0x14d/0x7a0
[  609.280063]  ? find_held_lock+0x36/0x1c0
[  609.284128]  ? zap_class+0x640/0x640
[  609.287848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  609.293390]  ? check_preemption_disabled+0x48/0x280
[  609.298418]  ? __lock_is_held+0xb5/0x140
[  609.302482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  609.308020]  ? check_preemption_disabled+0x48/0x280
[  609.313046]  run_timer_softirq+0x52/0xb0
[  609.317109]  ? rcu_read_lock_sched_held+0x14f/0x180
[  609.322130]  __do_softirq+0x308/0xb7e
[  609.325936]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  609.330431]  ? lock_downgrade+0x900/0x900
[  609.334595]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  609.339710]  ? pvclock_read_flags+0x160/0x160
[  609.344228]  ? lapic_next_event+0x5a/0x90
[  609.348383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  609.353928]  ? kvm_clock_read+0x18/0x30
[  609.357903]  ? kvm_sched_clock_read+0x9/0x20
[  609.362316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  609.367856]  ? check_preemption_disabled+0x48/0x280
[  609.372887]  irq_exit+0x17f/0x1c0
[  609.376345]  smp_apic_timer_interrupt+0x1cb/0x760
[  609.381187]  ? smp_reschedule_interrupt+0x109/0x650
[  609.386209]  ? smp_call_function_single_interrupt+0x650/0x650
[  609.392126]  ? interrupt_entry+0xb5/0xc0
[  609.396194]  ? trace_hardirqs_off_caller+0xbb/0x310
[  609.401296]  ? trace_hardirqs_off_caller+0xbb/0x310
[  609.406314]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  609.411158]  ? trace_hardirqs_on_caller+0x310/0x310
[  609.416186]  ? trace_hardirqs_on_caller+0x310/0x310
[  609.421205]  ? task_prio+0x50/0x50
[  609.424748]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  609.430291]  ? check_preemption_disabled+0x48/0x280
[  609.435318]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  609.440173]  apic_timer_interrupt+0xf/0x20
[  609.444405]  </IRQ>
[  609.446644] RIP: 0010:console_unlock+0x102f/0x1190
[  609.451587] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  609.470485] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  609.478198] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  609.485470] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  609.492752] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  609.500020] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  609.507288] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  609.514580]  ? netconsole_netdev_event+0x280/0x280
[  609.519526]  ? console_unlock+0x1026/0x1190
[  609.523895]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  609.528576]  ? vprintk_emit+0x846/0x990
[  609.532568]  ? lock_release+0xa00/0xa00
[  609.536564]  ? trace_hardirqs_on+0x30/0x310
[  609.540887]  ? vprintk_default+0x28/0x30
[  609.544952]  ? trace_hardirqs_off_caller+0x310/0x310
[  609.550088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  609.555634]  vprintk_emit+0x391/0x990
[  609.559448]  ? wake_up_klogd+0x180/0x180
[  609.563522]  ? find_held_lock+0x31/0x1c0
[  609.567612]  ? mark_held_locks+0xc7/0x130
[  609.571768]  ? _raw_spin_unlock_irq+0x27/0x80
[  609.576265]  ? _raw_spin_unlock_irq+0x27/0x80
[  609.580773]  vprintk_default+0x28/0x30
[  609.584667]  vprintk_func+0x7e/0x181
[  609.588383]  printk+0xa7/0xcf
[  609.591490]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  609.596251]  ? _raw_spin_unlock_irq+0x60/0x80
[  609.600760]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  609.606049]  dump_header+0x7cc/0xf72
[  609.609773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  609.615318]  ? check_preemption_disabled+0x48/0x280
[  609.620342]  ? pagefault_out_of_memory+0x197/0x197
[  609.625274]  ? debug_smp_processor_id+0x1c/0x20
[  609.629946]  ? perf_trace_lock+0x14d/0x7a0
[  609.634184]  ? mark_held_locks+0x130/0x130
[  609.638423]  ? lock_is_held_type+0x210/0x210
[  609.642842]  ? debug_smp_processor_id+0x1c/0x20
[  609.647513]  ? zap_class+0x640/0x640
[  609.651246]  ? lock_is_held_type+0x210/0x210
[  609.655657]  ? perf_trace_lock+0x14d/0x7a0
[  609.659901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  609.665447]  ? find_held_lock+0x36/0x1c0
[  609.669524]  ? mark_held_locks+0xc7/0x130
[  609.673688]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  609.678789]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  609.683905]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  609.688491]  ? trace_hardirqs_on+0xbd/0x310
[  609.692817]  ? kasan_check_read+0x11/0x20
[  609.696967]  ? ___ratelimit+0x3b4/0x672
[  609.700945]  ? trace_hardirqs_off_caller+0x310/0x310
[  609.706051]  ? trace_hardirqs_on+0x310/0x310
[  609.710461]  ? lock_downgrade+0x900/0x900
[  609.714618]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  609.719724]  ? ___ratelimit+0x3b9/0x672
[  609.723704]  ? idr_get_free+0xf70/0xf70
[  609.727683]  ? lock_is_held_type+0x210/0x210
[  609.732104]  oom_kill_process.cold.27+0x10/0x903
[  609.736862]  ? zap_class+0x640/0x640
[  609.740585]  ? _raw_spin_unlock+0x2c/0x50
[  609.744734]  ? oom_badness+0xe6/0xaa0
[  609.748560]  ? oom_evaluate_task+0x540/0x540
[  609.752977]  ? find_held_lock+0x36/0x1c0
[  609.757060]  ? out_of_memory+0x974/0x1430
[  609.761216]  ? lock_downgrade+0x900/0x900
[  609.765367]  ? check_preemption_disabled+0x48/0x280
[  609.770387]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  609.775322]  ? kasan_check_read+0x11/0x20
[  609.779476]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  609.784756]  ? rcu_softirq_qs+0x20/0x20
[  609.788737]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  609.793753]  ? oom_evaluate_task+0x302/0x540
[  609.798170]  out_of_memory+0xa84/0x1430
[  609.802158]  ? oom_killer_disable+0x3a0/0x3a0
[  609.806658]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  609.811605]  ? __ww_mutex_check_waiters+0x160/0x160
[  609.816640]  __alloc_pages_slowpath+0x232c/0x2de0
[  609.821518]  ? warn_alloc+0x120/0x120
[  609.825330]  ? mark_held_locks+0x130/0x130
[  609.829586]  ? find_get_entry+0xaae/0x1120
[  609.833832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  609.839374]  ? check_preemption_disabled+0x48/0x280
[  609.844393]  ? filemap_map_pages+0x1a20/0x1a20
[  609.848985]  ? debug_smp_processor_id+0x1c/0x20
[  609.853657]  ? perf_trace_lock+0x14d/0x7a0
[  609.857905]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  609.863446]  ? should_fail+0x22d/0xd01
[  609.867343]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  609.872455]  ? zap_class+0x640/0x640
[  609.876205]  ? __lock_is_held+0xb5/0x140
[  609.880281]  ? mark_held_locks+0x130/0x130
[  609.884520]  ? lock_release+0xa00/0xa00
[  609.888508]  ? perf_trace_sched_process_exec+0x860/0x860
[  609.893971]  ? xa_load+0x2ba/0x460
[  609.897519]  ? lock_downgrade+0x900/0x900
[  609.901688]  ? __might_sleep+0x95/0x190
[  609.905673]  __alloc_pages_nodemask+0xad8/0xea0
[  609.910351]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  609.915370]  ? __page_cache_alloc+0x191/0x5c0
[  609.919868]  ? xa_load+0x2e1/0x460
[  609.923413]  ? xa_clear_mark+0x40/0x40
[  609.927306]  ? zap_class+0x640/0x640
[  609.931030]  ? zap_class+0x640/0x640
[  609.934748]  ? zap_class+0x640/0x640
[  609.938464]  ? __do_page_cache_readahead+0x663/0x810
[  609.943588]  ? find_held_lock+0x36/0x1c0
[  609.947661]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  609.953207]  alloc_pages_current+0x173/0x350
[  609.957628]  __page_cache_alloc+0x38c/0x5c0
[  609.961949]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  609.966883]  ? kasan_check_read+0x11/0x20
[  609.971036]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  609.976318]  ? generic_perform_write+0x6a0/0x6a0
[  609.981080]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  609.986621]  ? check_preemption_disabled+0x48/0x280
[  609.991650]  filemap_fault+0x1595/0x25f0
[  609.995729]  ? __lock_page_or_retry+0xa00/0xa00
[  610.000409]  ? mark_held_locks+0x130/0x130
[  610.004662]  ? filemap_map_pages+0xd6b/0x1a20
[  610.009597]  ? lock_downgrade+0x900/0x900
[  610.013747]  ? check_preemption_disabled+0x48/0x280
[  610.018770]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  610.023705]  ? kasan_check_read+0x11/0x20
[  610.027858]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  610.033140]  ? rcu_softirq_qs+0x20/0x20
[  610.037135]  ? filemap_map_pages+0xd92/0x1a20
[  610.041648]  ? find_get_entries_tag+0x1400/0x1400
[  610.046497]  ? debug_object_destroy+0x2b0/0x2b0
[  610.051173]  ? lock_pi_update_atomic+0x150/0x150
[  610.055934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  610.061491]  ? lock_acquire+0x1ed/0x520
[  610.065482]  ? ext4_filemap_fault+0x7a/0xad
[  610.069861]  ? lock_release+0xa00/0xa00
[  610.073835]  ? perf_trace_sched_process_exec+0x860/0x860
[  610.079291]  ? print_usage_bug+0xc0/0xc0
[  610.083356]  ? print_usage_bug+0xc0/0xc0
[  610.087435]  ? down_read+0x8d/0x120
[  610.091060]  ? ext4_filemap_fault+0x7a/0xad
[  610.095399]  ? __down_interruptible+0x700/0x700
[  610.100080]  ext4_filemap_fault+0x82/0xad
[  610.104232]  __do_fault+0x100/0x6b0
[  610.107868]  ? pmd_devmap_trans_unstable+0x220/0x220
[  610.112975]  ? mark_held_locks+0x130/0x130
[  610.117213]  ? mark_held_locks+0x130/0x130
[  610.121455]  ? debug_smp_processor_id+0x1c/0x20
[  610.126132]  ? perf_trace_lock+0x14d/0x7a0
[  610.130379]  ? lock_downgrade+0x900/0x900
[  610.134537]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  610.140103]  __handle_mm_fault+0x3ea0/0x5be0
[  610.144563]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  610.149422]  ? lock_is_held_type+0x210/0x210
[  610.153834]  ? file_remove_privs+0x540/0x540
[  610.158242]  ? file_remove_privs+0x540/0x540
[  610.162673]  ? zap_class+0x640/0x640
[  610.166390]  ? zap_class+0x640/0x640
[  610.170109]  ? __x64_sys_futex+0x53e/0x6a0
[  610.174354]  ? find_held_lock+0x36/0x1c0
[  610.178430]  ? handle_mm_fault+0x42a/0xc70
[  610.182668]  ? lock_downgrade+0x900/0x900
[  610.186817]  ? check_preemption_disabled+0x48/0x280
[  610.191844]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  610.196777]  ? kasan_check_read+0x11/0x20
[  610.200927]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  610.206208]  ? rcu_softirq_qs+0x20/0x20
[  610.210195]  ? trace_hardirqs_off_caller+0x310/0x310
[  610.215300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  610.220843]  ? check_preemption_disabled+0x48/0x280
[  610.225879]  handle_mm_fault+0x54f/0xc70
[  610.229948]  ? __handle_mm_fault+0x5be0/0x5be0
[  610.234539]  ? find_vma+0x34/0x190
[  610.238108]  __do_page_fault+0x5e8/0xe60
[  610.242171]  ? trace_hardirqs_off+0xb8/0x310
[  610.246599]  do_page_fault+0xf2/0x7e0
[  610.250405]  ? vmalloc_sync_all+0x30/0x30
[  610.254570]  ? error_entry+0x70/0xd0
[  610.258288]  ? trace_hardirqs_off_caller+0xbb/0x310
[  610.263306]  ? trace_hardirqs_on_caller+0xc0/0x310
[  610.268240]  ? syscall_return_slowpath+0x5e0/0x5e0
[  610.273186]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  610.278047]  ? trace_hardirqs_on_caller+0x310/0x310
[  610.283067]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  610.288529]  ? prepare_exit_to_usermode+0x291/0x3b0
[  610.293580]  ? page_fault+0x8/0x30
[  610.297130]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  610.301978]  ? page_fault+0x8/0x30
[  610.305525]  page_fault+0x1e/0x30
[  610.308997] RIP: 0033:0x45ddf3
[  610.312200] Code: Bad RIP value.
[  610.315574] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  610.320938] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  610.328208] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  610.335489] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  610.342759] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  610.350029] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  610.357329] warn_alloc_show_mem: 1 callbacks suppressed
[  610.357342] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  610.357344] Mem-Info:
[  610.357376] active_anon:147110 inactive_anon:190 isolated_anon:0
[  610.357376]  active_file:13 inactive_file:13 isolated_file:2
[  610.357376]  unevictable:1 dirty:0 writeback:0 unstable:0
[  610.357376]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  610.357376]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  610.357376]  free:13705 free_pcp:247 free_cma:0
[  610.362721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  610.370094] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  610.372513] Call Trace:
[  610.405584] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  610.414932]  <IRQ>
[  610.442409] lowmem_reserve[]: 0 2818 6321 6321
[  610.445006]  dump_stack+0x244/0x39d
[  610.471090] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  610.473249]  ? dump_stack_print_info.cold.1+0x20/0x20
[  610.477798] lowmem_reserve[]: 0 0 3503 3503
[  610.481432]  warn_alloc.cold.116+0xb7/0x1bd
[  610.509073] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  610.514271]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  610.518578] lowmem_reserve[]: 0 0 0 0
[  610.522898]  ? lock_downgrade+0x900/0x900
[  610.552369] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  610.557212]  ? trace_hardirqs_off+0xb8/0x310
[  610.560978] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  610.565137]  ? trace_hardirqs_off+0xb8/0x310
[  610.578632] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  610.583041]  __alloc_pages_slowpath+0x2651/0x2de0
[  610.598104] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  610.602528]  ? warn_alloc+0x120/0x120
[  610.617045] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  610.621881]  ? warn_alloc+0x120/0x120
[  610.630692] 274 total pagecache pages
[  610.634492]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  610.643047] 0 pages in swap cache
[  610.646841]  ? warn_alloc+0x120/0x120
[  610.650620] Swap cache stats: add 0, delete 0, find 0/0
[  610.655626]  ? print_usage_bug+0xc0/0xc0
[  610.659053] Free swap  = 0kB
[  610.662878]  ? print_usage_bug+0xc0/0xc0
[  610.668220] Total swap = 0kB
[  610.672279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  610.675276] 1965979 pages RAM
[  610.679335]  ? check_preemption_disabled+0x48/0x280
[  610.682327] 0 pages HighMem/MovableOnly
[  610.687864]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  610.690945] 342854 pages reserved
[  610.695955]  ? should_fail+0x22d/0xd01
[  610.699903] 0 pages cma reserved
[  610.705434]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  610.708940] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  610.712751]  ? __lock_acquire+0x62f/0x4c20
[  610.716185] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  610.721191]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  610.727661] syz-fuzzer cpuset=/ mems_allowed=0
[  610.731894]  ? should_fail+0x22d/0xd01
[  610.755640]  ? mark_held_locks+0x130/0x130
[  610.759882]  ? mark_held_locks+0x130/0x130
[  610.764130]  ? print_usage_bug+0xc0/0xc0
[  610.768198]  ? find_held_lock+0x36/0x1c0
[  610.772268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  610.777814]  ? check_preemption_disabled+0x48/0x280
[  610.782828]  ? zap_class+0x640/0x640
[  610.786559]  ? debug_smp_processor_id+0x1c/0x20
[  610.791234]  ? perf_trace_lock+0x14d/0x7a0
[  610.795470]  ? check_preemption_disabled+0x48/0x280
[  610.800499]  ? lock_is_held_type+0x210/0x210
[  610.804915]  ? __lock_is_held+0xb5/0x140
[  610.808991]  __alloc_pages_nodemask+0xad8/0xea0
[  610.813662]  ? zap_class+0x640/0x640
[  610.817386]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  610.822416]  ? find_held_lock+0x36/0x1c0
[  610.826489]  ? ____cache_alloc_node+0x1c7/0x1e0
[  610.831160]  ? lock_downgrade+0x900/0x900
[  610.835322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  610.840871]  cache_grow_begin+0xa5/0x8c0
[  610.844936]  ? do_raw_spin_unlock+0xa7/0x330
[  610.849363]  fallback_alloc+0x204/0x2e0
[  610.853347]  ____cache_alloc_node+0x1c7/0x1e0
[  610.857857]  kmem_cache_alloc_node+0xe3/0x730
[  610.862356]  ? mark_held_locks+0xc7/0x130
[  610.866522]  __alloc_skb+0x119/0x770
[  610.870254]  ? netdev_alloc_frag+0x1f0/0x1f0
[  610.874663]  ? do_raw_spin_trylock+0x270/0x270
[  610.879250]  ? kmem_cache_alloc_trace+0x353/0x750
[  610.884100]  ? queue_work_on+0x12c/0x1e0
[  610.888171]  ? switchdev_port_obj_del+0xdc/0x440
[  610.892933]  ? switchdev_trans_item_enqueue+0x260/0x260
[  610.898300]  ? lock_is_held_type+0x210/0x210
[  610.902715]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  610.907747]  __br_mdb_notify+0x4ff/0x15d0
[  610.911911]  ? __br_mdb_add+0x7f0/0x7f0
[  610.915893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  610.921436]  ? check_preemption_disabled+0x48/0x280
[  610.926470]  ? debug_smp_processor_id+0x1c/0x20
[  610.931143]  ? perf_trace_lock+0x14d/0x7a0
[  610.935393]  ? br_multicast_group_expired+0x96/0x610
[  610.940505]  ? lock_downgrade+0x900/0x900
[  610.944670]  br_mdb_notify+0x310/0x410
[  610.948574]  ? br_mdb_dump+0x27b0/0x27b0
[  610.952647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  610.958209]  br_multicast_group_expired+0x1bc/0x610
[  610.963236]  ? br_mdb_free+0x80/0x80
[  610.966965]  call_timer_fn+0x272/0x920
[  610.970858]  ? br_mdb_free+0x80/0x80
[  610.974583]  ? process_timeout+0x40/0x40
[  610.978661]  ? __run_timers+0x7da/0xc70
[  610.982639]  ? _raw_spin_unlock_irq+0x27/0x80
[  610.987137]  ? _raw_spin_unlock_irq+0x27/0x80
[  610.991633]  ? br_mdb_free+0x80/0x80
[  610.995352]  ? lockdep_hardirqs_on+0x296/0x5b0
[  610.999941]  ? trace_hardirqs_on+0xbd/0x310
[  611.004264]  ? kasan_check_read+0x11/0x20
[  611.008410]  ? __run_timers+0x7da/0xc70
[  611.012567]  ? trace_hardirqs_off_caller+0x310/0x310
[  611.017686]  ? br_mdb_free+0x80/0x80
[  611.021413]  ? br_mdb_free+0x80/0x80
[  611.025129]  __run_timers+0x7e5/0xc70
[  611.028947]  ? timer_fixup_init+0x70/0x70
[  611.033104]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  611.038126]  ? zap_class+0x640/0x640
[  611.041844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.047388]  ? check_preemption_disabled+0x48/0x280
[  611.052416]  ? debug_smp_processor_id+0x1c/0x20
[  611.057086]  ? perf_trace_lock+0x14d/0x7a0
[  611.061327]  ? find_held_lock+0x36/0x1c0
[  611.065398]  ? zap_class+0x640/0x640
[  611.069123]  ? pvclock_read_flags+0x160/0x160
[  611.073626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.079174]  ? check_preemption_disabled+0x48/0x280
[  611.084210]  ? __lock_is_held+0xb5/0x140
[  611.088289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.093831]  ? check_preemption_disabled+0x48/0x280
[  611.098861]  run_timer_softirq+0x52/0xb0
[  611.102932]  ? rcu_read_lock_sched_held+0x14f/0x180
[  611.107970]  __do_softirq+0x308/0xb7e
[  611.111781]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  611.116279]  ? lock_downgrade+0x900/0x900
[  611.120449]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  611.125587]  ? pvclock_read_flags+0x160/0x160
[  611.130098]  ? lapic_next_event+0x5a/0x90
[  611.134255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.139804]  ? kvm_clock_read+0x18/0x30
[  611.144247]  ? kvm_sched_clock_read+0x9/0x20
[  611.148665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.154210]  ? check_preemption_disabled+0x48/0x280
[  611.159244]  irq_exit+0x17f/0x1c0
[  611.162705]  smp_apic_timer_interrupt+0x1cb/0x760
[  611.167559]  ? smp_reschedule_interrupt+0x109/0x650
[  611.172587]  ? smp_call_function_single_interrupt+0x650/0x650
[  611.178478]  ? interrupt_entry+0xb5/0xc0
[  611.182556]  ? trace_hardirqs_off_caller+0xbb/0x310
[  611.187587]  ? trace_hardirqs_off_caller+0xbb/0x310
[  611.192612]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  611.197458]  ? trace_hardirqs_on_caller+0x310/0x310
[  611.202474]  ? trace_hardirqs_on_caller+0x310/0x310
[  611.207491]  ? task_prio+0x50/0x50
[  611.211039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.216585]  ? check_preemption_disabled+0x48/0x280
[  611.221616]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  611.226473]  apic_timer_interrupt+0xf/0x20
[  611.230724]  </IRQ>
[  611.232966] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  611.237900] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  611.256803] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  611.264514] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  611.271789] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  611.279066] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  611.286339] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  611.293618] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  611.300932]  skb_clone+0x1bb/0x500
[  611.304482]  ? skb_split+0x11e0/0x11e0
[  611.308380]  ? debug_smp_processor_id+0x1c/0x20
[  611.313061]  ? perf_trace_lock+0x14d/0x7a0
[  611.317297]  ? __switch_to_asm+0x34/0x70
[  611.321357]  ? __switch_to_asm+0x40/0x70
[  611.325422]  ? __switch_to_asm+0x40/0x70
[  611.329482]  ? __switch_to_asm+0x34/0x70
[  611.333565]  bpf_clone_redirect+0xb9/0x490
[  611.337818]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  611.342752]  ? __sched_text_start+0x8/0x8
[  611.346921]  ? find_held_lock+0x36/0x1c0
[  611.350994]  ? lock_acquire+0x1ed/0x520
[  611.354975]  ? bpf_test_run+0x3cb/0x780
[  611.358954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.364494]  ? check_preemption_disabled+0x48/0x280
[  611.369524]  ? kasan_check_read+0x11/0x20
[  611.373684]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  611.378964]  ? rcu_softirq_qs+0x20/0x20
[  611.382947]  ? preempt_schedule+0x4d/0x60
[  611.387115]  ? ___preempt_schedule+0x16/0x18
[  611.391538]  ? bpf_test_run+0x25d/0x780
[  611.395551]  ? netlink_diag_dump+0x2a0/0x2a0
[  611.399967]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  611.405514]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  611.410290]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  611.415138]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  611.420679]  ? fput+0x130/0x1a0
[  611.423968]  ? __bpf_prog_get+0x9b/0x290
[  611.428040]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  611.432893]  ? bpf_prog_test_run+0x130/0x1a0
[  611.437307]  ? __x64_sys_bpf+0x3d8/0x520
[  611.441370]  ? bpf_prog_get+0x20/0x20
[  611.445207]  ? do_syscall_64+0x1b9/0x820
[  611.449268]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  611.454640]  ? syscall_return_slowpath+0x5e0/0x5e0
[  611.459577]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  611.464428]  ? trace_hardirqs_on_caller+0x310/0x310
[  611.469447]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  611.474471]  ? prepare_exit_to_usermode+0x291/0x3b0
[  611.479500]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  611.484358]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  611.489747] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  611.489912] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  611.496779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  611.507256] syz-executor4 cpuset=syz4 mems_allowed=0
[  611.516600] Call Trace:
[  611.524258]  <IRQ>
[  611.526424]  dump_stack+0x244/0x39d
[  611.530057]  ? dump_stack_print_info.cold.1+0x20/0x20
[  611.535269]  warn_alloc.cold.116+0xb7/0x1bd
[  611.539605]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  611.544454]  ? lock_downgrade+0x900/0x900
[  611.548619]  ? trace_hardirqs_off+0xb8/0x310
[  611.553040]  ? trace_hardirqs_off+0xb8/0x310
[  611.557464]  __alloc_pages_slowpath+0x2651/0x2de0
[  611.562345]  ? warn_alloc+0x120/0x120
[  611.566153]  ? print_usage_bug+0xc0/0xc0
[  611.570219]  ? warn_alloc+0x120/0x120
[  611.574027]  ? warn_alloc+0x120/0x120
[  611.577830]  ? print_usage_bug+0xc0/0xc0
[  611.581898]  ? kvm_clock_read+0x18/0x30
[  611.585877]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  611.590896]  ? print_usage_bug+0xc0/0xc0
[  611.594963]  ? __lock_acquire+0x62f/0x4c20
[  611.599205]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  611.604745]  ? should_fail+0x22d/0xd01
[  611.608648]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  611.613930]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  611.619051]  ? __lock_acquire+0x62f/0x4c20
[  611.623291]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  611.628393]  ? __lock_acquire+0x62f/0x4c20
[  611.632629]  ? should_fail+0x22d/0xd01
[  611.636519]  ? rcu_irq_exit+0x1a2/0x390
[  611.640516]  ? mark_held_locks+0x130/0x130
[  611.644770]  ? mark_held_locks+0x130/0x130
[  611.649011]  ? perf_trace_lock+0x14d/0x7a0
[  611.653260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.658802]  ? check_preemption_disabled+0x48/0x280
[  611.663821]  ? zap_class+0x640/0x640
[  611.667550]  ? debug_smp_processor_id+0x1c/0x20
[  611.672230]  ? perf_trace_lock+0x14d/0x7a0
[  611.676464]  ? check_preemption_disabled+0x48/0x280
[  611.681493]  ? lock_is_held_type+0x210/0x210
[  611.685907]  ? __lock_is_held+0xb5/0x140
[  611.689976]  __alloc_pages_nodemask+0xad8/0xea0
[  611.694649]  ? zap_class+0x640/0x640
[  611.698370]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  611.703402]  ? find_held_lock+0x36/0x1c0
[  611.707489]  ? ____cache_alloc_node+0x1c7/0x1e0
[  611.712165]  ? lock_downgrade+0x900/0x900
[  611.716327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.721874]  cache_grow_begin+0xa5/0x8c0
[  611.725937]  ? do_raw_spin_unlock+0xa7/0x330
[  611.730355]  fallback_alloc+0x204/0x2e0
[  611.734340]  ____cache_alloc_node+0x1c7/0x1e0
[  611.738845]  kmem_cache_alloc_node+0xe3/0x730
[  611.743350]  ? ipv6_get_ifaddr+0x42e/0x620
[  611.747599]  __alloc_skb+0x119/0x770
[  611.751316]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  611.756602]  ? netdev_alloc_frag+0x1f0/0x1f0
[  611.761012]  ? lock_downgrade+0x900/0x900
[  611.765177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.770716]  ? refcount_sub_and_test_checked+0x203/0x310
[  611.776176]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  611.781644]  ? addrconf_rs_timer+0x690/0x690
[  611.786068]  ndisc_alloc_skb+0x144/0x340
[  611.790141]  ndisc_send_rs+0x331/0x6e0
[  611.794039]  addrconf_rs_timer+0x314/0x690
[  611.798286]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  611.802539]  call_timer_fn+0x272/0x920
[  611.806449]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  611.810688]  ? process_timeout+0x40/0x40
[  611.814761]  ? mark_held_locks+0xc7/0x130
[  611.818928]  ? _raw_spin_unlock_irq+0x27/0x80
[  611.823435]  ? _raw_spin_unlock_irq+0x27/0x80
[  611.827933]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  611.832176]  ? lockdep_hardirqs_on+0x296/0x5b0
[  611.836760]  ? trace_hardirqs_on+0xbd/0x310
[  611.841083]  ? kasan_check_read+0x11/0x20
[  611.845250]  ? __run_timers+0x7da/0xc70
[  611.849227]  ? trace_hardirqs_off_caller+0x310/0x310
[  611.854336]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  611.858594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  611.862827]  __run_timers+0x7e5/0xc70
[  611.866642]  ? timer_fixup_init+0x70/0x70
[  611.870798]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  611.875817]  ? zap_class+0x640/0x640
[  611.879536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.885091]  ? print_usage_bug+0xc0/0xc0
[  611.889159]  ? debug_smp_processor_id+0x1c/0x20
[  611.893830]  ? perf_trace_lock+0x14d/0x7a0
[  611.898075]  ? find_held_lock+0x36/0x1c0
[  611.902146]  ? zap_class+0x640/0x640
[  611.905867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.911409]  ? check_preemption_disabled+0x48/0x280
[  611.916443]  ? __lock_is_held+0xb5/0x140
[  611.920508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.926064]  ? check_preemption_disabled+0x48/0x280
[  611.931090]  run_timer_softirq+0x52/0xb0
[  611.935152]  ? rcu_read_lock_sched_held+0x14f/0x180
[  611.940178]  __do_softirq+0x308/0xb7e
[  611.943988]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  611.948482]  ? lock_downgrade+0x900/0x900
[  611.952641]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  611.957757]  ? pvclock_read_flags+0x160/0x160
[  611.962264]  ? lapic_next_event+0x5a/0x90
[  611.966417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.971961]  ? kvm_clock_read+0x18/0x30
[  611.975936]  ? kvm_sched_clock_read+0x9/0x20
[  611.980354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.985898]  ? check_preemption_disabled+0x48/0x280
[  611.990929]  irq_exit+0x17f/0x1c0
[  611.994398]  smp_apic_timer_interrupt+0x1cb/0x760
[  611.999240]  ? smp_reschedule_interrupt+0x109/0x650
[  612.004265]  ? smp_call_function_single_interrupt+0x650/0x650
[  612.010155]  ? interrupt_entry+0xb5/0xc0
[  612.014224]  ? trace_hardirqs_off_caller+0xbb/0x310
[  612.019244]  ? trace_hardirqs_off_caller+0xbb/0x310
[  612.024262]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  612.029107]  ? trace_hardirqs_on_caller+0x310/0x310
[  612.034130]  ? trace_hardirqs_on_caller+0x310/0x310
[  612.039148]  ? task_prio+0x50/0x50
[  612.042691]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  612.048234]  ? check_preemption_disabled+0x48/0x280
[  612.053260]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  612.058116]  apic_timer_interrupt+0xf/0x20
[  612.062344]  </IRQ>
[  612.064585] RIP: 0010:console_unlock+0x102f/0x1190
[  612.069519] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  612.088437] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  612.096151] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  612.103419] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  612.110691] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  612.117963] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  612.125234] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  612.132515]  ? netconsole_netdev_event+0x280/0x280
[  612.137472]  ? console_unlock+0x1026/0x1190
[  612.141815]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  612.146484]  ? vprintk_emit+0x846/0x990
[  612.150471]  ? lock_release+0xa00/0xa00
[  612.154451]  ? trace_hardirqs_on+0x30/0x310
[  612.158775]  ? vprintk_default+0x28/0x30
[  612.162845]  ? trace_hardirqs_off_caller+0x310/0x310
[  612.167953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.173502]  vprintk_emit+0x391/0x990
[  612.177313]  ? wake_up_klogd+0x180/0x180
[  612.181388]  ? find_held_lock+0x31/0x1c0
[  612.185463]  ? mark_held_locks+0xc7/0x130
[  612.189614]  ? _raw_spin_unlock_irq+0x27/0x80
[  612.194108]  ? _raw_spin_unlock_irq+0x27/0x80
[  612.198614]  vprintk_default+0x28/0x30
[  612.202505]  vprintk_func+0x7e/0x181
[  612.206226]  printk+0xa7/0xcf
[  612.209337]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  612.214101]  ? _raw_spin_unlock_irq+0x60/0x80
[  612.218618]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  612.223909]  dump_header+0x7cc/0xf72
[  612.227633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.233174]  ? check_preemption_disabled+0x48/0x280
[  612.238197]  ? pagefault_out_of_memory+0x197/0x197
[  612.243129]  ? debug_smp_processor_id+0x1c/0x20
[  612.247808]  ? perf_trace_lock+0x14d/0x7a0
[  612.252063]  ? mark_held_locks+0x130/0x130
[  612.256304]  ? lock_is_held_type+0x210/0x210
[  612.260721]  ? debug_smp_processor_id+0x1c/0x20
[  612.265393]  ? zap_class+0x640/0x640
[  612.269117]  ? lock_is_held_type+0x210/0x210
[  612.273526]  ? perf_trace_lock+0x14d/0x7a0
[  612.277784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.283330]  ? find_held_lock+0x36/0x1c0
[  612.287406]  ? mark_held_locks+0xc7/0x130
[  612.291580]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  612.296685]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  612.301794]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  612.306380]  ? trace_hardirqs_on+0xbd/0x310
[  612.310703]  ? kasan_check_read+0x11/0x20
[  612.314854]  ? ___ratelimit+0x3b4/0x672
[  612.318830]  ? trace_hardirqs_off_caller+0x310/0x310
[  612.323937]  ? trace_hardirqs_on+0x310/0x310
[  612.328355]  ? lock_downgrade+0x900/0x900
[  612.332513]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  612.337634]  ? ___ratelimit+0x3b9/0x672
[  612.341611]  ? idr_get_free+0xf70/0xf70
[  612.345594]  ? lock_is_held_type+0x210/0x210
[  612.350016]  oom_kill_process.cold.27+0x10/0x903
[  612.354774]  ? zap_class+0x640/0x640
[  612.358496]  ? _raw_spin_unlock+0x2c/0x50
[  612.362646]  ? oom_badness+0xe6/0xaa0
[  612.366459]  ? oom_evaluate_task+0x540/0x540
[  612.370872]  ? find_held_lock+0x36/0x1c0
[  612.374944]  ? out_of_memory+0x974/0x1430
[  612.379098]  ? lock_downgrade+0x900/0x900
[  612.383252]  ? check_preemption_disabled+0x48/0x280
[  612.388275]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  612.393207]  ? kasan_check_read+0x11/0x20
[  612.397361]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  612.402645]  ? rcu_softirq_qs+0x20/0x20
[  612.406626]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  612.411644]  ? oom_evaluate_task+0x302/0x540
[  612.416063]  out_of_memory+0xa84/0x1430
[  612.420053]  ? oom_killer_disable+0x3a0/0x3a0
[  612.424564]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  612.429504]  ? __ww_mutex_check_waiters+0x160/0x160
[  612.434541]  __alloc_pages_slowpath+0x232c/0x2de0
[  612.439435]  ? warn_alloc+0x120/0x120
[  612.443237]  ? mark_held_locks+0x130/0x130
[  612.447484]  ? find_get_entry+0xaae/0x1120
[  612.451729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.457270]  ? check_preemption_disabled+0x48/0x280
[  612.462285]  ? filemap_map_pages+0x1a20/0x1a20
[  612.466873]  ? debug_smp_processor_id+0x1c/0x20
[  612.471561]  ? perf_trace_lock+0x14d/0x7a0
[  612.475817]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  612.481359]  ? should_fail+0x22d/0xd01
[  612.485268]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  612.490372]  ? zap_class+0x640/0x640
[  612.494118]  ? __lock_is_held+0xb5/0x140
[  612.498189]  ? mark_held_locks+0x130/0x130
[  612.502431]  ? lock_release+0xa00/0xa00
[  612.506413]  ? perf_trace_sched_process_exec+0x860/0x860
[  612.511867]  ? xa_load+0x2ba/0x460
[  612.515487]  ? lock_downgrade+0x900/0x900
[  612.519644]  ? __might_sleep+0x95/0x190
[  612.523628]  __alloc_pages_nodemask+0xad8/0xea0
[  612.528324]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  612.533346]  ? __page_cache_alloc+0x191/0x5c0
[  612.537854]  ? xa_load+0x2e1/0x460
[  612.541397]  ? xa_clear_mark+0x40/0x40
[  612.545288]  ? zap_class+0x640/0x640
[  612.549016]  ? zap_class+0x640/0x640
[  612.552735]  ? zap_class+0x640/0x640
[  612.556449]  ? __do_page_cache_readahead+0x663/0x810
[  612.561571]  ? find_held_lock+0x36/0x1c0
[  612.565642]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  612.571188]  alloc_pages_current+0x173/0x350
[  612.575611]  __page_cache_alloc+0x38c/0x5c0
[  612.579934]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  612.584866]  ? kasan_check_read+0x11/0x20
[  612.589016]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  612.594297]  ? generic_perform_write+0x6a0/0x6a0
[  612.599067]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  612.604613]  ? check_preemption_disabled+0x48/0x280
[  612.609639]  filemap_fault+0x1595/0x25f0
[  612.613763]  ? __lock_page_or_retry+0xa00/0xa00
[  612.618438]  ? mark_held_locks+0x130/0x130
[  612.622709]  ? filemap_map_pages+0xd6b/0x1a20
[  612.627208]  ? lock_downgrade+0x900/0x900
[  612.631367]  ? check_preemption_disabled+0x48/0x280
[  612.636390]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  612.641324]  ? kasan_check_read+0x11/0x20
[  612.645481]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  612.650767]  ? rcu_softirq_qs+0x20/0x20
[  612.654762]  ? filemap_map_pages+0xd92/0x1a20
[  612.659274]  ? find_get_entries_tag+0x1400/0x1400
[  612.664126]  ? debug_object_destroy+0x2b0/0x2b0
[  612.668807]  ? lock_pi_update_atomic+0x150/0x150
[  612.673587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.679171]  ? lock_acquire+0x1ed/0x520
[  612.683150]  ? ext4_filemap_fault+0x7a/0xad
[  612.687494]  ? lock_release+0xa00/0xa00
[  612.691485]  ? perf_trace_sched_process_exec+0x860/0x860
[  612.696951]  ? print_usage_bug+0xc0/0xc0
[  612.701014]  ? print_usage_bug+0xc0/0xc0
[  612.705095]  ? down_read+0x8d/0x120
[  612.708721]  ? ext4_filemap_fault+0x7a/0xad
[  612.713044]  ? __down_interruptible+0x700/0x700
[  612.717728]  ext4_filemap_fault+0x82/0xad
[  612.721880]  __do_fault+0x100/0x6b0
[  612.725514]  ? pmd_devmap_trans_unstable+0x220/0x220
[  612.730636]  ? mark_held_locks+0x130/0x130
[  612.734873]  ? mark_held_locks+0x130/0x130
[  612.739116]  ? debug_smp_processor_id+0x1c/0x20
[  612.743790]  ? perf_trace_lock+0x14d/0x7a0
[  612.748039]  ? lock_downgrade+0x900/0x900
[  612.752192]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  612.757732]  __handle_mm_fault+0x3ea0/0x5be0
[  612.762154]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  612.767003]  ? lock_is_held_type+0x210/0x210
[  612.771416]  ? file_remove_privs+0x540/0x540
[  612.775819]  ? file_remove_privs+0x540/0x540
[  612.780258]  ? zap_class+0x640/0x640
[  612.783969]  ? zap_class+0x640/0x640
[  612.787680]  ? __x64_sys_futex+0x53e/0x6a0
[  612.791925]  ? find_held_lock+0x36/0x1c0
[  612.796018]  ? handle_mm_fault+0x42a/0xc70
[  612.800273]  ? lock_downgrade+0x900/0x900
[  612.804439]  ? check_preemption_disabled+0x48/0x280
[  612.809461]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  612.814407]  ? kasan_check_read+0x11/0x20
[  612.818572]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  612.823907]  ? rcu_softirq_qs+0x20/0x20
[  612.827908]  ? trace_hardirqs_off_caller+0x310/0x310
[  612.833016]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  612.838581]  ? check_preemption_disabled+0x48/0x280
[  612.843623]  handle_mm_fault+0x54f/0xc70
[  612.847688]  ? __handle_mm_fault+0x5be0/0x5be0
[  612.852289]  ? find_vma+0x34/0x190
[  612.855840]  __do_page_fault+0x5e8/0xe60
[  612.859904]  ? trace_hardirqs_off+0xb8/0x310
[  612.864337]  do_page_fault+0xf2/0x7e0
[  612.868157]  ? vmalloc_sync_all+0x30/0x30
[  612.872304]  ? error_entry+0x70/0xd0
[  612.876018]  ? trace_hardirqs_off_caller+0xbb/0x310
[  612.881031]  ? trace_hardirqs_on_caller+0xc0/0x310
[  612.885960]  ? syscall_return_slowpath+0x5e0/0x5e0
[  612.890906]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  612.895752]  ? trace_hardirqs_on_caller+0x310/0x310
[  612.900774]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  612.906231]  ? prepare_exit_to_usermode+0x291/0x3b0
[  612.911292]  ? page_fault+0x8/0x30
[  612.914869]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  612.919731]  ? page_fault+0x8/0x30
[  612.923278]  page_fault+0x1e/0x30
[  612.926731] RIP: 0033:0x45ddf3
[  612.929939] Code: Bad RIP value.
[  612.933334] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  612.938695] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  612.945965] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  612.953233] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  612.960502] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  612.967772] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  612.975063] warn_alloc_show_mem: 1 callbacks suppressed
[  612.975075] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  612.975078] Mem-Info:
[  612.975109] active_anon:147110 inactive_anon:190 isolated_anon:0
[  612.975109]  active_file:13 inactive_file:13 isolated_file:2
[  612.975109]  unevictable:1 dirty:0 writeback:0 unstable:0
[  612.975109]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  612.975109]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  612.975109]  free:13705 free_pcp:247 free_cma:0
[  612.980448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  612.987829] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  612.990227] Call Trace:
[  613.023764] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  613.033126]  <IRQ>
[  613.060652] lowmem_reserve[]: 0 2818 6321 6321
[  613.063239]  dump_stack+0x244/0x39d
[  613.089319] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  613.091494]  ? dump_stack_print_info.cold.1+0x20/0x20
[  613.096061] lowmem_reserve[]: 0 0 3503 3503
[  613.099702]  warn_alloc.cold.116+0xb7/0x1bd
[  613.127338] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  613.132524]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  613.136821] lowmem_reserve[]: 0 0 0 0
[  613.141647]  ? lock_downgrade+0x900/0x900
[  613.170507] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  613.175350]  ? trace_hardirqs_off+0xb8/0x310
[  613.179126] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  613.183273]  ? trace_hardirqs_off+0xb8/0x310
[  613.196771] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  613.201183]  __alloc_pages_slowpath+0x2651/0x2de0
[  613.216244] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  613.220675]  ? warn_alloc+0x120/0x120
[  613.235189] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  613.240025]  ? warn_alloc+0x120/0x120
[  613.248836] 274 total pagecache pages
[  613.252646]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  613.261205] 0 pages in swap cache
[  613.265009]  ? warn_alloc+0x120/0x120
[  613.268794] Swap cache stats: add 0, delete 0, find 0/0
[  613.273818]  ? print_usage_bug+0xc0/0xc0
[  613.277245] Free swap  = 0kB
[  613.281038]  ? print_usage_bug+0xc0/0xc0
[  613.286391] Total swap = 0kB
[  613.290444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.293436] 1965979 pages RAM
[  613.297494]  ? check_preemption_disabled+0x48/0x280
[  613.300486] 0 pages HighMem/MovableOnly
[  613.306020]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  613.309101] 342854 pages reserved
[  613.314143]  ? should_fail+0x22d/0xd01
[  613.318108] 0 pages cma reserved
[  613.323640]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  613.327130] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  613.330948]  ? __lock_acquire+0x62f/0x4c20
[  613.334368] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  613.339387]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  613.345871] syz-fuzzer cpuset=/ mems_allowed=0
[  613.350117]  ? should_fail+0x22d/0xd01
[  613.373862]  ? mark_held_locks+0x130/0x130
[  613.378104]  ? mark_held_locks+0x130/0x130
[  613.382337]  ? print_usage_bug+0xc0/0xc0
[  613.386408]  ? find_held_lock+0x36/0x1c0
[  613.390474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.396025]  ? check_preemption_disabled+0x48/0x280
[  613.401045]  ? zap_class+0x640/0x640
[  613.404786]  ? debug_smp_processor_id+0x1c/0x20
[  613.409455]  ? perf_trace_lock+0x14d/0x7a0
[  613.413693]  ? check_preemption_disabled+0x48/0x280
[  613.418720]  ? lock_is_held_type+0x210/0x210
[  613.423148]  ? __lock_is_held+0xb5/0x140
[  613.427215]  __alloc_pages_nodemask+0xad8/0xea0
[  613.431886]  ? zap_class+0x640/0x640
[  613.435615]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  613.440664]  ? find_held_lock+0x36/0x1c0
[  613.444795]  ? ____cache_alloc_node+0x1c7/0x1e0
[  613.449493]  ? lock_downgrade+0x900/0x900
[  613.453667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.459216]  cache_grow_begin+0xa5/0x8c0
[  613.463277]  ? do_raw_spin_unlock+0xa7/0x330
[  613.467709]  fallback_alloc+0x204/0x2e0
[  613.471696]  ____cache_alloc_node+0x1c7/0x1e0
[  613.476214]  kmem_cache_alloc_node+0xe3/0x730
[  613.480709]  ? mark_held_locks+0xc7/0x130
[  613.484868]  __alloc_skb+0x119/0x770
[  613.488595]  ? netdev_alloc_frag+0x1f0/0x1f0
[  613.493019]  ? do_raw_spin_trylock+0x270/0x270
[  613.497604]  ? kmem_cache_alloc_trace+0x353/0x750
[  613.502453]  ? queue_work_on+0x12c/0x1e0
[  613.506525]  ? switchdev_port_obj_del+0xdc/0x440
[  613.511298]  ? switchdev_trans_item_enqueue+0x260/0x260
[  613.516669]  ? lock_is_held_type+0x210/0x210
[  613.521085]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  613.526115]  __br_mdb_notify+0x4ff/0x15d0
[  613.530285]  ? __br_mdb_add+0x7f0/0x7f0
[  613.534270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.539833]  ? check_preemption_disabled+0x48/0x280
[  613.544860]  ? debug_smp_processor_id+0x1c/0x20
[  613.549533]  ? perf_trace_lock+0x14d/0x7a0
[  613.553792]  ? br_multicast_group_expired+0x96/0x610
[  613.558897]  ? lock_downgrade+0x900/0x900
[  613.563062]  br_mdb_notify+0x310/0x410
[  613.566957]  ? br_mdb_dump+0x27b0/0x27b0
[  613.571031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.576596]  br_multicast_group_expired+0x1bc/0x610
[  613.581625]  ? br_mdb_free+0x80/0x80
[  613.585357]  call_timer_fn+0x272/0x920
[  613.589249]  ? br_mdb_free+0x80/0x80
[  613.592967]  ? process_timeout+0x40/0x40
[  613.597046]  ? __run_timers+0x7da/0xc70
[  613.601033]  ? _raw_spin_unlock_irq+0x27/0x80
[  613.605534]  ? _raw_spin_unlock_irq+0x27/0x80
[  613.610045]  ? br_mdb_free+0x80/0x80
[  613.613769]  ? lockdep_hardirqs_on+0x296/0x5b0
[  613.618356]  ? trace_hardirqs_on+0xbd/0x310
[  613.622677]  ? kasan_check_read+0x11/0x20
[  613.626826]  ? __run_timers+0x7da/0xc70
[  613.630806]  ? trace_hardirqs_off_caller+0x310/0x310
[  613.635933]  ? br_mdb_free+0x80/0x80
[  613.639655]  ? br_mdb_free+0x80/0x80
[  613.643400]  __run_timers+0x7e5/0xc70
[  613.647212]  ? timer_fixup_init+0x70/0x70
[  613.651361]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  613.656377]  ? zap_class+0x640/0x640
[  613.660097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.665636]  ? check_preemption_disabled+0x48/0x280
[  613.670663]  ? debug_smp_processor_id+0x1c/0x20
[  613.675332]  ? perf_trace_lock+0x14d/0x7a0
[  613.679578]  ? find_held_lock+0x36/0x1c0
[  613.683651]  ? zap_class+0x640/0x640
[  613.687392]  ? pvclock_read_flags+0x160/0x160
[  613.691894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.697438]  ? check_preemption_disabled+0x48/0x280
[  613.702481]  ? __lock_is_held+0xb5/0x140
[  613.706587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.712131]  ? check_preemption_disabled+0x48/0x280
[  613.717154]  run_timer_softirq+0x52/0xb0
[  613.721217]  ? rcu_read_lock_sched_held+0x14f/0x180
[  613.726236]  __do_softirq+0x308/0xb7e
[  613.730041]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  613.734553]  ? lock_downgrade+0x900/0x900
[  613.738713]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  613.743826]  ? pvclock_read_flags+0x160/0x160
[  613.748327]  ? lapic_next_event+0x5a/0x90
[  613.752478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.758032]  ? kvm_clock_read+0x18/0x30
[  613.762011]  ? kvm_sched_clock_read+0x9/0x20
[  613.766424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.771996]  ? check_preemption_disabled+0x48/0x280
[  613.777045]  irq_exit+0x17f/0x1c0
[  613.780517]  smp_apic_timer_interrupt+0x1cb/0x760
[  613.785380]  ? smp_reschedule_interrupt+0x109/0x650
[  613.790399]  ? smp_call_function_single_interrupt+0x650/0x650
[  613.796308]  ? interrupt_entry+0xb5/0xc0
[  613.800378]  ? trace_hardirqs_off_caller+0xbb/0x310
[  613.805392]  ? trace_hardirqs_off_caller+0xbb/0x310
[  613.810409]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  613.815271]  ? trace_hardirqs_on_caller+0x310/0x310
[  613.820286]  ? trace_hardirqs_on_caller+0x310/0x310
[  613.825304]  ? task_prio+0x50/0x50
[  613.828849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.834392]  ? check_preemption_disabled+0x48/0x280
[  613.839431]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  613.844302]  apic_timer_interrupt+0xf/0x20
[  613.848530]  </IRQ>
[  613.850799] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  613.855728] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  613.874627] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  613.882336] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  613.889603] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  613.896883] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  613.904147] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  613.911415] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  613.918725]  skb_clone+0x1bb/0x500
[  613.922275]  ? skb_split+0x11e0/0x11e0
[  613.926167]  ? debug_smp_processor_id+0x1c/0x20
[  613.930853]  ? perf_trace_lock+0x14d/0x7a0
[  613.935096]  ? __switch_to_asm+0x34/0x70
[  613.939158]  ? __switch_to_asm+0x40/0x70
[  613.943221]  ? __switch_to_asm+0x40/0x70
[  613.947284]  ? __switch_to_asm+0x34/0x70
[  613.951357]  bpf_clone_redirect+0xb9/0x490
[  613.955608]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  613.960551]  ? __sched_text_start+0x8/0x8
[  613.964723]  ? find_held_lock+0x36/0x1c0
[  613.968796]  ? lock_acquire+0x1ed/0x520
[  613.972771]  ? bpf_test_run+0x3cb/0x780
[  613.976750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.982290]  ? check_preemption_disabled+0x48/0x280
[  613.987331]  ? kasan_check_read+0x11/0x20
[  613.991478]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  613.996755]  ? rcu_softirq_qs+0x20/0x20
[  614.000749]  ? preempt_schedule+0x4d/0x60
[  614.004943]  ? ___preempt_schedule+0x16/0x18
[  614.009392]  ? bpf_test_run+0x25d/0x780
[  614.013393]  ? netlink_diag_dump+0x2a0/0x2a0
[  614.017808]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  614.023355]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  614.028126]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  614.032967]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  614.038506]  ? fput+0x130/0x1a0
[  614.041797]  ? __bpf_prog_get+0x9b/0x290
[  614.045863]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  614.050709]  ? bpf_prog_test_run+0x130/0x1a0
[  614.055122]  ? __x64_sys_bpf+0x3d8/0x520
[  614.059185]  ? bpf_prog_get+0x20/0x20
[  614.063024]  ? do_syscall_64+0x1b9/0x820
[  614.067102]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  614.072467]  ? syscall_return_slowpath+0x5e0/0x5e0
[  614.077411]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  614.082260]  ? trace_hardirqs_on_caller+0x310/0x310
[  614.087284]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  614.092307]  ? prepare_exit_to_usermode+0x291/0x3b0
[  614.097347]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  614.102200]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  614.107598] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  614.107761] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  614.114637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  614.125109] syz-executor4 cpuset=syz4 mems_allowed=0
[  614.134454] Call Trace:
[  614.142124]  <IRQ>
[  614.144293]  dump_stack+0x244/0x39d
[  614.147942]  ? dump_stack_print_info.cold.1+0x20/0x20
[  614.153145]  warn_alloc.cold.116+0xb7/0x1bd
[  614.157469]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  614.162314]  ? lock_downgrade+0x900/0x900
[  614.166516]  ? trace_hardirqs_off+0xb8/0x310
[  614.170937]  ? trace_hardirqs_off+0xb8/0x310
[  614.175351]  __alloc_pages_slowpath+0x2651/0x2de0
[  614.180229]  ? warn_alloc+0x120/0x120
[  614.184034]  ? print_usage_bug+0xc0/0xc0
[  614.188098]  ? warn_alloc+0x120/0x120
[  614.191905]  ? debug_smp_processor_id+0x1c/0x20
[  614.196590]  ? warn_alloc+0x120/0x120
[  614.200392]  ? print_usage_bug+0xc0/0xc0
[  614.204490]  ? print_usage_bug+0xc0/0xc0
[  614.208577]  ? __lock_acquire+0x62f/0x4c20
[  614.212823]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  614.218362]  ? should_fail+0x22d/0xd01
[  614.222256]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  614.227382]  ? __lock_acquire+0x62f/0x4c20
[  614.231626]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  614.236734]  ? __lock_acquire+0x62f/0x4c20
[  614.240965]  ? should_fail+0x22d/0xd01
[  614.244854]  ? find_held_lock+0x36/0x1c0
[  614.248940]  ? mark_held_locks+0x130/0x130
[  614.253181]  ? mark_held_locks+0x130/0x130
[  614.257416]  ? perf_trace_lock+0x14d/0x7a0
[  614.261649]  ? zap_class+0x640/0x640
[  614.265373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.270935]  ? check_preemption_disabled+0x48/0x280
[  614.275951]  ? zap_class+0x640/0x640
[  614.279674]  ? debug_smp_processor_id+0x1c/0x20
[  614.284360]  ? perf_trace_lock+0x14d/0x7a0
[  614.288614]  ? check_preemption_disabled+0x48/0x280
[  614.293654]  ? lock_is_held_type+0x210/0x210
[  614.298070]  ? __lock_is_held+0xb5/0x140
[  614.302141]  __alloc_pages_nodemask+0xad8/0xea0
[  614.306808]  ? zap_class+0x640/0x640
[  614.310570]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  614.315604]  ? find_held_lock+0x36/0x1c0
[  614.319704]  ? ____cache_alloc_node+0x1c7/0x1e0
[  614.324390]  ? lock_downgrade+0x900/0x900
[  614.328578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.334134]  cache_grow_begin+0xa5/0x8c0
[  614.338192]  ? do_raw_spin_unlock+0xa7/0x330
[  614.342612]  fallback_alloc+0x204/0x2e0
[  614.346630]  ____cache_alloc_node+0x1c7/0x1e0
[  614.351161]  kmem_cache_alloc_node+0xe3/0x730
[  614.355679]  ? ipv6_get_ifaddr+0x42e/0x620
[  614.359924]  __alloc_skb+0x119/0x770
[  614.363636]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  614.368918]  ? netdev_alloc_frag+0x1f0/0x1f0
[  614.373326]  ? lock_downgrade+0x900/0x900
[  614.377484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.383020]  ? refcount_sub_and_test_checked+0x203/0x310
[  614.388473]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  614.393924]  ? addrconf_rs_timer+0x690/0x690
[  614.398346]  ndisc_alloc_skb+0x144/0x340
[  614.402426]  ndisc_send_rs+0x331/0x6e0
[  614.406321]  addrconf_rs_timer+0x314/0x690
[  614.410590]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  614.414839]  call_timer_fn+0x272/0x920
[  614.418743]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  614.422994]  ? process_timeout+0x40/0x40
[  614.427066]  ? mark_held_locks+0xc7/0x130
[  614.431230]  ? _raw_spin_unlock_irq+0x27/0x80
[  614.435772]  ? _raw_spin_unlock_irq+0x27/0x80
[  614.440267]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  614.444520]  ? lockdep_hardirqs_on+0x296/0x5b0
[  614.449141]  ? trace_hardirqs_on+0xbd/0x310
[  614.453462]  ? kasan_check_read+0x11/0x20
[  614.457611]  ? __run_timers+0x7da/0xc70
[  614.461592]  ? trace_hardirqs_off_caller+0x310/0x310
[  614.466706]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  614.470972]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  614.475203]  __run_timers+0x7e5/0xc70
[  614.479020]  ? timer_fixup_init+0x70/0x70
[  614.483170]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  614.488188]  ? zap_class+0x640/0x640
[  614.491925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.497478]  ? print_usage_bug+0xc0/0xc0
[  614.501551]  ? debug_smp_processor_id+0x1c/0x20
[  614.506228]  ? perf_trace_lock+0x14d/0x7a0
[  614.510469]  ? find_held_lock+0x36/0x1c0
[  614.514535]  ? zap_class+0x640/0x640
[  614.518272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.523828]  ? check_preemption_disabled+0x48/0x280
[  614.528862]  ? __lock_is_held+0xb5/0x140
[  614.532925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.538462]  ? check_preemption_disabled+0x48/0x280
[  614.543486]  run_timer_softirq+0x52/0xb0
[  614.547554]  ? rcu_read_lock_sched_held+0x14f/0x180
[  614.552590]  __do_softirq+0x308/0xb7e
[  614.556398]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  614.560897]  ? lock_downgrade+0x900/0x900
[  614.565053]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  614.570166]  ? pvclock_read_flags+0x160/0x160
[  614.574667]  ? lapic_next_event+0x5a/0x90
[  614.578822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.584370]  ? kvm_clock_read+0x18/0x30
[  614.588344]  ? kvm_sched_clock_read+0x9/0x20
[  614.592756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.598301]  ? check_preemption_disabled+0x48/0x280
[  614.603332]  irq_exit+0x17f/0x1c0
[  614.606790]  smp_apic_timer_interrupt+0x1cb/0x760
[  614.611635]  ? smp_reschedule_interrupt+0x109/0x650
[  614.616653]  ? smp_call_function_single_interrupt+0x650/0x650
[  614.622539]  ? interrupt_entry+0xb5/0xc0
[  614.626633]  ? trace_hardirqs_off_caller+0xbb/0x310
[  614.631654]  ? trace_hardirqs_off_caller+0xbb/0x310
[  614.636674]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  614.641524]  ? trace_hardirqs_on_caller+0x310/0x310
[  614.646585]  ? trace_hardirqs_on_caller+0x310/0x310
[  614.651623]  ? task_prio+0x50/0x50
[  614.655173]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  614.660710]  ? check_preemption_disabled+0x48/0x280
[  614.665735]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  614.670598]  apic_timer_interrupt+0xf/0x20
[  614.674828]  </IRQ>
[  614.677076] RIP: 0010:console_unlock+0x102f/0x1190
[  614.682008] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  614.700905] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  614.708612] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  614.715879] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  614.723150] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  614.730418] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  614.737688] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  614.744963]  ? netconsole_netdev_event+0x280/0x280
[  614.749906]  ? console_unlock+0x1026/0x1190
[  614.754261]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  614.758928]  ? vprintk_emit+0x846/0x990
[  614.762918]  ? lock_release+0xa00/0xa00
[  614.766896]  ? trace_hardirqs_on+0x30/0x310
[  614.771221]  ? vprintk_default+0x28/0x30
[  614.775299]  ? trace_hardirqs_off_caller+0x310/0x310
[  614.780424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.785979]  vprintk_emit+0x391/0x990
[  614.789792]  ? wake_up_klogd+0x180/0x180
[  614.793862]  ? find_held_lock+0x31/0x1c0
[  614.797938]  ? mark_held_locks+0xc7/0x130
[  614.802090]  ? _raw_spin_unlock_irq+0x27/0x80
[  614.806594]  ? _raw_spin_unlock_irq+0x27/0x80
[  614.811104]  vprintk_default+0x28/0x30
[  614.814998]  vprintk_func+0x7e/0x181
[  614.818723]  printk+0xa7/0xcf
[  614.821840]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  614.826612]  ? _raw_spin_unlock_irq+0x60/0x80
[  614.831125]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  614.836423]  dump_header+0x7cc/0xf72
[  614.840143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.845683]  ? check_preemption_disabled+0x48/0x280
[  614.850704]  ? pagefault_out_of_memory+0x197/0x197
[  614.855637]  ? debug_smp_processor_id+0x1c/0x20
[  614.860311]  ? perf_trace_lock+0x14d/0x7a0
[  614.864569]  ? mark_held_locks+0x130/0x130
[  614.868811]  ? lock_is_held_type+0x210/0x210
[  614.873229]  ? debug_smp_processor_id+0x1c/0x20
[  614.877903]  ? zap_class+0x640/0x640
[  614.881624]  ? lock_is_held_type+0x210/0x210
[  614.886034]  ? perf_trace_lock+0x14d/0x7a0
[  614.890277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.895829]  ? find_held_lock+0x36/0x1c0
[  614.899908]  ? mark_held_locks+0xc7/0x130
[  614.904069]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  614.909174]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  614.914297]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  614.918894]  ? trace_hardirqs_on+0xbd/0x310
[  614.923227]  ? kasan_check_read+0x11/0x20
[  614.927380]  ? ___ratelimit+0x3b4/0x672
[  614.931361]  ? trace_hardirqs_off_caller+0x310/0x310
[  614.936470]  ? trace_hardirqs_on+0x310/0x310
[  614.940882]  ? lock_downgrade+0x900/0x900
[  614.945042]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  614.950148]  ? ___ratelimit+0x3b9/0x672
[  614.954126]  ? idr_get_free+0xf70/0xf70
[  614.958107]  ? lock_is_held_type+0x210/0x210
[  614.962529]  oom_kill_process.cold.27+0x10/0x903
[  614.967298]  ? zap_class+0x640/0x640
[  614.971017]  ? _raw_spin_unlock+0x2c/0x50
[  614.975169]  ? oom_badness+0xe6/0xaa0
[  614.978978]  ? oom_evaluate_task+0x540/0x540
[  614.983392]  ? find_held_lock+0x36/0x1c0
[  614.987462]  ? out_of_memory+0x974/0x1430
[  614.991615]  ? lock_downgrade+0x900/0x900
[  614.995764]  ? check_preemption_disabled+0x48/0x280
[  615.000790]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  615.005724]  ? kasan_check_read+0x11/0x20
[  615.010329]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  615.015608]  ? rcu_softirq_qs+0x20/0x20
[  615.019595]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  615.024616]  ? oom_evaluate_task+0x302/0x540
[  615.029031]  out_of_memory+0xa84/0x1430
[  615.033015]  ? oom_killer_disable+0x3a0/0x3a0
[  615.037517]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  615.042465]  ? __ww_mutex_check_waiters+0x160/0x160
[  615.047495]  __alloc_pages_slowpath+0x232c/0x2de0
[  615.052370]  ? warn_alloc+0x120/0x120
[  615.056187]  ? mark_held_locks+0x130/0x130
[  615.060449]  ? find_get_entry+0xaae/0x1120
[  615.064695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.070251]  ? check_preemption_disabled+0x48/0x280
[  615.075280]  ? filemap_map_pages+0x1a20/0x1a20
[  615.079868]  ? debug_smp_processor_id+0x1c/0x20
[  615.084580]  ? perf_trace_lock+0x14d/0x7a0
[  615.088848]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  615.094402]  ? should_fail+0x22d/0xd01
[  615.098326]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  615.103429]  ? zap_class+0x640/0x640
[  615.107175]  ? __lock_is_held+0xb5/0x140
[  615.111249]  ? mark_held_locks+0x130/0x130
[  615.115492]  ? lock_release+0xa00/0xa00
[  615.119472]  ? perf_trace_sched_process_exec+0x860/0x860
[  615.124939]  ? xa_load+0x2ba/0x460
[  615.128487]  ? lock_downgrade+0x900/0x900
[  615.132643]  ? __might_sleep+0x95/0x190
[  615.136626]  __alloc_pages_nodemask+0xad8/0xea0
[  615.141435]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  615.146455]  ? __page_cache_alloc+0x191/0x5c0
[  615.150949]  ? xa_load+0x2e1/0x460
[  615.154491]  ? xa_clear_mark+0x40/0x40
[  615.158382]  ? zap_class+0x640/0x640
[  615.162110]  ? zap_class+0x640/0x640
[  615.165828]  ? zap_class+0x640/0x640
[  615.169542]  ? __do_page_cache_readahead+0x663/0x810
[  615.174722]  ? find_held_lock+0x36/0x1c0
[  615.178833]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  615.184377]  alloc_pages_current+0x173/0x350
[  615.188794]  __page_cache_alloc+0x38c/0x5c0
[  615.193117]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  615.198045]  ? kasan_check_read+0x11/0x20
[  615.202209]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  615.207493]  ? generic_perform_write+0x6a0/0x6a0
[  615.212251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  615.217792]  ? check_preemption_disabled+0x48/0x280
[  615.222819]  filemap_fault+0x1595/0x25f0
[  615.226898]  ? __lock_page_or_retry+0xa00/0xa00
[  615.231601]  ? mark_held_locks+0x130/0x130
[  615.235854]  ? filemap_map_pages+0xd6b/0x1a20
[  615.240355]  ? lock_downgrade+0x900/0x900
[  615.244508]  ? check_preemption_disabled+0x48/0x280
[  615.249528]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  615.254471]  ? kasan_check_read+0x11/0x20
[  615.258619]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  615.263915]  ? rcu_softirq_qs+0x20/0x20
[  615.267907]  ? filemap_map_pages+0xd92/0x1a20
[  615.272419]  ? find_get_entries_tag+0x1400/0x1400
[  615.277269]  ? debug_object_destroy+0x2b0/0x2b0
[  615.281943]  ? lock_pi_update_atomic+0x150/0x150
[  615.286728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.292314]  ? lock_acquire+0x1ed/0x520
[  615.296288]  ? ext4_filemap_fault+0x7a/0xad
[  615.300619]  ? lock_release+0xa00/0xa00
[  615.304593]  ? perf_trace_sched_process_exec+0x860/0x860
[  615.310073]  ? print_usage_bug+0xc0/0xc0
[  615.314138]  ? print_usage_bug+0xc0/0xc0
[  615.318214]  ? down_read+0x8d/0x120
[  615.321838]  ? ext4_filemap_fault+0x7a/0xad
[  615.326163]  ? __down_interruptible+0x700/0x700
[  615.330844]  ext4_filemap_fault+0x82/0xad
[  615.334994]  __do_fault+0x100/0x6b0
[  615.338628]  ? pmd_devmap_trans_unstable+0x220/0x220
[  615.343738]  ? mark_held_locks+0x130/0x130
[  615.348002]  ? mark_held_locks+0x130/0x130
[  615.352271]  ? debug_smp_processor_id+0x1c/0x20
[  615.356943]  ? perf_trace_lock+0x14d/0x7a0
[  615.361192]  ? lock_downgrade+0x900/0x900
[  615.365346]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  615.370893]  __handle_mm_fault+0x3ea0/0x5be0
[  615.375313]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  615.380186]  ? lock_is_held_type+0x210/0x210
[  615.384601]  ? file_remove_privs+0x540/0x540
[  615.389026]  ? file_remove_privs+0x540/0x540
[  615.393454]  ? zap_class+0x640/0x640
[  615.397171]  ? zap_class+0x640/0x640
[  615.400886]  ? __x64_sys_futex+0x53e/0x6a0
[  615.405127]  ? find_held_lock+0x36/0x1c0
[  615.409202]  ? handle_mm_fault+0x42a/0xc70
[  615.413459]  ? lock_downgrade+0x900/0x900
[  615.417613]  ? check_preemption_disabled+0x48/0x280
[  615.422633]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  615.427578]  ? kasan_check_read+0x11/0x20
[  615.431731]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  615.437009]  ? rcu_softirq_qs+0x20/0x20
[  615.440984]  ? trace_hardirqs_off_caller+0x310/0x310
[  615.446102]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  615.451674]  ? check_preemption_disabled+0x48/0x280
[  615.456716]  handle_mm_fault+0x54f/0xc70
[  615.460803]  ? __handle_mm_fault+0x5be0/0x5be0
[  615.465395]  ? find_vma+0x34/0x190
[  615.468958]  __do_page_fault+0x5e8/0xe60
[  615.473031]  ? trace_hardirqs_off+0xb8/0x310
[  615.477513]  do_page_fault+0xf2/0x7e0
[  615.481321]  ? vmalloc_sync_all+0x30/0x30
[  615.485489]  ? error_entry+0x70/0xd0
[  615.489210]  ? trace_hardirqs_off_caller+0xbb/0x310
[  615.494226]  ? trace_hardirqs_on_caller+0xc0/0x310
[  615.499176]  ? syscall_return_slowpath+0x5e0/0x5e0
[  615.504120]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  615.508963]  ? trace_hardirqs_on_caller+0x310/0x310
[  615.513980]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  615.519451]  ? prepare_exit_to_usermode+0x291/0x3b0
[  615.524500]  ? page_fault+0x8/0x30
[  615.528047]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  615.532898]  ? page_fault+0x8/0x30
[  615.536441]  page_fault+0x1e/0x30
[  615.539928] RIP: 0033:0x45ddf3
[  615.543132] Code: Bad RIP value.
[  615.546489] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  615.551850] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  615.559117] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  615.566385] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  615.573651] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  615.580935] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  615.588247] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  615.588253] warn_alloc_show_mem: 1 callbacks suppressed
[  615.588260] Mem-Info:
[  615.595640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  615.601007] active_anon:147110 inactive_anon:190 isolated_anon:0
[  615.601007]  active_file:13 inactive_file:13 isolated_file:2
[  615.601007]  unevictable:1 dirty:0 writeback:0 unstable:0
[  615.601007]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  615.601007]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  615.601007]  free:13705 free_pcp:247 free_cma:0
[  615.603381] Call Trace:
[  615.612809] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  615.645826]  <IRQ>
[  615.648409] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  615.675906]  dump_stack+0x244/0x39d
[  615.678030] lowmem_reserve[]: 0 2818 6321 6321
[  615.704134]  ? dump_stack_print_info.cold.1+0x20/0x20
[  615.707749] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  615.712335]  warn_alloc.cold.116+0xb7/0x1bd
[  615.717492] lowmem_reserve[]: 0 0 3503 3503
[  615.745160]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  615.749457] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  615.753805]  ? lock_downgrade+0x900/0x900
[  615.758624] lowmem_reserve[]: 0 0 0 0
[  615.787574]  ? trace_hardirqs_off+0xb8/0x310
[  615.791696] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  615.795512]  ? trace_hardirqs_off+0xb8/0x310
[  615.799897] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  615.813424]  __alloc_pages_slowpath+0x2651/0x2de0
[  615.817819] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  615.832929]  ? warn_alloc+0x120/0x120
[  615.837733] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  615.852285]  ? warn_alloc+0x120/0x120
[  615.856083] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  615.864938]  ? warn_alloc+0x120/0x120
[  615.868713] 274 total pagecache pages
[  615.877279]  ? print_usage_bug+0xc0/0xc0
[  615.881063] 0 pages in swap cache
[  615.884856]  ? mark_held_locks+0x130/0x130
[  615.888894] Swap cache stats: add 0, delete 0, find 0/0
[  615.892336]  ? do_raw_spin_unlock+0xa7/0x330
[  615.896602] Free swap  = 0kB
[  615.901960]  ? print_usage_bug+0xc0/0xc0
[  615.906342] Total swap = 0kB
[  615.909377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.913407] 1965979 pages RAM
[  615.916462]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  615.921972] 0 pages HighMem/MovableOnly
[  615.925073]  ? should_fail+0x22d/0xd01
[  615.930583] 342854 pages reserved
[  615.934561]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  615.938426] 0 pages cma reserved
[  615.941870]  ? __lock_acquire+0x62f/0x4c20
[  615.947036] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  615.950323]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  615.954673] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  615.961071]  ? __lock_acquire+0x62f/0x4c20
[  615.966148] syz-fuzzer cpuset=/ mems_allowed=0
[  615.976367]  ? should_fail+0x22d/0xd01
[  615.989066]  ? mark_held_locks+0x130/0x130
[  615.993326]  ? mark_held_locks+0x130/0x130
[  615.997570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.003115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.008655]  ? check_preemption_disabled+0x48/0x280
[  616.013669]  ? zap_class+0x640/0x640
[  616.017389]  ? debug_smp_processor_id+0x1c/0x20
[  616.022066]  ? perf_trace_lock+0x14d/0x7a0
[  616.026316]  ? check_preemption_disabled+0x48/0x280
[  616.031342]  ? lock_is_held_type+0x210/0x210
[  616.035753]  ? __lock_is_held+0xb5/0x140
[  616.039830]  __alloc_pages_nodemask+0xad8/0xea0
[  616.044499]  ? zap_class+0x640/0x640
[  616.048256]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  616.053285]  ? find_held_lock+0x36/0x1c0
[  616.057364]  ? ____cache_alloc_node+0x1c7/0x1e0
[  616.062039]  ? lock_downgrade+0x900/0x900
[  616.066200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.071749]  cache_grow_begin+0xa5/0x8c0
[  616.075813]  ? do_raw_spin_unlock+0xa7/0x330
[  616.080232]  fallback_alloc+0x204/0x2e0
[  616.084220]  ____cache_alloc_node+0x1c7/0x1e0
[  616.088727]  kmem_cache_alloc_node+0xe3/0x730
[  616.093225]  ? ipv6_get_ifaddr+0x42e/0x620
[  616.097476]  __alloc_skb+0x119/0x770
[  616.101192]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  616.106476]  ? netdev_alloc_frag+0x1f0/0x1f0
[  616.110885]  ? lock_downgrade+0x900/0x900
[  616.115049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.120594]  ? refcount_sub_and_test_checked+0x203/0x310
[  616.126054]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  616.131516]  ? addrconf_rs_timer+0x690/0x690
[  616.135946]  ndisc_alloc_skb+0x144/0x340
[  616.140016]  ndisc_send_rs+0x331/0x6e0
[  616.143912]  addrconf_rs_timer+0x314/0x690
[  616.148156]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  616.152408]  call_timer_fn+0x272/0x920
[  616.156297]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  616.160535]  ? process_timeout+0x40/0x40
[  616.164620]  ? __run_timers+0x7da/0xc70
[  616.168602]  ? _raw_spin_unlock_irq+0x27/0x80
[  616.173101]  ? _raw_spin_unlock_irq+0x27/0x80
[  616.177597]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  616.181833]  ? lockdep_hardirqs_on+0x296/0x5b0
[  616.186424]  ? trace_hardirqs_on+0xbd/0x310
[  616.190752]  ? kasan_check_read+0x11/0x20
[  616.194901]  ? __run_timers+0x7da/0xc70
[  616.198878]  ? trace_hardirqs_off_caller+0x310/0x310
[  616.204014]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  616.208281]  __run_timers+0x7e5/0xc70
[  616.212098]  ? timer_fixup_init+0x70/0x70
[  616.216252]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  616.221271]  ? zap_class+0x640/0x640
[  616.225014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.230592]  ? check_preemption_disabled+0x48/0x280
[  616.235621]  ? debug_smp_processor_id+0x1c/0x20
[  616.240295]  ? perf_trace_lock+0x14d/0x7a0
[  616.244539]  ? find_held_lock+0x36/0x1c0
[  616.248620]  ? zap_class+0x640/0x640
[  616.252338]  ? pvclock_read_flags+0x160/0x160
[  616.256837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.262381]  ? check_preemption_disabled+0x48/0x280
[  616.267410]  ? __lock_is_held+0xb5/0x140
[  616.271473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.277026]  ? check_preemption_disabled+0x48/0x280
[  616.282050]  run_timer_softirq+0x52/0xb0
[  616.286123]  ? rcu_read_lock_sched_held+0x14f/0x180
[  616.291144]  __do_softirq+0x308/0xb7e
[  616.294952]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  616.299446]  ? lock_downgrade+0x900/0x900
[  616.303600]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  616.308734]  ? pvclock_read_flags+0x160/0x160
[  616.313248]  ? lapic_next_event+0x5a/0x90
[  616.317400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.322949]  ? kvm_clock_read+0x18/0x30
[  616.326927]  ? kvm_sched_clock_read+0x9/0x20
[  616.331367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.336907]  ? check_preemption_disabled+0x48/0x280
[  616.341935]  irq_exit+0x17f/0x1c0
[  616.345391]  smp_apic_timer_interrupt+0x1cb/0x760
[  616.350237]  ? smp_reschedule_interrupt+0x109/0x650
[  616.355261]  ? smp_call_function_single_interrupt+0x650/0x650
[  616.361146]  ? interrupt_entry+0xb5/0xc0
[  616.365247]  ? trace_hardirqs_off_caller+0xbb/0x310
[  616.370265]  ? trace_hardirqs_off_caller+0xbb/0x310
[  616.375288]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  616.380132]  ? trace_hardirqs_on_caller+0x310/0x310
[  616.385150]  ? trace_hardirqs_on_caller+0x310/0x310
[  616.390165]  ? task_prio+0x50/0x50
[  616.393708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.399248]  ? check_preemption_disabled+0x48/0x280
[  616.404287]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  616.409150]  apic_timer_interrupt+0xf/0x20
[  616.413406]  </IRQ>
[  616.415645] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  616.420588] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  616.439491] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  616.447202] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  616.454469] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  616.461736] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  616.469034] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  616.476309] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  616.483625]  skb_clone+0x1bb/0x500
[  616.487171]  ? skb_split+0x11e0/0x11e0
[  616.491072]  ? debug_smp_processor_id+0x1c/0x20
[  616.495744]  ? perf_trace_lock+0x14d/0x7a0
[  616.499976]  ? __switch_to_asm+0x34/0x70
[  616.504043]  ? __switch_to_asm+0x40/0x70
[  616.508112]  ? __switch_to_asm+0x40/0x70
[  616.512172]  ? __switch_to_asm+0x34/0x70
[  616.516240]  bpf_clone_redirect+0xb9/0x490
[  616.520484]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  616.525419]  ? __sched_text_start+0x8/0x8
[  616.529594]  ? find_held_lock+0x36/0x1c0
[  616.533668]  ? lock_acquire+0x1ed/0x520
[  616.537647]  ? bpf_test_run+0x3cb/0x780
[  616.541638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.547193]  ? check_preemption_disabled+0x48/0x280
[  616.552219]  ? kasan_check_read+0x11/0x20
[  616.556367]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  616.561659]  ? rcu_softirq_qs+0x20/0x20
[  616.565639]  ? preempt_schedule+0x4d/0x60
[  616.569823]  ? ___preempt_schedule+0x16/0x18
[  616.574256]  ? bpf_test_run+0x25d/0x780
[  616.578247]  ? netlink_diag_dump+0x2a0/0x2a0
[  616.582657]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  616.588203]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  616.592990]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  616.597837]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  616.603392]  ? fput+0x130/0x1a0
[  616.606684]  ? __bpf_prog_get+0x9b/0x290
[  616.610754]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  616.615599]  ? bpf_prog_test_run+0x130/0x1a0
[  616.620027]  ? __x64_sys_bpf+0x3d8/0x520
[  616.624109]  ? bpf_prog_get+0x20/0x20
[  616.627932]  ? do_syscall_64+0x1b9/0x820
[  616.631992]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  616.637363]  ? syscall_return_slowpath+0x5e0/0x5e0
[  616.642294]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  616.647134]  ? trace_hardirqs_on_caller+0x310/0x310
[  616.652153]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  616.657174]  ? prepare_exit_to_usermode+0x291/0x3b0
[  616.662195]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  616.667048]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  616.672437] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  616.672512] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  616.679452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  616.679458] Call Trace:
[  616.679465]  <IRQ>
[  616.679483]  dump_stack+0x244/0x39d
[  616.679502]  ? dump_stack_print_info.cold.1+0x20/0x20
[  616.686077] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  616.695350]  warn_alloc.cold.116+0xb7/0x1bd
[  616.697906] syz-executor4 cpuset=syz4 mems_allowed=0
[  616.700065]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  616.733592]  ? lock_downgrade+0x900/0x900
[  616.737748]  ? trace_hardirqs_off+0xb8/0x310
[  616.742177]  ? trace_hardirqs_off+0xb8/0x310
[  616.746601]  __alloc_pages_slowpath+0x2651/0x2de0
[  616.751477]  ? warn_alloc+0x120/0x120
[  616.755283]  ? warn_alloc+0x120/0x120
[  616.759109]  ? warn_alloc+0x120/0x120
[  616.762914]  ? print_usage_bug+0xc0/0xc0
[  616.766980]  ? mark_held_locks+0x130/0x130
[  616.771219]  ? print_usage_bug+0xc0/0xc0
[  616.775316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.780859]  ? check_preemption_disabled+0x48/0x280
[  616.785901]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  616.791441]  ? should_fail+0x22d/0xd01
[  616.795332]  ? mark_held_locks+0x130/0x130
[  616.799584]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  616.804705]  ? __lock_acquire+0x62f/0x4c20
[  616.808949]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  616.814049]  ? should_fail+0x22d/0xd01
[  616.817951]  ? mark_held_locks+0x130/0x130
[  616.822193]  ? mark_held_locks+0x130/0x130
[  616.826429]  ? print_usage_bug+0xc0/0xc0
[  616.830495]  ? find_held_lock+0x36/0x1c0
[  616.834571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.840112]  ? check_preemption_disabled+0x48/0x280
[  616.845126]  ? zap_class+0x640/0x640
[  616.848846]  ? debug_smp_processor_id+0x1c/0x20
[  616.853519]  ? perf_trace_lock+0x14d/0x7a0
[  616.857778]  ? check_preemption_disabled+0x48/0x280
[  616.862817]  ? lock_is_held_type+0x210/0x210
[  616.867227]  ? __lock_is_held+0xb5/0x140
[  616.871293]  __alloc_pages_nodemask+0xad8/0xea0
[  616.875966]  ? zap_class+0x640/0x640
[  616.879705]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  616.884736]  ? find_held_lock+0x36/0x1c0
[  616.888812]  ? ____cache_alloc_node+0x1c7/0x1e0
[  616.893500]  ? lock_downgrade+0x900/0x900
[  616.897677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.903220]  cache_grow_begin+0xa5/0x8c0
[  616.907299]  ? do_raw_spin_unlock+0xa7/0x330
[  616.911746]  fallback_alloc+0x204/0x2e0
[  616.915761]  ____cache_alloc_node+0x1c7/0x1e0
[  616.920267]  kmem_cache_alloc_node+0xe3/0x730
[  616.924767]  ? mark_held_locks+0xc7/0x130
[  616.928930]  __alloc_skb+0x119/0x770
[  616.932685]  ? netdev_alloc_frag+0x1f0/0x1f0
[  616.937091]  ? do_raw_spin_trylock+0x270/0x270
[  616.941676]  ? kmem_cache_alloc_trace+0x353/0x750
[  616.946528]  ? queue_work_on+0x12c/0x1e0
[  616.950613]  ? switchdev_port_obj_del+0xdc/0x440
[  616.955378]  ? switchdev_trans_item_enqueue+0x260/0x260
[  616.960746]  ? lock_is_held_type+0x210/0x210
[  616.965151]  ? mod_timer+0x631/0x1560
[  616.968969]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  616.973997]  __br_mdb_notify+0x4ff/0x15d0
[  616.978163]  ? __br_mdb_add+0x7f0/0x7f0
[  616.982140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.987677]  ? check_preemption_disabled+0x48/0x280
[  616.992703]  ? debug_smp_processor_id+0x1c/0x20
[  616.997372]  ? perf_trace_lock+0x14d/0x7a0
[  617.001640]  ? br_multicast_group_expired+0x96/0x610
[  617.006759]  br_mdb_notify+0x310/0x410
[  617.011182]  ? br_mdb_dump+0x27b0/0x27b0
[  617.015253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.020801]  br_multicast_group_expired+0x1bc/0x610
[  617.025824]  ? br_mdb_free+0x80/0x80
[  617.029568]  call_timer_fn+0x272/0x920
[  617.033460]  ? br_mdb_free+0x80/0x80
[  617.037195]  ? process_timeout+0x40/0x40
[  617.041285]  ? mark_held_locks+0xc7/0x130
[  617.045434]  ? _raw_spin_unlock_irq+0x27/0x80
[  617.049931]  ? _raw_spin_unlock_irq+0x27/0x80
[  617.054430]  ? br_mdb_free+0x80/0x80
[  617.058145]  ? lockdep_hardirqs_on+0x296/0x5b0
[  617.062732]  ? trace_hardirqs_on+0xbd/0x310
[  617.067082]  ? kasan_check_read+0x11/0x20
[  617.071229]  ? __run_timers+0x7da/0xc70
[  617.075208]  ? trace_hardirqs_off_caller+0x310/0x310
[  617.080318]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  617.084575]  ? br_mdb_free+0x80/0x80
[  617.088293]  __run_timers+0x7e5/0xc70
[  617.092138]  ? timer_fixup_init+0x70/0x70
[  617.096302]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  617.101371]  ? zap_class+0x640/0x640
[  617.105118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.110658]  ? print_usage_bug+0xc0/0xc0
[  617.114729]  ? debug_smp_processor_id+0x1c/0x20
[  617.119402]  ? perf_trace_lock+0x14d/0x7a0
[  617.123660]  ? find_held_lock+0x36/0x1c0
[  617.127732]  ? zap_class+0x640/0x640
[  617.131453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.136991]  ? check_preemption_disabled+0x48/0x280
[  617.143108]  ? __lock_is_held+0xb5/0x140
[  617.147179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.152718]  ? check_preemption_disabled+0x48/0x280
[  617.157803]  run_timer_softirq+0x52/0xb0
[  617.161870]  ? rcu_read_lock_sched_held+0x14f/0x180
[  617.166908]  __do_softirq+0x308/0xb7e
[  617.170713]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  617.175210]  ? lock_downgrade+0x900/0x900
[  617.179362]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  617.184477]  ? pvclock_read_flags+0x160/0x160
[  617.188981]  ? lapic_next_event+0x5a/0x90
[  617.193131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.198676]  ? kvm_clock_read+0x18/0x30
[  617.202654]  ? kvm_sched_clock_read+0x9/0x20
[  617.207070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.212627]  ? check_preemption_disabled+0x48/0x280
[  617.217658]  irq_exit+0x17f/0x1c0
[  617.221113]  smp_apic_timer_interrupt+0x1cb/0x760
[  617.225960]  ? smp_reschedule_interrupt+0x109/0x650
[  617.230979]  ? smp_call_function_single_interrupt+0x650/0x650
[  617.236868]  ? interrupt_entry+0xb5/0xc0
[  617.240935]  ? trace_hardirqs_off_caller+0xbb/0x310
[  617.245954]  ? trace_hardirqs_off_caller+0xbb/0x310
[  617.250972]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  617.255819]  ? trace_hardirqs_on_caller+0x310/0x310
[  617.260844]  ? trace_hardirqs_on_caller+0x310/0x310
[  617.265860]  ? task_prio+0x50/0x50
[  617.269405]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  617.274947]  ? check_preemption_disabled+0x48/0x280
[  617.279972]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  617.284829]  apic_timer_interrupt+0xf/0x20
[  617.289074]  </IRQ>
[  617.291312] RIP: 0010:console_unlock+0x102f/0x1190
[  617.296258] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  617.315155] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  617.322877] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  617.330144] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  617.337410] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  617.344680] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  617.351946] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  617.359225]  ? netconsole_netdev_event+0x280/0x280
[  617.364180]  ? console_unlock+0x1026/0x1190
[  617.368527]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  617.373205]  ? vprintk_emit+0x846/0x990
[  617.377197]  ? lock_release+0xa00/0xa00
[  617.381186]  ? trace_hardirqs_on+0x30/0x310
[  617.385511]  ? vprintk_default+0x28/0x30
[  617.389585]  ? trace_hardirqs_off_caller+0x310/0x310
[  617.394708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.400253]  vprintk_emit+0x391/0x990
[  617.404063]  ? wake_up_klogd+0x180/0x180
[  617.408137]  ? find_held_lock+0x31/0x1c0
[  617.412211]  ? mark_held_locks+0xc7/0x130
[  617.416361]  ? _raw_spin_unlock_irq+0x27/0x80
[  617.420855]  ? _raw_spin_unlock_irq+0x27/0x80
[  617.425361]  vprintk_default+0x28/0x30
[  617.429269]  vprintk_func+0x7e/0x181
[  617.432981]  printk+0xa7/0xcf
[  617.436088]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  617.440849]  ? _raw_spin_unlock_irq+0x60/0x80
[  617.445362]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  617.450669]  dump_header+0x7cc/0xf72
[  617.454398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.459942]  ? check_preemption_disabled+0x48/0x280
[  617.464962]  ? pagefault_out_of_memory+0x197/0x197
[  617.469907]  ? debug_smp_processor_id+0x1c/0x20
[  617.474584]  ? perf_trace_lock+0x14d/0x7a0
[  617.478828]  ? mark_held_locks+0x130/0x130
[  617.483084]  ? lock_is_held_type+0x210/0x210
[  617.487504]  ? debug_smp_processor_id+0x1c/0x20
[  617.492208]  ? zap_class+0x640/0x640
[  617.495930]  ? lock_is_held_type+0x210/0x210
[  617.500342]  ? perf_trace_lock+0x14d/0x7a0
[  617.504608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.510157]  ? find_held_lock+0x36/0x1c0
[  617.514230]  ? mark_held_locks+0xc7/0x130
[  617.518423]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  617.523539]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  617.528660]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  617.533242]  ? trace_hardirqs_on+0xbd/0x310
[  617.537588]  ? kasan_check_read+0x11/0x20
[  617.541735]  ? ___ratelimit+0x3b4/0x672
[  617.545728]  ? trace_hardirqs_off_caller+0x310/0x310
[  617.550840]  ? trace_hardirqs_on+0x310/0x310
[  617.555260]  ? lock_downgrade+0x900/0x900
[  617.559414]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  617.564524]  ? ___ratelimit+0x3b9/0x672
[  617.568518]  ? idr_get_free+0xf70/0xf70
[  617.572512]  ? lock_is_held_type+0x210/0x210
[  617.576929]  oom_kill_process.cold.27+0x10/0x903
[  617.581689]  ? zap_class+0x640/0x640
[  617.585409]  ? _raw_spin_unlock+0x2c/0x50
[  617.589571]  ? oom_badness+0xe6/0xaa0
[  617.593400]  ? oom_evaluate_task+0x540/0x540
[  617.597817]  ? find_held_lock+0x36/0x1c0
[  617.601891]  ? out_of_memory+0x974/0x1430
[  617.606042]  ? lock_downgrade+0x900/0x900
[  617.610225]  ? check_preemption_disabled+0x48/0x280
[  617.615277]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  617.620207]  ? kasan_check_read+0x11/0x20
[  617.624357]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  617.629638]  ? rcu_softirq_qs+0x20/0x20
[  617.633620]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  617.638652]  ? oom_evaluate_task+0x302/0x540
[  617.643099]  out_of_memory+0xa84/0x1430
[  617.647114]  ? oom_killer_disable+0x3a0/0x3a0
[  617.651629]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  617.656606]  ? __ww_mutex_check_waiters+0x160/0x160
[  617.661654]  __alloc_pages_slowpath+0x232c/0x2de0
[  617.666529]  ? warn_alloc+0x120/0x120
[  617.670387]  ? mark_held_locks+0x130/0x130
[  617.674628]  ? find_get_entry+0xaae/0x1120
[  617.678876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.684412]  ? check_preemption_disabled+0x48/0x280
[  617.689427]  ? filemap_map_pages+0x1a20/0x1a20
[  617.694060]  ? debug_smp_processor_id+0x1c/0x20
[  617.698729]  ? perf_trace_lock+0x14d/0x7a0
[  617.702978]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  617.708529]  ? should_fail+0x22d/0xd01
[  617.712451]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  617.717566]  ? zap_class+0x640/0x640
[  617.721307]  ? __lock_is_held+0xb5/0x140
[  617.725380]  ? mark_held_locks+0x130/0x130
[  617.729634]  ? lock_release+0xa00/0xa00
[  617.733610]  ? perf_trace_sched_process_exec+0x860/0x860
[  617.739060]  ? xa_load+0x2ba/0x460
[  617.742608]  ? lock_downgrade+0x900/0x900
[  617.746763]  ? __might_sleep+0x95/0x190
[  617.750759]  __alloc_pages_nodemask+0xad8/0xea0
[  617.755451]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  617.760470]  ? __page_cache_alloc+0x191/0x5c0
[  617.764966]  ? xa_load+0x2e1/0x460
[  617.768511]  ? xa_clear_mark+0x40/0x40
[  617.772402]  ? zap_class+0x640/0x640
[  617.776125]  ? zap_class+0x640/0x640
[  617.779836]  ? zap_class+0x640/0x640
[  617.783567]  ? __do_page_cache_readahead+0x663/0x810
[  617.788685]  ? find_held_lock+0x36/0x1c0
[  617.792755]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  617.798305]  alloc_pages_current+0x173/0x350
[  617.802721]  __page_cache_alloc+0x38c/0x5c0
[  617.807048]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  617.811979]  ? kasan_check_read+0x11/0x20
[  617.816123]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  617.821405]  ? generic_perform_write+0x6a0/0x6a0
[  617.826161]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  617.831704]  ? check_preemption_disabled+0x48/0x280
[  617.836728]  filemap_fault+0x1595/0x25f0
[  617.840820]  ? __lock_page_or_retry+0xa00/0xa00
[  617.845509]  ? mark_held_locks+0x130/0x130
[  617.849758]  ? filemap_map_pages+0xd6b/0x1a20
[  617.854257]  ? lock_downgrade+0x900/0x900
[  617.858434]  ? check_preemption_disabled+0x48/0x280
[  617.863448]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  617.868403]  ? kasan_check_read+0x11/0x20
[  617.872553]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  617.877870]  ? rcu_softirq_qs+0x20/0x20
[  617.881859]  ? filemap_map_pages+0xd92/0x1a20
[  617.886385]  ? find_get_entries_tag+0x1400/0x1400
[  617.891235]  ? debug_object_destroy+0x2b0/0x2b0
[  617.895910]  ? lock_pi_update_atomic+0x150/0x150
[  617.900665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.906214]  ? lock_acquire+0x1ed/0x520
[  617.910187]  ? ext4_filemap_fault+0x7a/0xad
[  617.914527]  ? lock_release+0xa00/0xa00
[  617.918516]  ? perf_trace_sched_process_exec+0x860/0x860
[  617.923976]  ? print_usage_bug+0xc0/0xc0
[  617.928036]  ? print_usage_bug+0xc0/0xc0
[  617.932116]  ? down_read+0x8d/0x120
[  617.935743]  ? ext4_filemap_fault+0x7a/0xad
[  617.940066]  ? __down_interruptible+0x700/0x700
[  617.944748]  ext4_filemap_fault+0x82/0xad
[  617.948915]  __do_fault+0x100/0x6b0
[  617.952555]  ? pmd_devmap_trans_unstable+0x220/0x220
[  617.957672]  ? mark_held_locks+0x130/0x130
[  617.961921]  ? mark_held_locks+0x130/0x130
[  617.966159]  ? debug_smp_processor_id+0x1c/0x20
[  617.970827]  ? perf_trace_lock+0x14d/0x7a0
[  617.975059]  ? lock_downgrade+0x900/0x900
[  617.979214]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  617.984784]  __handle_mm_fault+0x3ea0/0x5be0
[  617.989206]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  617.994053]  ? lock_is_held_type+0x210/0x210
[  617.998469]  ? file_remove_privs+0x540/0x540
[  618.002878]  ? file_remove_privs+0x540/0x540
[  618.007315]  ? zap_class+0x640/0x640
[  618.011536]  ? zap_class+0x640/0x640
[  618.015264]  ? __x64_sys_futex+0x53e/0x6a0
[  618.019507]  ? find_held_lock+0x36/0x1c0
[  618.023592]  ? handle_mm_fault+0x42a/0xc70
[  618.027833]  ? lock_downgrade+0x900/0x900
[  618.031983]  ? check_preemption_disabled+0x48/0x280
[  618.037003]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  618.041933]  ? kasan_check_read+0x11/0x20
[  618.046097]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  618.051375]  ? rcu_softirq_qs+0x20/0x20
[  618.055353]  ? trace_hardirqs_off_caller+0x310/0x310
[  618.060471]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  618.066010]  ? check_preemption_disabled+0x48/0x280
[  618.071035]  handle_mm_fault+0x54f/0xc70
[  618.075100]  ? __handle_mm_fault+0x5be0/0x5be0
[  618.079686]  ? find_vma+0x34/0x190
[  618.083248]  __do_page_fault+0x5e8/0xe60
[  618.087306]  ? trace_hardirqs_off+0xb8/0x310
[  618.091724]  do_page_fault+0xf2/0x7e0
[  618.095527]  ? vmalloc_sync_all+0x30/0x30
[  618.099703]  ? error_entry+0x70/0xd0
[  618.103417]  ? trace_hardirqs_off_caller+0xbb/0x310
[  618.108431]  ? trace_hardirqs_on_caller+0xc0/0x310
[  618.113363]  ? syscall_return_slowpath+0x5e0/0x5e0
[  618.118294]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  618.123136]  ? trace_hardirqs_on_caller+0x310/0x310
[  618.128155]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  618.133630]  ? prepare_exit_to_usermode+0x291/0x3b0
[  618.138647]  ? page_fault+0x8/0x30
[  618.142194]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  618.147044]  ? page_fault+0x8/0x30
[  618.150598]  page_fault+0x1e/0x30
[  618.154067] RIP: 0033:0x45ddf3
[  618.157287] Code: Bad RIP value.
[  618.160648] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  618.166011] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  618.173282] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  618.180564] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  618.187836] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  618.195102] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  618.202397] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  618.202418] warn_alloc_show_mem: 1 callbacks suppressed
[  618.202423] Mem-Info:
[  618.209766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  618.215132] active_anon:147110 inactive_anon:190 isolated_anon:0
[  618.215132]  active_file:13 inactive_file:13 isolated_file:2
[  618.215132]  unevictable:1 dirty:0 writeback:0 unstable:0
[  618.215132]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  618.215132]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  618.215132]  free:13705 free_pcp:247 free_cma:0
[  618.217504] Call Trace:
[  618.226891] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  618.259909]  <IRQ>
[  618.262479] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  618.289976]  dump_stack+0x244/0x39d
[  618.292101] lowmem_reserve[]: 0 2818 6321 6321
[  618.318213]  ? dump_stack_print_info.cold.1+0x20/0x20
[  618.321817] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  618.326414]  warn_alloc.cold.116+0xb7/0x1bd
[  618.331609] lowmem_reserve[]: 0 0 3503 3503
[  618.359278]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  618.363578] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  618.367895]  ? lock_downgrade+0x900/0x900
[  618.372716] lowmem_reserve[]: 0 0 0 0
[  618.401605]  ? trace_hardirqs_off+0xb8/0x310
[  618.405724] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  618.409518]  ? trace_hardirqs_off+0xb8/0x310
[  618.413898] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  618.427418]  __alloc_pages_slowpath+0x2651/0x2de0
[  618.431801] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  618.446909]  ? warn_alloc+0x120/0x120
[  618.451717] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  618.466270]  ? print_usage_bug+0xc0/0xc0
[  618.470057] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  618.478882]  ? warn_alloc+0x120/0x120
[  618.482918] 274 total pagecache pages
[  618.491505]  ? warn_alloc+0x120/0x120
[  618.495289] 0 pages in swap cache
[  618.499081]  ? print_usage_bug+0xc0/0xc0
[  618.502861] Swap cache stats: add 0, delete 0, find 0/0
[  618.506303]  ? kvm_clock_read+0x18/0x30
[  618.510338] Free swap  = 0kB
[  618.515699]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  618.519648] Total swap = 0kB
[  618.522663]  ? print_usage_bug+0xc0/0xc0
[  618.527654] 1965979 pages RAM
[  618.530670]  ? __lock_acquire+0x62f/0x4c20
[  618.534709] 0 pages HighMem/MovableOnly
[  618.537814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  618.542025] 342854 pages reserved
[  618.545995]  ? should_fail+0x22d/0xd01
[  618.551504] 0 pages cma reserved
[  618.554948]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  618.558972] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  618.562172]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  618.567425] syz-fuzzer cpuset=/ mems_allowed=0
[  618.577643]  ? __lock_acquire+0x62f/0x4c20
[  618.591522]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  618.596639]  ? __lock_acquire+0x62f/0x4c20
[  618.600871]  ? should_fail+0x22d/0xd01
[  618.604773]  ? rcu_irq_exit+0x1a2/0x390
[  618.608772]  ? mark_held_locks+0x130/0x130
[  618.613029]  ? mark_held_locks+0x130/0x130
[  618.617283]  ? perf_trace_lock+0x14d/0x7a0
[  618.621530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  618.627085]  ? check_preemption_disabled+0x48/0x280
[  618.632104]  ? zap_class+0x640/0x640
[  618.635826]  ? debug_smp_processor_id+0x1c/0x20
[  618.640498]  ? perf_trace_lock+0x14d/0x7a0
[  618.644731]  ? check_preemption_disabled+0x48/0x280
[  618.649754]  ? lock_is_held_type+0x210/0x210
[  618.654162]  ? __lock_is_held+0xb5/0x140
[  618.658279]  __alloc_pages_nodemask+0xad8/0xea0
[  618.662951]  ? zap_class+0x640/0x640
[  618.666675]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  618.671706]  ? find_held_lock+0x36/0x1c0
[  618.675779]  ? ____cache_alloc_node+0x1c7/0x1e0
[  618.680453]  ? lock_downgrade+0x900/0x900
[  618.684614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  618.690158]  cache_grow_begin+0xa5/0x8c0
[  618.694221]  ? do_raw_spin_unlock+0xa7/0x330
[  618.698666]  fallback_alloc+0x204/0x2e0
[  618.702651]  ____cache_alloc_node+0x1c7/0x1e0
[  618.707155]  kmem_cache_alloc_node+0xe3/0x730
[  618.711653]  ? ipv6_get_ifaddr+0x42e/0x620
[  618.715900]  __alloc_skb+0x119/0x770
[  618.719615]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  618.724897]  ? netdev_alloc_frag+0x1f0/0x1f0
[  618.729311]  ? lock_downgrade+0x900/0x900
[  618.733467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  618.739010]  ? refcount_sub_and_test_checked+0x203/0x310
[  618.744471]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  618.749943]  ? addrconf_rs_timer+0x690/0x690
[  618.754369]  ndisc_alloc_skb+0x144/0x340
[  618.758441]  ndisc_send_rs+0x331/0x6e0
[  618.762342]  addrconf_rs_timer+0x314/0x690
[  618.766591]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  618.770847]  call_timer_fn+0x272/0x920
[  618.774738]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  618.778973]  ? process_timeout+0x40/0x40
[  618.783042]  ? __run_timers+0x7da/0xc70
[  618.787027]  ? _raw_spin_unlock_irq+0x27/0x80
[  618.791530]  ? _raw_spin_unlock_irq+0x27/0x80
[  618.796035]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  618.800274]  ? lockdep_hardirqs_on+0x296/0x5b0
[  618.804860]  ? trace_hardirqs_on+0xbd/0x310
[  618.809181]  ? kasan_check_read+0x11/0x20
[  618.813344]  ? __run_timers+0x7da/0xc70
[  618.817330]  ? trace_hardirqs_off_caller+0x310/0x310
[  618.822436]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  618.826680]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  618.830917]  __run_timers+0x7e5/0xc70
[  618.834735]  ? timer_fixup_init+0x70/0x70
[  618.838887]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  618.843910]  ? zap_class+0x640/0x640
[  618.847627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  618.853166]  ? check_preemption_disabled+0x48/0x280
[  618.858190]  ? debug_smp_processor_id+0x1c/0x20
[  618.862863]  ? perf_trace_lock+0x14d/0x7a0
[  618.867108]  ? find_held_lock+0x36/0x1c0
[  618.871192]  ? zap_class+0x640/0x640
[  618.874910]  ? pvclock_read_flags+0x160/0x160
[  618.879413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  618.884951]  ? check_preemption_disabled+0x48/0x280
[  618.889984]  ? __lock_is_held+0xb5/0x140
[  618.894049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  618.899613]  ? check_preemption_disabled+0x48/0x280
[  618.904642]  run_timer_softirq+0x52/0xb0
[  618.908747]  ? rcu_read_lock_sched_held+0x14f/0x180
[  618.913798]  __do_softirq+0x308/0xb7e
[  618.917604]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  618.922103]  ? lock_downgrade+0x900/0x900
[  618.926256]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  618.931366]  ? pvclock_read_flags+0x160/0x160
[  618.935866]  ? lapic_next_event+0x5a/0x90
[  618.940014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  618.945569]  ? kvm_clock_read+0x18/0x30
[  618.949545]  ? kvm_sched_clock_read+0x9/0x20
[  618.953970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  618.959508]  ? check_preemption_disabled+0x48/0x280
[  618.964561]  irq_exit+0x17f/0x1c0
[  618.968018]  smp_apic_timer_interrupt+0x1cb/0x760
[  618.972866]  ? smp_reschedule_interrupt+0x109/0x650
[  618.977890]  ? smp_call_function_single_interrupt+0x650/0x650
[  618.983778]  ? interrupt_entry+0xb5/0xc0
[  618.987844]  ? trace_hardirqs_off_caller+0xbb/0x310
[  618.992859]  ? trace_hardirqs_off_caller+0xbb/0x310
[  618.997894]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  619.002776]  ? trace_hardirqs_on_caller+0x310/0x310
[  619.007791]  ? trace_hardirqs_on_caller+0x310/0x310
[  619.012947]  ? task_prio+0x50/0x50
[  619.016491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.022036]  ? check_preemption_disabled+0x48/0x280
[  619.027089]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  619.031958]  apic_timer_interrupt+0xf/0x20
[  619.036189]  </IRQ>
[  619.038427] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  619.043357] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  619.062252] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  619.069962] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  619.077233] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  619.084503] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  619.091772] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  619.099056] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  619.106370]  skb_clone+0x1bb/0x500
[  619.109916]  ? skb_split+0x11e0/0x11e0
[  619.113813]  ? debug_smp_processor_id+0x1c/0x20
[  619.118484]  ? perf_trace_lock+0x14d/0x7a0
[  619.122718]  ? __switch_to_asm+0x34/0x70
[  619.126782]  ? __switch_to_asm+0x40/0x70
[  619.130841]  ? __switch_to_asm+0x40/0x70
[  619.134903]  ? __switch_to_asm+0x34/0x70
[  619.138971]  bpf_clone_redirect+0xb9/0x490
[  619.143756]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  619.148707]  ? __sched_text_start+0x8/0x8
[  619.152902]  ? find_held_lock+0x36/0x1c0
[  619.156977]  ? lock_acquire+0x1ed/0x520
[  619.160980]  ? bpf_test_run+0x3cb/0x780
[  619.164957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.170508]  ? check_preemption_disabled+0x48/0x280
[  619.175615]  ? kasan_check_read+0x11/0x20
[  619.179780]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  619.185063]  ? rcu_softirq_qs+0x20/0x20
[  619.189052]  ? preempt_schedule+0x4d/0x60
[  619.193212]  ? ___preempt_schedule+0x16/0x18
[  619.197640]  ? bpf_test_run+0x25d/0x780
[  619.201633]  ? netlink_diag_dump+0x2a0/0x2a0
[  619.206048]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  619.211629]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  619.216410]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  619.221258]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  619.226797]  ? fput+0x130/0x1a0
[  619.230094]  ? __bpf_prog_get+0x9b/0x290
[  619.234163]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  619.239008]  ? bpf_prog_test_run+0x130/0x1a0
[  619.243424]  ? __x64_sys_bpf+0x3d8/0x520
[  619.247492]  ? bpf_prog_get+0x20/0x20
[  619.251320]  ? do_syscall_64+0x1b9/0x820
[  619.255382]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  619.260753]  ? syscall_return_slowpath+0x5e0/0x5e0
[  619.265684]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  619.270533]  ? trace_hardirqs_on_caller+0x310/0x310
[  619.275568]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  619.280594]  ? prepare_exit_to_usermode+0x291/0x3b0
[  619.285627]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  619.290483]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  619.295868] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  619.295945] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  619.302890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  619.302902] Call Trace:
[  619.309827] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  619.318715]  <IRQ>
[  619.318732]  dump_stack+0x244/0x39d
[  619.318766]  ? dump_stack_print_info.cold.1+0x20/0x20
[  619.321632] syz-executor4 cpuset=syz4 mems_allowed=0
[  619.332124]  warn_alloc.cold.116+0xb7/0x1bd
[  619.332142]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  619.357482]  ? lock_downgrade+0x900/0x900
[  619.361645]  ? trace_hardirqs_off+0xb8/0x310
[  619.366062]  ? trace_hardirqs_off+0xb8/0x310
[  619.370480]  __alloc_pages_slowpath+0x2651/0x2de0
[  619.375373]  ? warn_alloc+0x120/0x120
[  619.379223]  ? warn_alloc+0x120/0x120
[  619.383025]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  619.388045]  ? warn_alloc+0x120/0x120
[  619.391854]  ? print_usage_bug+0xc0/0xc0
[  619.395920]  ? print_usage_bug+0xc0/0xc0
[  619.399984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.405521]  ? check_preemption_disabled+0x48/0x280
[  619.410631]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  619.416174]  ? should_fail+0x22d/0xd01
[  619.420072]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  619.425177]  ? __lock_acquire+0x62f/0x4c20
[  619.429432]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  619.434566]  ? should_fail+0x22d/0xd01
[  619.438488]  ? mark_held_locks+0x130/0x130
[  619.442731]  ? mark_held_locks+0x130/0x130
[  619.446966]  ? print_usage_bug+0xc0/0xc0
[  619.451035]  ? find_held_lock+0x36/0x1c0
[  619.455114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.460667]  ? check_preemption_disabled+0x48/0x280
[  619.465685]  ? zap_class+0x640/0x640
[  619.469404]  ? debug_smp_processor_id+0x1c/0x20
[  619.474070]  ? perf_trace_lock+0x14d/0x7a0
[  619.478321]  ? check_preemption_disabled+0x48/0x280
[  619.483344]  ? lock_is_held_type+0x210/0x210
[  619.487753]  ? __lock_is_held+0xb5/0x140
[  619.491822]  __alloc_pages_nodemask+0xad8/0xea0
[  619.496490]  ? zap_class+0x640/0x640
[  619.500227]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  619.505256]  ? find_held_lock+0x36/0x1c0
[  619.509330]  ? ____cache_alloc_node+0x1c7/0x1e0
[  619.514001]  ? lock_downgrade+0x900/0x900
[  619.518160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.523706]  cache_grow_begin+0xa5/0x8c0
[  619.527771]  ? do_raw_spin_unlock+0xa7/0x330
[  619.532191]  fallback_alloc+0x204/0x2e0
[  619.536172]  ____cache_alloc_node+0x1c7/0x1e0
[  619.540681]  kmem_cache_alloc_node+0xe3/0x730
[  619.545180]  ? mark_held_locks+0xc7/0x130
[  619.549345]  __alloc_skb+0x119/0x770
[  619.553078]  ? netdev_alloc_frag+0x1f0/0x1f0
[  619.557484]  ? do_raw_spin_trylock+0x270/0x270
[  619.562071]  ? kmem_cache_alloc_trace+0x353/0x750
[  619.566927]  ? queue_work_on+0x12c/0x1e0
[  619.570998]  ? switchdev_port_obj_del+0xdc/0x440
[  619.575772]  ? switchdev_trans_item_enqueue+0x260/0x260
[  619.581137]  ? lock_is_held_type+0x210/0x210
[  619.585563]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  619.590613]  __br_mdb_notify+0x4ff/0x15d0
[  619.594777]  ? __br_mdb_add+0x7f0/0x7f0
[  619.598775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.604313]  ? check_preemption_disabled+0x48/0x280
[  619.609337]  ? debug_smp_processor_id+0x1c/0x20
[  619.614007]  ? perf_trace_lock+0x14d/0x7a0
[  619.618251]  ? br_multicast_group_expired+0x96/0x610
[  619.623352]  ? lock_downgrade+0x900/0x900
[  619.627527]  br_mdb_notify+0x310/0x410
[  619.631429]  ? br_mdb_dump+0x27b0/0x27b0
[  619.635499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.641062]  br_multicast_group_expired+0x1bc/0x610
[  619.646085]  ? br_mdb_free+0x80/0x80
[  619.649830]  call_timer_fn+0x272/0x920
[  619.653741]  ? br_mdb_free+0x80/0x80
[  619.657453]  ? process_timeout+0x40/0x40
[  619.661527]  ? mark_held_locks+0xc7/0x130
[  619.665694]  ? _raw_spin_unlock_irq+0x27/0x80
[  619.670187]  ? _raw_spin_unlock_irq+0x27/0x80
[  619.674684]  ? br_mdb_free+0x80/0x80
[  619.678401]  ? lockdep_hardirqs_on+0x296/0x5b0
[  619.682990]  ? trace_hardirqs_on+0xbd/0x310
[  619.687314]  ? kasan_check_read+0x11/0x20
[  619.691463]  ? __run_timers+0x7da/0xc70
[  619.695449]  ? trace_hardirqs_off_caller+0x310/0x310
[  619.700600]  ? br_mdb_free+0x80/0x80
[  619.704321]  ? br_mdb_free+0x80/0x80
[  619.708033]  __run_timers+0x7e5/0xc70
[  619.711849]  ? timer_fixup_init+0x70/0x70
[  619.715998]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  619.721028]  ? zap_class+0x640/0x640
[  619.724747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.730288]  ? print_usage_bug+0xc0/0xc0
[  619.734357]  ? debug_smp_processor_id+0x1c/0x20
[  619.739024]  ? perf_trace_lock+0x14d/0x7a0
[  619.743267]  ? find_held_lock+0x36/0x1c0
[  619.747335]  ? zap_class+0x640/0x640
[  619.751059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.756601]  ? check_preemption_disabled+0x48/0x280
[  619.761647]  ? __lock_is_held+0xb5/0x140
[  619.765714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.771266]  ? check_preemption_disabled+0x48/0x280
[  619.776304]  run_timer_softirq+0x52/0xb0
[  619.780371]  ? rcu_read_lock_sched_held+0x14f/0x180
[  619.785398]  __do_softirq+0x308/0xb7e
[  619.789220]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  619.793717]  ? lock_downgrade+0x900/0x900
[  619.797876]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  619.802993]  ? pvclock_read_flags+0x160/0x160
[  619.807496]  ? lapic_next_event+0x5a/0x90
[  619.811654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.817214]  ? kvm_clock_read+0x18/0x30
[  619.821186]  ? kvm_sched_clock_read+0x9/0x20
[  619.825600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.831142]  ? check_preemption_disabled+0x48/0x280
[  619.836175]  irq_exit+0x17f/0x1c0
[  619.839631]  smp_apic_timer_interrupt+0x1cb/0x760
[  619.844470]  ? smp_reschedule_interrupt+0x109/0x650
[  619.849512]  ? smp_call_function_single_interrupt+0x650/0x650
[  619.855427]  ? interrupt_entry+0xb5/0xc0
[  619.859489]  ? trace_hardirqs_off_caller+0xbb/0x310
[  619.864507]  ? trace_hardirqs_off_caller+0xbb/0x310
[  619.869524]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  619.874379]  ? trace_hardirqs_on_caller+0x310/0x310
[  619.879395]  ? trace_hardirqs_on_caller+0x310/0x310
[  619.884412]  ? task_prio+0x50/0x50
[  619.887953]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  619.893493]  ? check_preemption_disabled+0x48/0x280
[  619.898522]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  619.903398]  apic_timer_interrupt+0xf/0x20
[  619.907626]  </IRQ>
[  619.909863] RIP: 0010:console_unlock+0x102f/0x1190
[  619.914820] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  619.933724] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  619.941448] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  619.948714] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  619.955981] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  619.963261] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  619.970527] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  619.977820]  ? netconsole_netdev_event+0x280/0x280
[  619.982762]  ? console_unlock+0x1026/0x1190
[  619.987110]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  619.991779]  ? vprintk_emit+0x846/0x990
[  619.995775]  ? lock_release+0xa00/0xa00
[  619.999751]  ? trace_hardirqs_on+0x30/0x310
[  620.004072]  ? vprintk_default+0x28/0x30
[  620.008162]  ? trace_hardirqs_off_caller+0x310/0x310
[  620.013266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.018809]  vprintk_emit+0x391/0x990
[  620.022650]  ? wake_up_klogd+0x180/0x180
[  620.026719]  ? find_held_lock+0x31/0x1c0
[  620.030791]  ? mark_held_locks+0xc7/0x130
[  620.034943]  ? _raw_spin_unlock_irq+0x27/0x80
[  620.039440]  ? _raw_spin_unlock_irq+0x27/0x80
[  620.043947]  vprintk_default+0x28/0x30
[  620.047857]  vprintk_func+0x7e/0x181
[  620.051605]  printk+0xa7/0xcf
[  620.054713]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  620.059473]  ? _raw_spin_unlock_irq+0x60/0x80
[  620.063982]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  620.069272]  dump_header+0x7cc/0xf72
[  620.072992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.078532]  ? check_preemption_disabled+0x48/0x280
[  620.083637]  ? pagefault_out_of_memory+0x197/0x197
[  620.088579]  ? debug_smp_processor_id+0x1c/0x20
[  620.093250]  ? perf_trace_lock+0x14d/0x7a0
[  620.097490]  ? mark_held_locks+0x130/0x130
[  620.101730]  ? lock_is_held_type+0x210/0x210
[  620.106146]  ? debug_smp_processor_id+0x1c/0x20
[  620.110822]  ? zap_class+0x640/0x640
[  620.114545]  ? lock_is_held_type+0x210/0x210
[  620.118979]  ? perf_trace_lock+0x14d/0x7a0
[  620.123220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.128764]  ? find_held_lock+0x36/0x1c0
[  620.132837]  ? mark_held_locks+0xc7/0x130
[  620.137019]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  620.142121]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  620.147230]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  620.151818]  ? trace_hardirqs_on+0xbd/0x310
[  620.156143]  ? kasan_check_read+0x11/0x20
[  620.160291]  ? ___ratelimit+0x3b4/0x672
[  620.164267]  ? trace_hardirqs_off_caller+0x310/0x310
[  620.169379]  ? trace_hardirqs_on+0x310/0x310
[  620.173805]  ? lock_downgrade+0x900/0x900
[  620.177997]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  620.183098]  ? ___ratelimit+0x3b9/0x672
[  620.187100]  ? idr_get_free+0xf70/0xf70
[  620.191094]  ? lock_is_held_type+0x210/0x210
[  620.195515]  oom_kill_process.cold.27+0x10/0x903
[  620.200301]  ? zap_class+0x640/0x640
[  620.204037]  ? _raw_spin_unlock+0x2c/0x50
[  620.208184]  ? oom_badness+0xe6/0xaa0
[  620.211992]  ? oom_evaluate_task+0x540/0x540
[  620.216405]  ? find_held_lock+0x36/0x1c0
[  620.220474]  ? out_of_memory+0x974/0x1430
[  620.224628]  ? lock_downgrade+0x900/0x900
[  620.228774]  ? check_preemption_disabled+0x48/0x280
[  620.233795]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  620.238728]  ? kasan_check_read+0x11/0x20
[  620.242879]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  620.248155]  ? rcu_softirq_qs+0x20/0x20
[  620.252141]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  620.257159]  ? oom_evaluate_task+0x302/0x540
[  620.261585]  out_of_memory+0xa84/0x1430
[  620.265599]  ? oom_killer_disable+0x3a0/0x3a0
[  620.270125]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  620.275056]  ? __ww_mutex_check_waiters+0x160/0x160
[  620.280087]  __alloc_pages_slowpath+0x232c/0x2de0
[  620.284966]  ? warn_alloc+0x120/0x120
[  620.288769]  ? mark_held_locks+0x130/0x130
[  620.293016]  ? find_get_entry+0xaae/0x1120
[  620.297261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.302804]  ? check_preemption_disabled+0x48/0x280
[  620.307829]  ? filemap_map_pages+0x1a20/0x1a20
[  620.312432]  ? debug_smp_processor_id+0x1c/0x20
[  620.317102]  ? perf_trace_lock+0x14d/0x7a0
[  620.321348]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  620.326903]  ? should_fail+0x22d/0xd01
[  620.330800]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  620.335919]  ? zap_class+0x640/0x640
[  620.339684]  ? __lock_is_held+0xb5/0x140
[  620.343771]  ? mark_held_locks+0x130/0x130
[  620.348016]  ? lock_release+0xa00/0xa00
[  620.351997]  ? perf_trace_sched_process_exec+0x860/0x860
[  620.357467]  ? xa_load+0x2ba/0x460
[  620.361011]  ? lock_downgrade+0x900/0x900
[  620.365169]  ? __might_sleep+0x95/0x190
[  620.369152]  __alloc_pages_nodemask+0xad8/0xea0
[  620.373836]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  620.378858]  ? __page_cache_alloc+0x191/0x5c0
[  620.383352]  ? xa_load+0x2e1/0x460
[  620.386894]  ? xa_clear_mark+0x40/0x40
[  620.390786]  ? zap_class+0x640/0x640
[  620.394594]  ? zap_class+0x640/0x640
[  620.398328]  ? zap_class+0x640/0x640
[  620.402055]  ? __do_page_cache_readahead+0x663/0x810
[  620.407196]  ? find_held_lock+0x36/0x1c0
[  620.411316]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  620.416861]  alloc_pages_current+0x173/0x350
[  620.421279]  __page_cache_alloc+0x38c/0x5c0
[  620.425600]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  620.430530]  ? kasan_check_read+0x11/0x20
[  620.434781]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  620.440064]  ? generic_perform_write+0x6a0/0x6a0
[  620.444828]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  620.450368]  ? check_preemption_disabled+0x48/0x280
[  620.455393]  filemap_fault+0x1595/0x25f0
[  620.459502]  ? __lock_page_or_retry+0xa00/0xa00
[  620.464178]  ? mark_held_locks+0x130/0x130
[  620.468423]  ? filemap_map_pages+0xd6b/0x1a20
[  620.472940]  ? lock_downgrade+0x900/0x900
[  620.477091]  ? check_preemption_disabled+0x48/0x280
[  620.482108]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  620.487034]  ? kasan_check_read+0x11/0x20
[  620.491181]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  620.496461]  ? rcu_softirq_qs+0x20/0x20
[  620.500451]  ? filemap_map_pages+0xd92/0x1a20
[  620.504961]  ? find_get_entries_tag+0x1400/0x1400
[  620.509825]  ? debug_object_destroy+0x2b0/0x2b0
[  620.514506]  ? lock_pi_update_atomic+0x150/0x150
[  620.519261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.524811]  ? lock_acquire+0x1ed/0x520
[  620.528782]  ? ext4_filemap_fault+0x7a/0xad
[  620.533127]  ? lock_release+0xa00/0xa00
[  620.537097]  ? perf_trace_sched_process_exec+0x860/0x860
[  620.542555]  ? print_usage_bug+0xc0/0xc0
[  620.546627]  ? print_usage_bug+0xc0/0xc0
[  620.550708]  ? down_read+0x8d/0x120
[  620.554336]  ? ext4_filemap_fault+0x7a/0xad
[  620.558675]  ? __down_interruptible+0x700/0x700
[  620.563354]  ext4_filemap_fault+0x82/0xad
[  620.567505]  __do_fault+0x100/0x6b0
[  620.571141]  ? pmd_devmap_trans_unstable+0x220/0x220
[  620.576253]  ? mark_held_locks+0x130/0x130
[  620.580492]  ? mark_held_locks+0x130/0x130
[  620.584731]  ? debug_smp_processor_id+0x1c/0x20
[  620.589397]  ? perf_trace_lock+0x14d/0x7a0
[  620.593643]  ? lock_downgrade+0x900/0x900
[  620.597800]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  620.603341]  __handle_mm_fault+0x3ea0/0x5be0
[  620.607759]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  620.612610]  ? lock_is_held_type+0x210/0x210
[  620.617022]  ? file_remove_privs+0x540/0x540
[  620.621431]  ? file_remove_privs+0x540/0x540
[  620.625871]  ? zap_class+0x640/0x640
[  620.629623]  ? zap_class+0x640/0x640
[  620.633349]  ? __x64_sys_futex+0x53e/0x6a0
[  620.637596]  ? find_held_lock+0x36/0x1c0
[  620.641670]  ? handle_mm_fault+0x42a/0xc70
[  620.645910]  ? lock_downgrade+0x900/0x900
[  620.650058]  ? check_preemption_disabled+0x48/0x280
[  620.655094]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  620.660023]  ? kasan_check_read+0x11/0x20
[  620.664177]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  620.669454]  ? rcu_softirq_qs+0x20/0x20
[  620.673434]  ? trace_hardirqs_off_caller+0x310/0x310
[  620.678541]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  620.684119]  ? check_preemption_disabled+0x48/0x280
[  620.689157]  handle_mm_fault+0x54f/0xc70
[  620.693227]  ? __handle_mm_fault+0x5be0/0x5be0
[  620.697818]  ? find_vma+0x34/0x190
[  620.701370]  __do_page_fault+0x5e8/0xe60
[  620.705450]  ? trace_hardirqs_off+0xb8/0x310
[  620.709929]  do_page_fault+0xf2/0x7e0
[  620.713734]  ? vmalloc_sync_all+0x30/0x30
[  620.717889]  ? error_entry+0x70/0xd0
[  620.721609]  ? trace_hardirqs_off_caller+0xbb/0x310
[  620.726628]  ? trace_hardirqs_on_caller+0xc0/0x310
[  620.731575]  ? syscall_return_slowpath+0x5e0/0x5e0
[  620.736506]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  620.741351]  ? trace_hardirqs_on_caller+0x310/0x310
[  620.746378]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  620.751837]  ? prepare_exit_to_usermode+0x291/0x3b0
[  620.756854]  ? page_fault+0x8/0x30
[  620.760398]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  620.765259]  ? page_fault+0x8/0x30
[  620.768798]  page_fault+0x1e/0x30
[  620.772248] RIP: 0033:0x45ddf3
[  620.775448] Code: Bad RIP value.
[  620.778839] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  620.784203] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  620.791471] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  620.798750] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  620.806020] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  620.813333] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  620.820651] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  620.820657] warn_alloc_show_mem: 1 callbacks suppressed
[  620.820688] Mem-Info:
[  620.828045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  620.833408] active_anon:147110 inactive_anon:190 isolated_anon:0
[  620.833408]  active_file:13 inactive_file:13 isolated_file:2
[  620.833408]  unevictable:1 dirty:0 writeback:0 unstable:0
[  620.833408]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  620.833408]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  620.833408]  free:13705 free_pcp:247 free_cma:0
[  620.835779] Call Trace:
[  620.845166] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  620.878184]  <IRQ>
[  620.880751] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  620.908244]  dump_stack+0x244/0x39d
[  620.910367] lowmem_reserve[]: 0 2818 6321 6321
[  620.936472]  ? dump_stack_print_info.cold.1+0x20/0x20
[  620.940090] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  620.944677]  warn_alloc.cold.116+0xb7/0x1bd
[  620.949832] lowmem_reserve[]: 0 0 3503 3503
[  620.977498]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  620.981798] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  620.986116]  ? lock_downgrade+0x900/0x900
[  620.990946] lowmem_reserve[]: 0 0 0 0
[  621.019981]  ? trace_hardirqs_off+0xb8/0x310
[  621.024106] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  621.027905]  ? trace_hardirqs_off+0xb8/0x310
[  621.032313] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  621.045831]  ? noop_count+0x40/0x40
[  621.050214] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  621.065334]  __alloc_pages_slowpath+0x2651/0x2de0
[  621.068939] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  621.083507]  ? check_usage+0x1aa/0x790
[  621.088315] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  621.097144]  ? warn_alloc+0x120/0x120
[  621.101014] 274 total pagecache pages
[  621.109588]  ? warn_alloc+0x120/0x120
[  621.113374] 0 pages in swap cache
[  621.117159]  ? __bfs+0xb0/0x780
[  621.120938] Swap cache stats: add 0, delete 0, find 0/0
[  621.124377]  ? print_bfs_bug+0x80/0x80
[  621.127637] Free swap  = 0kB
[  621.132994]  ? warn_alloc+0x120/0x120
[  621.136856] Total swap = 0kB
[  621.139869]  ? print_usage_bug+0xc0/0xc0
[  621.143799] 1965979 pages RAM
[  621.146832]  ? mark_held_locks+0x130/0x130
[  621.150867] 0 pages HighMem/MovableOnly
[  621.153968]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  621.158179] 342854 pages reserved
[  621.162143]  ? should_fail+0x22d/0xd01
[  621.167652] 0 pages cma reserved
[  621.171101]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  621.175146] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  621.178329]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  621.184202] syz-fuzzer cpuset=/ mems_allowed=0
[  621.194420]  ? __lock_acquire+0x62f/0x4c20
[  621.208302]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  621.213405]  ? should_fail+0x22d/0xd01
[  621.217310]  ? mark_held_locks+0x130/0x130
[  621.221574]  ? mark_held_locks+0x130/0x130
[  621.225815]  ? zap_class+0x640/0x640
[  621.229532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  621.235082]  ? check_preemption_disabled+0x48/0x280
[  621.240101]  ? zap_class+0x640/0x640
[  621.243823]  ? debug_smp_processor_id+0x1c/0x20
[  621.248492]  ? perf_trace_lock+0x14d/0x7a0
[  621.252728]  ? check_preemption_disabled+0x48/0x280
[  621.257757]  ? lock_is_held_type+0x210/0x210
[  621.262192]  ? __lock_is_held+0xb5/0x140
[  621.266276]  __alloc_pages_nodemask+0xad8/0xea0
[  621.270950]  ? zap_class+0x640/0x640
[  621.274682]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  621.279713]  ? find_held_lock+0x36/0x1c0
[  621.283789]  ? ____cache_alloc_node+0x1c7/0x1e0
[  621.288460]  ? lock_downgrade+0x900/0x900
[  621.292625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  621.298200]  cache_grow_begin+0xa5/0x8c0
[  621.302262]  ? do_raw_spin_unlock+0xa7/0x330
[  621.306681]  fallback_alloc+0x204/0x2e0
[  621.310667]  ____cache_alloc_node+0x1c7/0x1e0
[  621.315188]  kmem_cache_alloc_node+0xe3/0x730
[  621.319697]  ? mark_held_locks+0xc7/0x130
[  621.323859]  __alloc_skb+0x119/0x770
[  621.327591]  ? netdev_alloc_frag+0x1f0/0x1f0
[  621.332003]  ? do_raw_spin_trylock+0x270/0x270
[  621.336636]  ? kmem_cache_alloc_trace+0x353/0x750
[  621.341496]  ? queue_work_on+0x12c/0x1e0
[  621.345578]  ? switchdev_port_obj_del+0xdc/0x440
[  621.350344]  ? switchdev_trans_item_enqueue+0x260/0x260
[  621.355716]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  621.360741]  __br_mdb_notify+0x4ff/0x15d0
[  621.364890]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  621.370007]  ? __br_mdb_add+0x7f0/0x7f0
[  621.373984]  ? mark_held_locks+0x130/0x130
[  621.378265]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  621.383369]  ? debug_object_assert_init+0x368/0x4b0
[  621.388410]  ? debug_object_init_on_stack+0x20/0x20
[  621.393421]  ? zap_class+0x640/0x640
[  621.397135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  621.402686]  br_mdb_notify+0x310/0x410
[  621.406605]  ? br_mdb_dump+0x27b0/0x27b0
[  621.410687]  br_multicast_del_pg+0x3df/0x790
[  621.415118]  ? br_mdb_ip_get+0x940/0x940
[  621.419180]  ? rwlock_bug.part.2+0x90/0x90
[  621.423421]  ? __lock_is_held+0xb5/0x140
[  621.427496]  br_multicast_port_group_expired+0x189/0x1e0
[  621.432957]  call_timer_fn+0x272/0x920
[  621.436851]  ? br_multicast_del_pg+0x790/0x790
[  621.441433]  ? process_timeout+0x40/0x40
[  621.445509]  ? __run_timers+0x7da/0xc70
[  621.449490]  ? _raw_spin_unlock_irq+0x27/0x80
[  621.453988]  ? _raw_spin_unlock_irq+0x27/0x80
[  621.458481]  ? br_multicast_del_pg+0x790/0x790
[  621.463099]  ? lockdep_hardirqs_on+0x296/0x5b0
[  621.467684]  ? trace_hardirqs_on+0xbd/0x310
[  621.472012]  ? kasan_check_read+0x11/0x20
[  621.476185]  ? __run_timers+0x7da/0xc70
[  621.480166]  ? trace_hardirqs_off_caller+0x310/0x310
[  621.485294]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  621.489540]  ? br_multicast_del_pg+0x790/0x790
[  621.494147]  __run_timers+0x7e5/0xc70
[  621.497964]  ? timer_fixup_init+0x70/0x70
[  621.502167]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  621.507184]  ? zap_class+0x640/0x640
[  621.510902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  621.516442]  ? check_preemption_disabled+0x48/0x280
[  621.521470]  ? debug_smp_processor_id+0x1c/0x20
[  621.526139]  ? perf_trace_lock+0x14d/0x7a0
[  621.530382]  ? find_held_lock+0x36/0x1c0
[  621.534455]  ? zap_class+0x640/0x640
[  621.538175]  ? pvclock_read_flags+0x160/0x160
[  621.542677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  621.548216]  ? check_preemption_disabled+0x48/0x280
[  621.553237]  ? __lock_is_held+0xb5/0x140
[  621.557339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  621.562876]  ? check_preemption_disabled+0x48/0x280
[  621.567899]  run_timer_softirq+0x52/0xb0
[  621.571960]  ? rcu_read_lock_sched_held+0x14f/0x180
[  621.576993]  __do_softirq+0x308/0xb7e
[  621.580798]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  621.585307]  ? lock_downgrade+0x900/0x900
[  621.589463]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  621.594610]  ? pvclock_read_flags+0x160/0x160
[  621.599148]  ? lapic_next_event+0x5a/0x90
[  621.603302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  621.608876]  ? kvm_clock_read+0x18/0x30
[  621.612853]  ? kvm_sched_clock_read+0x9/0x20
[  621.617267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  621.622805]  ? check_preemption_disabled+0x48/0x280
[  621.627832]  irq_exit+0x17f/0x1c0
[  621.631290]  smp_apic_timer_interrupt+0x1cb/0x760
[  621.636127]  ? smp_reschedule_interrupt+0x109/0x650
[  621.641142]  ? smp_call_function_single_interrupt+0x650/0x650
[  621.647026]  ? interrupt_entry+0xb5/0xc0
[  621.651094]  ? trace_hardirqs_off_caller+0xbb/0x310
[  621.656107]  ? trace_hardirqs_off_caller+0xbb/0x310
[  621.661138]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  621.665981]  ? trace_hardirqs_on_caller+0x310/0x310
[  621.671001]  ? trace_hardirqs_on_caller+0x310/0x310
[  621.676020]  ? task_prio+0x50/0x50
[  621.679571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  621.685112]  ? check_preemption_disabled+0x48/0x280
[  621.690137]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  621.694992]  apic_timer_interrupt+0xf/0x20
[  621.699236]  </IRQ>
[  621.701472] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  621.706422] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  621.725320] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  621.733025] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  621.740292] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  621.747567] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  621.754838] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  621.762108] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  621.769413]  skb_clone+0x1bb/0x500
[  621.772960]  ? skb_split+0x11e0/0x11e0
[  621.776852]  ? debug_smp_processor_id+0x1c/0x20
[  621.781522]  ? perf_trace_lock+0x14d/0x7a0
[  621.785762]  ? __switch_to_asm+0x34/0x70
[  621.789823]  ? __switch_to_asm+0x40/0x70
[  621.793887]  ? __switch_to_asm+0x40/0x70
[  621.797943]  ? __switch_to_asm+0x34/0x70
[  621.802014]  bpf_clone_redirect+0xb9/0x490
[  621.806272]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  621.811210]  ? __sched_text_start+0x8/0x8
[  621.815376]  ? find_held_lock+0x36/0x1c0
[  621.819450]  ? lock_acquire+0x1ed/0x520
[  621.823424]  ? bpf_test_run+0x3cb/0x780
[  621.827400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  621.832936]  ? check_preemption_disabled+0x48/0x280
[  621.837962]  ? kasan_check_read+0x11/0x20
[  621.842126]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  621.847420]  ? rcu_softirq_qs+0x20/0x20
[  621.851395]  ? preempt_schedule+0x4d/0x60
[  621.855545]  ? ___preempt_schedule+0x16/0x18
[  621.859985]  ? bpf_test_run+0x25d/0x780
[  621.863990]  ? netlink_diag_dump+0x2a0/0x2a0
[  621.868401]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  621.873951]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  621.878717]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  621.883568]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  621.889107]  ? fput+0x130/0x1a0
[  621.892393]  ? __bpf_prog_get+0x9b/0x290
[  621.896457]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  621.901320]  ? bpf_prog_test_run+0x130/0x1a0
[  621.905751]  ? __x64_sys_bpf+0x3d8/0x520
[  621.909832]  ? bpf_prog_get+0x20/0x20
[  621.913658]  ? do_syscall_64+0x1b9/0x820
[  621.917718]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  621.923089]  ? syscall_return_slowpath+0x5e0/0x5e0
[  621.928018]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  621.932887]  ? trace_hardirqs_on_caller+0x310/0x310
[  621.937923]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  621.942945]  ? prepare_exit_to_usermode+0x291/0x3b0
[  621.947988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  621.952842]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  621.958230] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  621.958264] rcu: INFO: rcu_preempt self-detected stall on CPU
[  621.965252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  621.971392] rcu: 	1-...!: (1 GPs behind) idle=f8e/1/0x4000000000000004 softirq=23537/23538 fqs=0 
[  621.980452] Call Trace:
[  621.980458]  <IRQ>
[  621.980476]  dump_stack+0x244/0x39d
[  621.980494]  ? dump_stack_print_info.cold.1+0x20/0x20
[  621.980521]  warn_alloc.cold.116+0xb7/0x1bd
[  621.980537]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  621.980571]  ? lock_downgrade+0x900/0x900
[  621.980595]  ? trace_hardirqs_off+0xb8/0x310
[  621.980614]  ? trace_hardirqs_off+0xb8/0x310
[  621.980637]  __alloc_pages_slowpath+0x2651/0x2de0
[  621.980681]  ? warn_alloc+0x120/0x120
[  621.989962] rcu: 	 (t=10607 jiffies g=19093 q=62)
[  621.992547]  ? warn_alloc+0x120/0x120
[  621.994693] rcu: rcu_preempt kthread starved for 10607 jiffies! g19093 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[  621.998304]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  622.003473] rcu: RCU grace-period kthread stack dump:
[  622.007785]  ? warn_alloc+0x120/0x120
[  622.012605] rcu_preempt     R  running task    23000    10      2 0x80000000
[  622.016764]  ? print_usage_bug+0xc0/0xc0
[  622.021149] Call Trace:
[  622.025558]  ? print_usage_bug+0xc0/0xc0
[  622.030401]  __schedule+0x8cf/0x21d0
[  622.034185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.039021]  ? __sched_text_start+0x8/0x8
[  622.042803]  ? check_preemption_disabled+0x48/0x280
[  622.053280]  ? add_timer_on+0xa20/0xa20
[  622.058283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  622.063451]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  622.067268]  ? should_fail+0x22d/0xd01
[  622.074436]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  622.078481]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  622.081054]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  622.085102]  ? __lock_acquire+0x62f/0x4c20
[  622.088799]  ? trace_hardirqs_on+0xbd/0x310
[  622.094319]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  622.098453]  ? kasan_check_read+0x11/0x20
[  622.098472]  ? prepare_to_swait_event+0x25a/0x800
[  622.103478]  ? should_fail+0x22d/0xd01
[  622.107437]  ? trace_hardirqs_off_caller+0x310/0x310
[  622.112967]  ? mark_held_locks+0x130/0x130
[  622.118055]  schedule+0xfe/0x460
[  622.121924]  ? mark_held_locks+0x130/0x130
[  622.127011]  ? __schedule+0x21d0/0x21d0
[  622.132130]  ? print_usage_bug+0xc0/0xc0
[  622.136713]  ? prepare_to_swait_event+0x25a/0x800
[  622.140945]  ? find_held_lock+0x36/0x1c0
[  622.145298]  ? __init_swait_queue_head+0x150/0x150
[  622.150400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.154537]  ? __lockdep_init_map+0x105/0x590
[  622.159383]  ? check_preemption_disabled+0x48/0x280
[  622.163252]  ? lockdep_init_map+0x9/0x10
[  622.168337]  ? zap_class+0x640/0x640
[  622.172567]  schedule_timeout+0x140/0x260
[  622.175925]  ? debug_smp_processor_id+0x1c/0x20
[  622.180141]  ? usleep_range+0x1a0/0x1a0
[  622.184105]  ? perf_trace_lock+0x14d/0x7a0
[  622.188157]  ? __next_timer_interrupt+0x1a0/0x1a0
[  622.192999]  ? check_preemption_disabled+0x48/0x280
[  622.197055]  rcu_gp_fqs_loop+0x762/0xa80
[  622.201971]  ? lock_is_held_type+0x210/0x210
[  622.207530]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  622.212007]  ? __lock_is_held+0xb5/0x140
[  622.217007]  ? trace_hardirqs_off_caller+0x310/0x310
[  622.221057]  __alloc_pages_nodemask+0xad8/0xea0
[  622.224771]  ? perf_trace_sched_process_exec+0x860/0x860
[  622.228906]  ? zap_class+0x640/0x640
[  622.233568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.237571]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  622.241788]  ? rcu_gp_init+0x90b/0x1260
[  622.246626]  ? find_held_lock+0x36/0x1c0
[  622.251622]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  622.255677]  ? ____cache_alloc_node+0x1c7/0x1e0
[  622.260073]  ? rcu_accelerate_cbs+0x562/0xae0
[  622.264811]  ? lock_downgrade+0x900/0x900
[  622.268855]  ? zap_class+0x640/0x640
[  622.273947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.278602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.284041]  cache_grow_begin+0xa5/0x8c0
[  622.287740]  ? check_preemption_disabled+0x48/0x280
[  622.293290]  ? do_raw_spin_unlock+0xa7/0x330
[  622.298291]  ? debug_smp_processor_id+0x1c/0x20
[  622.302255]  fallback_alloc+0x204/0x2e0
[  622.306297]  ? show_schedstat+0x551/0xf30
[  622.311040]  ____cache_alloc_node+0x1c7/0x1e0
[  622.315699]  ? lock_is_held_type+0x210/0x210
[  622.320180]  kmem_cache_alloc_node+0xe3/0x730
[  622.324312]  ? __lock_is_held+0xb5/0x140
[  622.328011]  ? mark_held_locks+0xc7/0x130
[  622.333547]  ? zap_class+0x640/0x640
[  622.339092]  __alloc_skb+0x119/0x770
[  622.343134]  ? rcu_accelerate_cbs+0x562/0xae0
[  622.348139]  ? netdev_alloc_frag+0x1f0/0x1f0
[  622.352536]  ? find_held_lock+0x36/0x1c0
[  622.357180]  ? do_raw_spin_trylock+0x270/0x270
[  622.361148]  ? rcu_gp_kthread+0x8cf/0xc70
[  622.365292]  ? kmem_cache_alloc_trace+0x353/0x750
[  622.369774]  ? _raw_spin_unlock_irq+0x27/0x80
[  622.374172]  ? queue_work_on+0x12c/0x1e0
[  622.378654]  ? _raw_spin_unlock_irq+0x27/0x80
[  622.382703]  ? switchdev_port_obj_del+0xdc/0x440
[  622.386828]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  622.390524]  ? switchdev_trans_item_enqueue+0x260/0x260
[  622.394246]  ? trace_hardirqs_on+0xbd/0x310
[  622.398724]  ? lock_is_held_type+0x210/0x210
[  622.403118]  ? kasan_check_read+0x11/0x20
[  622.407163]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  622.411727]  ? trace_hardirqs_off_caller+0x310/0x310
[  622.415865]  __br_mdb_notify+0x4ff/0x15d0
[  622.420687]  ? perf_trace_sched_process_exec+0x860/0x860
[  622.425189]  ? __br_mdb_add+0x7f0/0x7f0
[  622.429224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.433704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.438453]  rcu_gp_kthread+0x341/0xc70
[  622.443015]  ? check_preemption_disabled+0x48/0x280
[  622.448365]  ? rcu_gp_init+0x1260/0x1260
[  622.452700]  ? debug_smp_processor_id+0x1c/0x20
[  622.457091]  ? mark_held_locks+0x130/0x130
[  622.461225]  ? perf_trace_lock+0x14d/0x7a0
[  622.466224]  ? __schedule+0x168a/0x21d0
[  622.471314]  ? br_multicast_group_expired+0x96/0x610
[  622.475446]  ? _raw_spin_unlock_irq+0x27/0x80
[  622.480881]  ? lock_downgrade+0x900/0x900
[  622.484842]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  622.490368]  br_mdb_notify+0x310/0x410
[  622.495887]  ? trace_hardirqs_on+0xbd/0x310
[  622.499845]  ? br_mdb_dump+0x27b0/0x27b0
[  622.504845]  ? kasan_check_read+0x11/0x20
[  622.508892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.513542]  ? __schedule+0x168a/0x21d0
[  622.517782]  br_multicast_group_expired+0x1bc/0x610
[  622.521996]  ? trace_hardirqs_off_caller+0x310/0x310
[  622.525955]  ? br_mdb_free+0x80/0x80
[  622.531045]  ? lock_pin_lock+0x350/0x350
[  622.535532]  call_timer_fn+0x272/0x920
[  622.539661]  ? _raw_spin_unlock_irq+0x60/0x80
[  622.544224]  ? br_mdb_free+0x80/0x80
[  622.548100]  ? __schedule+0x168a/0x21d0
[  622.552408]  ? process_timeout+0x40/0x40
[  622.556455]  ? __switch_to_asm+0x40/0x70
[  622.560598]  ? mark_held_locks+0xc7/0x130
[  622.566116]  ? __switch_to_asm+0x40/0x70
[  622.570094]  ? _raw_spin_unlock_irq+0x27/0x80
[  622.575102]  ? show_schedstat+0x551/0xf30
[  622.580186]  ? _raw_spin_unlock_irq+0x27/0x80
[  622.583916]  ? __sched_text_start+0x8/0x8
[  622.587972]  ? br_mdb_free+0x80/0x80
[  622.591849]  ? find_held_lock+0x36/0x1c0
[  622.596351]  ? lockdep_hardirqs_on+0x296/0x5b0
[  622.600078]  ? __kthread_parkme+0xce/0x1a0
[  622.604029]  ? trace_hardirqs_on+0xbd/0x310
[  622.608080]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  622.612123]  ? kasan_check_read+0x11/0x20
[  622.616252]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  622.620334]  ? __run_timers+0x7da/0xc70
[  622.624829]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  622.628989]  ? trace_hardirqs_off_caller+0x310/0x310
[  622.633469]  ? trace_hardirqs_on+0xbd/0x310
[  622.637620]  ? br_mdb_free+0x80/0x80
[  622.641318]  ? kasan_check_read+0x11/0x20
[  622.645369]  ? br_mdb_free+0x80/0x80
[  622.649938]  ? __kthread_parkme+0xce/0x1a0
[  622.654159]  __run_timers+0x7e5/0xc70
[  622.658469]  ? trace_hardirqs_off_caller+0x310/0x310
[  622.663580]  ? timer_fixup_init+0x70/0x70
[  622.667710]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  622.672791]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  622.676749]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  622.681333]  ? zap_class+0x640/0x640
[  622.686431]  ? __kthread_parkme+0xfb/0x1a0
[  622.690750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.694454]  ? rcu_gp_init+0x1260/0x1260
[  622.698594]  ? print_usage_bug+0xc0/0xc0
[  622.702288]  kthread+0x35a/0x440
[  622.706521]  ? debug_smp_processor_id+0x1c/0x20
[  622.710343]  ? kthread_stop+0x900/0x900
[  622.715432]  ? perf_trace_lock+0x14d/0x7a0
[  622.719593]  ret_from_fork+0x3a/0x50
[  622.724688]  ? find_held_lock+0x36/0x1c0
[  622.729702] NMI backtrace for cpu 1
[  622.735217]  ? zap_class+0x640/0x640
[  622.788002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.793540]  ? check_preemption_disabled+0x48/0x280
[  622.798597]  ? __lock_is_held+0xb5/0x140
[  622.802666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.808206]  ? check_preemption_disabled+0x48/0x280
[  622.813232]  run_timer_softirq+0x52/0xb0
[  622.817293]  ? rcu_read_lock_sched_held+0x14f/0x180
[  622.822314]  __do_softirq+0x308/0xb7e
[  622.826126]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  622.830625]  ? lock_downgrade+0x900/0x900
[  622.834779]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  622.839897]  ? pvclock_read_flags+0x160/0x160
[  622.844397]  ? lapic_next_event+0x5a/0x90
[  622.848544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.854121]  ? kvm_clock_read+0x18/0x30
[  622.858098]  ? kvm_sched_clock_read+0x9/0x20
[  622.862507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.868047]  ? check_preemption_disabled+0x48/0x280
[  622.873073]  irq_exit+0x17f/0x1c0
[  622.876533]  smp_apic_timer_interrupt+0x1cb/0x760
[  622.881387]  ? smp_reschedule_interrupt+0x109/0x650
[  622.886416]  ? smp_call_function_single_interrupt+0x650/0x650
[  622.892300]  ? interrupt_entry+0xb5/0xc0
[  622.896364]  ? trace_hardirqs_off_caller+0xbb/0x310
[  622.901379]  ? trace_hardirqs_off_caller+0xbb/0x310
[  622.906429]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  622.911276]  ? trace_hardirqs_on_caller+0x310/0x310
[  622.916324]  ? trace_hardirqs_on_caller+0x310/0x310
[  622.921341]  ? task_prio+0x50/0x50
[  622.924887]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  622.930443]  ? check_preemption_disabled+0x48/0x280
[  622.935497]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  622.940362]  apic_timer_interrupt+0xf/0x20
[  622.944595]  </IRQ>
[  622.946839] RIP: 0010:console_unlock+0x102f/0x1190
[  622.951770] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  622.970668] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  622.978374] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  622.985654] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  622.992925] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  623.000190] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  623.007457] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  623.015191]  ? netconsole_netdev_event+0x280/0x280
[  623.020158]  ? console_unlock+0x1026/0x1190
[  623.024519]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  623.029230]  ? vprintk_emit+0x846/0x990
[  623.033212]  ? lock_release+0xa00/0xa00
[  623.037192]  ? trace_hardirqs_on+0x30/0x310
[  623.041516]  ? vprintk_default+0x28/0x30
[  623.045593]  ? trace_hardirqs_off_caller+0x310/0x310
[  623.050701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.056268]  vprintk_emit+0x391/0x990
[  623.060075]  ? wake_up_klogd+0x180/0x180
[  623.064147]  ? find_held_lock+0x31/0x1c0
[  623.068223]  ? mark_held_locks+0xc7/0x130
[  623.072393]  ? _raw_spin_unlock_irq+0x27/0x80
[  623.076908]  ? _raw_spin_unlock_irq+0x27/0x80
[  623.081411]  vprintk_default+0x28/0x30
[  623.085304]  vprintk_func+0x7e/0x181
[  623.089018]  printk+0xa7/0xcf
[  623.092130]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  623.096893]  ? _raw_spin_unlock_irq+0x60/0x80
[  623.101400]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  623.106690]  dump_header+0x7cc/0xf72
[  623.110409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.115948]  ? check_preemption_disabled+0x48/0x280
[  623.120970]  ? pagefault_out_of_memory+0x197/0x197
[  623.125904]  ? debug_smp_processor_id+0x1c/0x20
[  623.130586]  ? perf_trace_lock+0x14d/0x7a0
[  623.134827]  ? mark_held_locks+0x130/0x130
[  623.139070]  ? lock_is_held_type+0x210/0x210
[  623.143632]  ? debug_smp_processor_id+0x1c/0x20
[  623.148304]  ? zap_class+0x640/0x640
[  623.152023]  ? lock_is_held_type+0x210/0x210
[  623.156429]  ? perf_trace_lock+0x14d/0x7a0
[  623.160669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.166212]  ? find_held_lock+0x36/0x1c0
[  623.170300]  ? mark_held_locks+0xc7/0x130
[  623.174452]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  623.179566]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  623.184693]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  623.189279]  ? trace_hardirqs_on+0xbd/0x310
[  623.193613]  ? kasan_check_read+0x11/0x20
[  623.197761]  ? ___ratelimit+0x3b4/0x672
[  623.201772]  ? trace_hardirqs_off_caller+0x310/0x310
[  623.206904]  ? trace_hardirqs_on+0x310/0x310
[  623.211313]  ? lock_downgrade+0x900/0x900
[  623.215465]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  623.220584]  ? ___ratelimit+0x3b9/0x672
[  623.224581]  ? idr_get_free+0xf70/0xf70
[  623.228577]  ? lock_is_held_type+0x210/0x210
[  623.232995]  oom_kill_process.cold.27+0x10/0x903
[  623.237749]  ? zap_class+0x640/0x640
[  623.241463]  ? _raw_spin_unlock+0x2c/0x50
[  623.245609]  ? oom_badness+0xe6/0xaa0
[  623.249431]  ? oom_evaluate_task+0x540/0x540
[  623.253843]  ? find_held_lock+0x36/0x1c0
[  623.257914]  ? out_of_memory+0x974/0x1430
[  623.262064]  ? lock_downgrade+0x900/0x900
[  623.266212]  ? check_preemption_disabled+0x48/0x280
[  623.271248]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  623.276176]  ? kasan_check_read+0x11/0x20
[  623.280324]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  623.285601]  ? rcu_softirq_qs+0x20/0x20
[  623.289589]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  623.294605]  ? oom_evaluate_task+0x302/0x540
[  623.299016]  out_of_memory+0xa84/0x1430
[  623.303017]  ? oom_killer_disable+0x3a0/0x3a0
[  623.307571]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  623.312536]  ? __ww_mutex_check_waiters+0x160/0x160
[  623.317598]  __alloc_pages_slowpath+0x232c/0x2de0
[  623.322480]  ? warn_alloc+0x120/0x120
[  623.326281]  ? mark_held_locks+0x130/0x130
[  623.330526]  ? find_get_entry+0xaae/0x1120
[  623.334781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.340382]  ? check_preemption_disabled+0x48/0x280
[  623.345426]  ? filemap_map_pages+0x1a20/0x1a20
[  623.350012]  ? debug_smp_processor_id+0x1c/0x20
[  623.354698]  ? perf_trace_lock+0x14d/0x7a0
[  623.358953]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  623.364487]  ? should_fail+0x22d/0xd01
[  623.368399]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  623.373504]  ? zap_class+0x640/0x640
[  623.377247]  ? __lock_is_held+0xb5/0x140
[  623.381325]  ? mark_held_locks+0x130/0x130
[  623.385579]  ? lock_release+0xa00/0xa00
[  623.389584]  ? perf_trace_sched_process_exec+0x860/0x860
[  623.395055]  ? xa_load+0x2ba/0x460
[  623.398610]  ? lock_downgrade+0x900/0x900
[  623.402765]  ? __might_sleep+0x95/0x190
[  623.406745]  __alloc_pages_nodemask+0xad8/0xea0
[  623.411423]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  623.416454]  ? __page_cache_alloc+0x191/0x5c0
[  623.420949]  ? xa_load+0x2e1/0x460
[  623.424497]  ? xa_clear_mark+0x40/0x40
[  623.428390]  ? zap_class+0x640/0x640
[  623.432117]  ? zap_class+0x640/0x640
[  623.435829]  ? zap_class+0x640/0x640
[  623.439542]  ? __do_page_cache_readahead+0x663/0x810
[  623.444665]  ? find_held_lock+0x36/0x1c0
[  623.448734]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  623.454310]  alloc_pages_current+0x173/0x350
[  623.458732]  __page_cache_alloc+0x38c/0x5c0
[  623.463057]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  623.468015]  ? kasan_check_read+0x11/0x20
[  623.472164]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  623.477444]  ? generic_perform_write+0x6a0/0x6a0
[  623.482206]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  623.487750]  ? check_preemption_disabled+0x48/0x280
[  623.492781]  filemap_fault+0x1595/0x25f0
[  623.496863]  ? __lock_page_or_retry+0xa00/0xa00
[  623.501538]  ? mark_held_locks+0x130/0x130
[  623.505802]  ? filemap_map_pages+0xd6b/0x1a20
[  623.510299]  ? lock_downgrade+0x900/0x900
[  623.514447]  ? check_preemption_disabled+0x48/0x280
[  623.519468]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  623.524399]  ? kasan_check_read+0x11/0x20
[  623.528576]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  623.533868]  ? rcu_softirq_qs+0x20/0x20
[  623.537862]  ? filemap_map_pages+0xd92/0x1a20
[  623.542376]  ? find_get_entries_tag+0x1400/0x1400
[  623.547222]  ? debug_object_destroy+0x2b0/0x2b0
[  623.551896]  ? lock_pi_update_atomic+0x150/0x150
[  623.556654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.562212]  ? lock_acquire+0x1ed/0x520
[  623.566186]  ? ext4_filemap_fault+0x7a/0xad
[  623.570515]  ? lock_release+0xa00/0xa00
[  623.574492]  ? perf_trace_sched_process_exec+0x860/0x860
[  623.579945]  ? print_usage_bug+0xc0/0xc0
[  623.584014]  ? print_usage_bug+0xc0/0xc0
[  623.588094]  ? down_read+0x8d/0x120
[  623.591719]  ? ext4_filemap_fault+0x7a/0xad
[  623.596062]  ? __down_interruptible+0x700/0x700
[  623.600757]  ext4_filemap_fault+0x82/0xad
[  623.604912]  __do_fault+0x100/0x6b0
[  623.608548]  ? pmd_devmap_trans_unstable+0x220/0x220
[  623.613682]  ? mark_held_locks+0x130/0x130
[  623.617919]  ? mark_held_locks+0x130/0x130
[  623.622191]  ? debug_smp_processor_id+0x1c/0x20
[  623.626879]  ? perf_trace_lock+0x14d/0x7a0
[  623.631116]  ? lock_downgrade+0x900/0x900
[  623.635268]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  623.640813]  __handle_mm_fault+0x3ea0/0x5be0
[  623.645234]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  623.650079]  ? lock_is_held_type+0x210/0x210
[  623.654490]  ? file_remove_privs+0x540/0x540
[  623.658900]  ? file_remove_privs+0x540/0x540
[  623.663325]  ? zap_class+0x640/0x640
[  623.667039]  ? zap_class+0x640/0x640
[  623.670753]  ? __x64_sys_futex+0x53e/0x6a0
[  623.674996]  ? find_held_lock+0x36/0x1c0
[  623.679068]  ? handle_mm_fault+0x42a/0xc70
[  623.683307]  ? lock_downgrade+0x900/0x900
[  623.687472]  ? check_preemption_disabled+0x48/0x280
[  623.692492]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  623.697423]  ? kasan_check_read+0x11/0x20
[  623.701611]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  623.706888]  ? rcu_softirq_qs+0x20/0x20
[  623.710863]  ? trace_hardirqs_off_caller+0x310/0x310
[  623.715974]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  623.721518]  ? check_preemption_disabled+0x48/0x280
[  623.726560]  handle_mm_fault+0x54f/0xc70
[  623.730638]  ? __handle_mm_fault+0x5be0/0x5be0
[  623.735225]  ? find_vma+0x34/0x190
[  623.738775]  __do_page_fault+0x5e8/0xe60
[  623.742835]  ? trace_hardirqs_off+0xb8/0x310
[  623.747260]  do_page_fault+0xf2/0x7e0
[  623.751063]  ? vmalloc_sync_all+0x30/0x30
[  623.755210]  ? error_entry+0x70/0xd0
[  623.758926]  ? trace_hardirqs_off_caller+0xbb/0x310
[  623.763967]  ? trace_hardirqs_on_caller+0xc0/0x310
[  623.768900]  ? syscall_return_slowpath+0x5e0/0x5e0
[  623.773828]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  623.778675]  ? trace_hardirqs_on_caller+0x310/0x310
[  623.783707]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  623.789162]  ? prepare_exit_to_usermode+0x291/0x3b0
[  623.794183]  ? page_fault+0x8/0x30
[  623.797733]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  623.802592]  ? page_fault+0x8/0x30
[  623.806140]  page_fault+0x1e/0x30
[  623.809595] RIP: 0033:0x45ddf3
[  623.812804] Code: Bad RIP value.
[  623.816170] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  623.821530] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  623.828813] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  623.836081] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  623.843345] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  623.850611] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  623.857914] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  623.857920] warn_alloc_show_mem: 1 callbacks suppressed
[  623.857928] Mem-Info:
[  623.865288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  623.870655] active_anon:147110 inactive_anon:190 isolated_anon:0
[  623.870655]  active_file:13 inactive_file:13 isolated_file:2
[  623.870655]  unevictable:1 dirty:0 writeback:0 unstable:0
[  623.870655]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  623.870655]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  623.870655]  free:13705 free_pcp:247 free_cma:0
[  623.873047] Call Trace:
[  623.882435] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  623.915451]  <IRQ>
[  623.918017] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  623.945537]  dump_stack+0x244/0x39d
[  623.947670] lowmem_reserve[]: 0 2818 6321 6321
[  623.973777]  ? dump_stack_print_info.cold.1+0x20/0x20
[  623.977381] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  623.981968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.987159] lowmem_reserve[]: 0 0 3503 3503
[  624.014829]  ? do_raw_spin_lock+0x14f/0x350
[  624.020340] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  624.024671]  nmi_cpu_backtrace.cold.2+0x5c/0xa1
[  624.028983] lowmem_reserve[]: 0 0 0 0
[  624.057866]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  624.062510] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  624.066305]  nmi_trigger_cpumask_backtrace+0x1e8/0x22a
[  624.071491] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  624.085005]  arch_trigger_cpumask_backtrace+0x14/0x20
[  624.090255] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  624.105342]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  624.110516] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  624.125094]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  624.129471] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  624.138290]  ? print_other_cpu_stall+0x160/0x160
[  624.143024] 274 total pagecache pages
[  624.151594]  ? print_usage_bug+0xc0/0xc0
[  624.156334] 0 pages in swap cache
[  624.160122]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  624.164177] Swap cache stats: add 0, delete 0, find 0/0
[  624.167625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.172532] Free swap  = 0kB
[  624.177894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.183407] Total swap = 0kB
[  624.186422]  ? do_trace_rcu_torture_read+0x10/0x10
[  624.191935] 1965979 pages RAM
[  624.194951]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  624.199853] 0 pages HighMem/MovableOnly
[  624.202948]  ? __lock_is_held+0xb5/0x140
[  624.208202] 342854 pages reserved
[  624.212172]  ? __rcu_read_lock+0x50/0x50
[  624.216210] 0 pages cma reserved
[  624.219659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.223855] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  624.227058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.232593] syz-fuzzer cpuset=/ mems_allowed=0
[  624.242814]  ? check_preemption_disabled+0x48/0x280
[  624.257935]  rcu_check_callbacks+0xf3b/0x13f0
[  624.262436]  ? rcutree_dead_cpu+0x10/0x10
[  624.266585]  ? debug_smp_processor_id+0x1c/0x20
[  624.271281]  ? perf_trace_lock+0x14d/0x7a0
[  624.275526]  ? lock_is_held_type+0x1c0/0x210
[  624.279946]  ? lock_is_held_type+0x210/0x210
[  624.284367]  ? zap_class+0x640/0x640
[  624.288091]  ? zap_class+0x640/0x640
[  624.291825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.297419]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  624.302012]  ? kvm_set_tsc_khz+0x540/0x540
[  624.306255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.311800]  ? find_held_lock+0x36/0x1c0
[  624.315884]  ? zap_class+0x640/0x640
[  624.319606]  ? timekeeping_advance+0x3cc/0xc00
[  624.324193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.329732]  ? check_preemption_disabled+0x48/0x280
[  624.334755]  ? trace_hardirqs_off+0xb8/0x310
[  624.339167]  ? __lock_is_held+0xb5/0x140
[  624.343230]  ? trace_hardirqs_on+0x310/0x310
[  624.347642]  ? check_preemption_disabled+0x48/0x280
[  624.352673]  ? raise_softirq+0x199/0x420
[  624.356740]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  624.361411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.366962]  ? check_preemption_disabled+0x48/0x280
[  624.372013]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  624.377586]  ? hrtimer_run_queues+0x9a/0x400
[  624.382000]  ? run_local_timers+0x19b/0x230
[  624.386322]  ? timer_clear_idle+0x90/0x90
[  624.390470]  ? debug_smp_processor_id+0x1c/0x20
[  624.395148]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  624.401133]  ? account_process_tick+0x282/0x350
[  624.405815]  update_process_times+0x2d/0x70
[  624.410141]  tick_sched_handle+0x9f/0x180
[  624.414298]  tick_sched_timer+0x45/0x130
[  624.418364]  __hrtimer_run_queues+0x41c/0x10d0
[  624.422962]  ? tick_sched_do_timer+0x1a0/0x1a0
[  624.427564]  ? hrtimer_start_range_ns+0xe00/0xe00
[  624.432436]  ? pvclock_read_flags+0x160/0x160
[  624.436936]  ? trace_hardirqs_on+0x310/0x310
[  624.441344]  ? zap_class+0x640/0x640
[  624.445073]  ? kvm_clock_read+0x18/0x30
[  624.449050]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  624.454078]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  624.459453]  ? do_timer+0x50/0x50
[  624.462953]  ? rwlock_bug.part.2+0x90/0x90
[  624.467185]  ? trace_hardirqs_on+0x310/0x310
[  624.471598]  ? rcu_softirq_qs+0x20/0x20
[  624.475621]  hrtimer_interrupt+0x313/0x780
[  624.479882]  smp_apic_timer_interrupt+0x1a1/0x760
[  624.484733]  ? smp_call_function_single_interrupt+0x650/0x650
[  624.490636]  ? interrupt_entry+0xb5/0xc0
[  624.494705]  ? trace_hardirqs_off_caller+0xbb/0x310
[  624.499726]  ? ____cache_alloc_node+0x1c7/0x1e0
[  624.504400]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  624.509244]  ? trace_hardirqs_on_caller+0x310/0x310
[  624.514278]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  624.519137]  apic_timer_interrupt+0xf/0x20
[  624.523375] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  624.528741] Code: 3f 7e 0f 85 32 ff ff ff e8 65 1b 3e ff e9 28 ff ff ff e8 0c 51 c3 ff 48 83 3d a4 99 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  624.547640] RSP: 0000:ffff8881daf071d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  624.555360] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff11033d711f6
[  624.562628] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  624.569895] RBP: ffff8881daf07248 R08: ffff88819eb88fb0 R09: 0000000000000002
[  624.577177] R10: 0000000000000000 R11: ffff88819eb886c0 R12: ffff8881d9bdcc00
[  624.584444] R13: ffff8881d9bdcc00 R14: 0000000000000000 R15: 0000000000000286
[  624.591717]  ? apic_timer_interrupt+0xa/0x20
[  624.596166]  ? mark_held_locks+0xc7/0x130
[  624.600329]  __alloc_skb+0x119/0x770
[  624.604052]  ? netdev_alloc_frag+0x1f0/0x1f0
[  624.608470]  ? do_raw_spin_trylock+0x270/0x270
[  624.613053]  ? kmem_cache_alloc_trace+0x353/0x750
[  624.617908]  ? queue_work_on+0x12c/0x1e0
[  624.621978]  ? switchdev_port_obj_del+0xdc/0x440
[  624.626743]  ? switchdev_trans_item_enqueue+0x260/0x260
[  624.632110]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  624.637132]  __br_mdb_notify+0x4ff/0x15d0
[  624.641297]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  624.646427]  ? __br_mdb_add+0x7f0/0x7f0
[  624.650408]  ? mark_held_locks+0x130/0x130
[  624.654695]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  624.659821]  ? debug_object_assert_init+0x368/0x4b0
[  624.664842]  ? debug_object_init_on_stack+0x20/0x20
[  624.669869]  ? zap_class+0x640/0x640
[  624.673594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.679144]  br_mdb_notify+0x310/0x410
[  624.683075]  ? br_mdb_dump+0x27b0/0x27b0
[  624.687183]  br_multicast_del_pg+0x3df/0x790
[  624.691606]  ? br_mdb_ip_get+0x940/0x940
[  624.695668]  ? rwlock_bug.part.2+0x90/0x90
[  624.699925]  ? __lock_is_held+0xb5/0x140
[  624.703999]  br_multicast_port_group_expired+0x189/0x1e0
[  624.709451]  call_timer_fn+0x272/0x920
[  624.713340]  ? br_multicast_del_pg+0x790/0x790
[  624.717937]  ? process_timeout+0x40/0x40
[  624.722004]  ? __run_timers+0x7da/0xc70
[  624.725979]  ? _raw_spin_unlock_irq+0x27/0x80
[  624.730476]  ? _raw_spin_unlock_irq+0x27/0x80
[  624.734987]  ? br_multicast_del_pg+0x790/0x790
[  624.739591]  ? lockdep_hardirqs_on+0x296/0x5b0
[  624.744179]  ? trace_hardirqs_on+0xbd/0x310
[  624.748499]  ? kasan_check_read+0x11/0x20
[  624.752649]  ? __run_timers+0x7da/0xc70
[  624.756627]  ? trace_hardirqs_off_caller+0x310/0x310
[  624.761736]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  624.765985]  ? br_multicast_del_pg+0x790/0x790
[  624.770572]  __run_timers+0x7e5/0xc70
[  624.774392]  ? timer_fixup_init+0x70/0x70
[  624.778548]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  624.783582]  ? zap_class+0x640/0x640
[  624.787315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.792855]  ? check_preemption_disabled+0x48/0x280
[  624.797881]  ? debug_smp_processor_id+0x1c/0x20
[  624.802560]  ? perf_trace_lock+0x14d/0x7a0
[  624.806804]  ? find_held_lock+0x36/0x1c0
[  624.810867]  ? zap_class+0x640/0x640
[  624.814603]  ? pvclock_read_flags+0x160/0x160
[  624.819106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.824664]  ? check_preemption_disabled+0x48/0x280
[  624.829692]  ? __lock_is_held+0xb5/0x140
[  624.833758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.839326]  ? check_preemption_disabled+0x48/0x280
[  624.844351]  run_timer_softirq+0x52/0xb0
[  624.848418]  ? rcu_read_lock_sched_held+0x14f/0x180
[  624.853443]  __do_softirq+0x308/0xb7e
[  624.857253]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  624.861753]  ? lock_downgrade+0x900/0x900
[  624.865914]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  624.871027]  ? pvclock_read_flags+0x160/0x160
[  624.875546]  ? lapic_next_event+0x5a/0x90
[  624.879708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.885262]  ? kvm_clock_read+0x18/0x30
[  624.889237]  ? kvm_sched_clock_read+0x9/0x20
[  624.893667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.899205]  ? check_preemption_disabled+0x48/0x280
[  624.904233]  irq_exit+0x17f/0x1c0
[  624.907736]  smp_apic_timer_interrupt+0x1cb/0x760
[  624.912581]  ? smp_reschedule_interrupt+0x109/0x650
[  624.917603]  ? smp_call_function_single_interrupt+0x650/0x650
[  624.923491]  ? interrupt_entry+0xb5/0xc0
[  624.927584]  ? trace_hardirqs_off_caller+0xbb/0x310
[  624.932621]  ? trace_hardirqs_off_caller+0xbb/0x310
[  624.937645]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  624.942490]  ? trace_hardirqs_on_caller+0x310/0x310
[  624.947509]  ? trace_hardirqs_on_caller+0x310/0x310
[  624.952528]  ? task_prio+0x50/0x50
[  624.956084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.961622]  ? check_preemption_disabled+0x48/0x280
[  624.966648]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  624.971500]  apic_timer_interrupt+0xf/0x20
[  624.975729]  </IRQ>
[  624.977971] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  624.982907] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  625.001810] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  625.009772] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  625.017040] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  625.024311] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  625.031614] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  625.038882] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  625.046189]  skb_clone+0x1bb/0x500
[  625.049747]  ? skb_split+0x11e0/0x11e0
[  625.053643]  ? debug_smp_processor_id+0x1c/0x20
[  625.058318]  ? perf_trace_lock+0x14d/0x7a0
[  625.062564]  ? __switch_to_asm+0x34/0x70
[  625.066630]  ? __switch_to_asm+0x40/0x70
[  625.070693]  ? __switch_to_asm+0x40/0x70
[  625.074773]  ? __switch_to_asm+0x34/0x70
[  625.078860]  bpf_clone_redirect+0xb9/0x490
[  625.083154]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  625.088102]  ? __sched_text_start+0x8/0x8
[  625.092267]  ? find_held_lock+0x36/0x1c0
[  625.096344]  ? lock_acquire+0x1ed/0x520
[  625.100323]  ? bpf_test_run+0x3cb/0x780
[  625.104304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.109846]  ? check_preemption_disabled+0x48/0x280
[  625.114874]  ? kasan_check_read+0x11/0x20
[  625.119028]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  625.124325]  ? rcu_softirq_qs+0x20/0x20
[  625.128302]  ? preempt_schedule+0x4d/0x60
[  625.132496]  ? ___preempt_schedule+0x16/0x18
[  625.136911]  ? bpf_test_run+0x25d/0x780
[  625.141403]  ? netlink_diag_dump+0x2a0/0x2a0
[  625.145816]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  625.151366]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  625.156133]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  625.160979]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  625.166517]  ? fput+0x130/0x1a0
[  625.169800]  ? __bpf_prog_get+0x9b/0x290
[  625.173864]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  625.178708]  ? bpf_prog_test_run+0x130/0x1a0
[  625.183123]  ? __x64_sys_bpf+0x3d8/0x520
[  625.187186]  ? bpf_prog_get+0x20/0x20
[  625.191005]  ? do_syscall_64+0x1b9/0x820
[  625.195068]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  625.200438]  ? syscall_return_slowpath+0x5e0/0x5e0
[  625.205365]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  625.210208]  ? trace_hardirqs_on_caller+0x310/0x310
[  625.215224]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  625.220245]  ? prepare_exit_to_usermode+0x291/0x3b0
[  625.225273]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  625.230123]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  625.235510] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  625.236651] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  625.242540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  625.253015] syz-executor4 cpuset=syz4 mems_allowed=0
[  625.262359] Call Trace:
[  625.270027]  <IRQ>
[  625.272182]  dump_stack+0x244/0x39d
[  625.275836]  ? dump_stack_print_info.cold.1+0x20/0x20
[  625.281041]  warn_alloc.cold.116+0xb7/0x1bd
[  625.285366]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  625.290213]  ? lock_downgrade+0x900/0x900
[  625.294372]  ? trace_hardirqs_off+0xb8/0x310
[  625.298792]  ? trace_hardirqs_off+0xb8/0x310
[  625.303213]  __alloc_pages_slowpath+0x2651/0x2de0
[  625.308087]  ? warn_alloc+0x120/0x120
[  625.311899]  ? warn_alloc+0x120/0x120
[  625.315702]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  625.320724]  ? warn_alloc+0x120/0x120
[  625.324531]  ? print_usage_bug+0xc0/0xc0
[  625.328611]  ? print_usage_bug+0xc0/0xc0
[  625.332676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.338217]  ? check_preemption_disabled+0x48/0x280
[  625.343243]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  625.348781]  ? should_fail+0x22d/0xd01
[  625.352675]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  625.357781]  ? __lock_acquire+0x62f/0x4c20
[  625.362020]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  625.367137]  ? should_fail+0x22d/0xd01
[  625.371060]  ? mark_held_locks+0x130/0x130
[  625.375297]  ? mark_held_locks+0x130/0x130
[  625.379534]  ? print_usage_bug+0xc0/0xc0
[  625.383631]  ? find_held_lock+0x36/0x1c0
[  625.387697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.393252]  ? check_preemption_disabled+0x48/0x280
[  625.398264]  ? zap_class+0x640/0x640
[  625.401986]  ? debug_smp_processor_id+0x1c/0x20
[  625.406653]  ? perf_trace_lock+0x14d/0x7a0
[  625.410891]  ? check_preemption_disabled+0x48/0x280
[  625.415917]  ? lock_is_held_type+0x210/0x210
[  625.420328]  ? __lock_is_held+0xb5/0x140
[  625.424452]  __alloc_pages_nodemask+0xad8/0xea0
[  625.429136]  ? zap_class+0x640/0x640
[  625.432862]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  625.437900]  ? find_held_lock+0x36/0x1c0
[  625.441978]  ? ____cache_alloc_node+0x1c7/0x1e0
[  625.446653]  ? lock_downgrade+0x900/0x900
[  625.450829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.456373]  cache_grow_begin+0xa5/0x8c0
[  625.460462]  ? do_raw_spin_unlock+0xa7/0x330
[  625.464879]  fallback_alloc+0x204/0x2e0
[  625.468879]  ____cache_alloc_node+0x1c7/0x1e0
[  625.473388]  kmem_cache_alloc_node+0xe3/0x730
[  625.477885]  ? mark_held_locks+0xc7/0x130
[  625.482061]  __alloc_skb+0x119/0x770
[  625.485812]  ? netdev_alloc_frag+0x1f0/0x1f0
[  625.490266]  ? do_raw_spin_trylock+0x270/0x270
[  625.494867]  ? kmem_cache_alloc_trace+0x353/0x750
[  625.499726]  ? queue_work_on+0x12c/0x1e0
[  625.503797]  ? switchdev_port_obj_del+0xdc/0x440
[  625.508567]  ? switchdev_trans_item_enqueue+0x260/0x260
[  625.513964]  ? lock_is_held_type+0x210/0x210
[  625.518380]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  625.523406]  __br_mdb_notify+0x4ff/0x15d0
[  625.527584]  ? __br_mdb_add+0x7f0/0x7f0
[  625.531581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.537121]  ? check_preemption_disabled+0x48/0x280
[  625.542157]  ? debug_smp_processor_id+0x1c/0x20
[  625.546828]  ? perf_trace_lock+0x14d/0x7a0
[  625.551073]  ? br_multicast_group_expired+0x96/0x610
[  625.556180]  ? lock_downgrade+0x900/0x900
[  625.560340]  br_mdb_notify+0x310/0x410
[  625.564249]  ? br_mdb_dump+0x27b0/0x27b0
[  625.568317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.573895]  br_multicast_group_expired+0x1bc/0x610
[  625.578916]  ? br_mdb_free+0x80/0x80
[  625.582661]  call_timer_fn+0x272/0x920
[  625.586546]  ? br_mdb_free+0x80/0x80
[  625.590274]  ? process_timeout+0x40/0x40
[  625.594347]  ? mark_held_locks+0xc7/0x130
[  625.598495]  ? _raw_spin_unlock_irq+0x27/0x80
[  625.603002]  ? _raw_spin_unlock_irq+0x27/0x80
[  625.607503]  ? br_mdb_free+0x80/0x80
[  625.611224]  ? lockdep_hardirqs_on+0x296/0x5b0
[  625.615814]  ? trace_hardirqs_on+0xbd/0x310
[  625.620142]  ? kasan_check_read+0x11/0x20
[  625.624292]  ? __run_timers+0x7da/0xc70
[  625.628272]  ? trace_hardirqs_off_caller+0x310/0x310
[  625.633395]  ? br_mdb_free+0x80/0x80
[  625.637133]  ? br_mdb_free+0x80/0x80
[  625.640849]  __run_timers+0x7e5/0xc70
[  625.644668]  ? timer_fixup_init+0x70/0x70
[  625.648819]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  625.653836]  ? zap_class+0x640/0x640
[  625.657570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.663112]  ? print_usage_bug+0xc0/0xc0
[  625.667178]  ? debug_smp_processor_id+0x1c/0x20
[  625.671847]  ? perf_trace_lock+0x14d/0x7a0
[  625.676090]  ? find_held_lock+0x36/0x1c0
[  625.680191]  ? zap_class+0x640/0x640
[  625.683927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.689466]  ? check_preemption_disabled+0x48/0x280
[  625.694494]  ? __lock_is_held+0xb5/0x140
[  625.698585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.704124]  ? check_preemption_disabled+0x48/0x280
[  625.709146]  run_timer_softirq+0x52/0xb0
[  625.713251]  ? rcu_read_lock_sched_held+0x14f/0x180
[  625.718285]  __do_softirq+0x308/0xb7e
[  625.722092]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  625.726596]  ? lock_downgrade+0x900/0x900
[  625.730755]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  625.735874]  ? pvclock_read_flags+0x160/0x160
[  625.740390]  ? lapic_next_event+0x5a/0x90
[  625.744580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.750151]  ? kvm_clock_read+0x18/0x30
[  625.754125]  ? kvm_sched_clock_read+0x9/0x20
[  625.758568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.764115]  ? check_preemption_disabled+0x48/0x280
[  625.769147]  irq_exit+0x17f/0x1c0
[  625.772604]  smp_apic_timer_interrupt+0x1cb/0x760
[  625.777461]  ? smp_reschedule_interrupt+0x109/0x650
[  625.782495]  ? smp_call_function_single_interrupt+0x650/0x650
[  625.788419]  ? interrupt_entry+0xb5/0xc0
[  625.792481]  ? trace_hardirqs_off_caller+0xbb/0x310
[  625.797495]  ? trace_hardirqs_off_caller+0xbb/0x310
[  625.802518]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  625.807389]  ? trace_hardirqs_on_caller+0x310/0x310
[  625.812403]  ? trace_hardirqs_on_caller+0x310/0x310
[  625.817440]  ? task_prio+0x50/0x50
[  625.820984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  625.826526]  ? check_preemption_disabled+0x48/0x280
[  625.831576]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  625.836433]  apic_timer_interrupt+0xf/0x20
[  625.840666]  </IRQ>
[  625.842907] RIP: 0010:console_unlock+0x102f/0x1190
[  625.847841] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  625.866744] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  625.874455] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  625.881722] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  625.888996] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  625.896263] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  625.903534] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  625.910840]  ? netconsole_netdev_event+0x280/0x280
[  625.915779]  ? console_unlock+0x1026/0x1190
[  625.920139]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  625.924818]  ? vprintk_emit+0x846/0x990
[  625.928796]  ? lock_release+0xa00/0xa00
[  625.932773]  ? trace_hardirqs_on+0x30/0x310
[  625.937127]  ? vprintk_default+0x28/0x30
[  625.941190]  ? trace_hardirqs_off_caller+0x310/0x310
[  625.946299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.951848]  vprintk_emit+0x391/0x990
[  625.955661]  ? wake_up_klogd+0x180/0x180
[  625.959732]  ? find_held_lock+0x31/0x1c0
[  625.963805]  ? mark_held_locks+0xc7/0x130
[  625.967956]  ? _raw_spin_unlock_irq+0x27/0x80
[  625.972451]  ? _raw_spin_unlock_irq+0x27/0x80
[  625.976954]  vprintk_default+0x28/0x30
[  625.980845]  vprintk_func+0x7e/0x181
[  625.984574]  printk+0xa7/0xcf
[  625.987684]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  625.992441]  ? _raw_spin_unlock_irq+0x60/0x80
[  625.996980]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  626.002280]  dump_header+0x7cc/0xf72
[  626.006019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.011824]  ? check_preemption_disabled+0x48/0x280
[  626.016852]  ? pagefault_out_of_memory+0x197/0x197
[  626.021784]  ? debug_smp_processor_id+0x1c/0x20
[  626.026456]  ? perf_trace_lock+0x14d/0x7a0
[  626.030696]  ? mark_held_locks+0x130/0x130
[  626.034937]  ? lock_is_held_type+0x210/0x210
[  626.039357]  ? debug_smp_processor_id+0x1c/0x20
[  626.044036]  ? zap_class+0x640/0x640
[  626.047772]  ? lock_is_held_type+0x210/0x210
[  626.052183]  ? perf_trace_lock+0x14d/0x7a0
[  626.056442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.062017]  ? find_held_lock+0x36/0x1c0
[  626.066104]  ? mark_held_locks+0xc7/0x130
[  626.070256]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  626.075358]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  626.080475]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  626.085063]  ? trace_hardirqs_on+0xbd/0x310
[  626.089386]  ? kasan_check_read+0x11/0x20
[  626.093541]  ? ___ratelimit+0x3b4/0x672
[  626.097537]  ? trace_hardirqs_off_caller+0x310/0x310
[  626.102701]  ? trace_hardirqs_on+0x310/0x310
[  626.107111]  ? lock_downgrade+0x900/0x900
[  626.111270]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  626.116401]  ? ___ratelimit+0x3b9/0x672
[  626.120389]  ? idr_get_free+0xf70/0xf70
[  626.124366]  ? lock_is_held_type+0x210/0x210
[  626.128789]  oom_kill_process.cold.27+0x10/0x903
[  626.133545]  ? zap_class+0x640/0x640
[  626.137278]  ? _raw_spin_unlock+0x2c/0x50
[  626.141430]  ? oom_badness+0xe6/0xaa0
[  626.145243]  ? oom_evaluate_task+0x540/0x540
[  626.149668]  ? find_held_lock+0x36/0x1c0
[  626.153746]  ? out_of_memory+0x974/0x1430
[  626.157897]  ? lock_downgrade+0x900/0x900
[  626.162048]  ? check_preemption_disabled+0x48/0x280
[  626.167068]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  626.172015]  ? kasan_check_read+0x11/0x20
[  626.176178]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  626.181455]  ? rcu_softirq_qs+0x20/0x20
[  626.185488]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  626.190532]  ? oom_evaluate_task+0x302/0x540
[  626.194961]  out_of_memory+0xa84/0x1430
[  626.198949]  ? oom_killer_disable+0x3a0/0x3a0
[  626.203456]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  626.208391]  ? __ww_mutex_check_waiters+0x160/0x160
[  626.213423]  __alloc_pages_slowpath+0x232c/0x2de0
[  626.218300]  ? warn_alloc+0x120/0x120
[  626.222102]  ? mark_held_locks+0x130/0x130
[  626.226358]  ? find_get_entry+0xaae/0x1120
[  626.230620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.236175]  ? check_preemption_disabled+0x48/0x280
[  626.241200]  ? filemap_map_pages+0x1a20/0x1a20
[  626.245802]  ? debug_smp_processor_id+0x1c/0x20
[  626.250486]  ? perf_trace_lock+0x14d/0x7a0
[  626.254732]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  626.260270]  ? should_fail+0x22d/0xd01
[  626.264178]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  626.269315]  ? zap_class+0x640/0x640
[  626.273060]  ? __lock_is_held+0xb5/0x140
[  626.277130]  ? mark_held_locks+0x130/0x130
[  626.281370]  ? lock_release+0xa00/0xa00
[  626.285362]  ? perf_trace_sched_process_exec+0x860/0x860
[  626.290810]  ? xa_load+0x2ba/0x460
[  626.294350]  ? lock_downgrade+0x900/0x900
[  626.298504]  ? __might_sleep+0x95/0x190
[  626.302487]  __alloc_pages_nodemask+0xad8/0xea0
[  626.307170]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  626.312189]  ? __page_cache_alloc+0x191/0x5c0
[  626.316684]  ? xa_load+0x2e1/0x460
[  626.320227]  ? xa_clear_mark+0x40/0x40
[  626.324117]  ? zap_class+0x640/0x640
[  626.327857]  ? zap_class+0x640/0x640
[  626.331584]  ? zap_class+0x640/0x640
[  626.335314]  ? __do_page_cache_readahead+0x663/0x810
[  626.340425]  ? find_held_lock+0x36/0x1c0
[  626.344495]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  626.350044]  alloc_pages_current+0x173/0x350
[  626.354480]  __page_cache_alloc+0x38c/0x5c0
[  626.358804]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  626.363733]  ? kasan_check_read+0x11/0x20
[  626.367881]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  626.373163]  ? generic_perform_write+0x6a0/0x6a0
[  626.377921]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  626.383462]  ? check_preemption_disabled+0x48/0x280
[  626.388487]  filemap_fault+0x1595/0x25f0
[  626.392577]  ? __lock_page_or_retry+0xa00/0xa00
[  626.397261]  ? mark_held_locks+0x130/0x130
[  626.401511]  ? filemap_map_pages+0xd6b/0x1a20
[  626.406010]  ? lock_downgrade+0x900/0x900
[  626.410158]  ? check_preemption_disabled+0x48/0x280
[  626.415178]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  626.420109]  ? kasan_check_read+0x11/0x20
[  626.424258]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  626.429536]  ? rcu_softirq_qs+0x20/0x20
[  626.433541]  ? filemap_map_pages+0xd92/0x1a20
[  626.438064]  ? find_get_entries_tag+0x1400/0x1400
[  626.442928]  ? debug_object_destroy+0x2b0/0x2b0
[  626.447632]  ? lock_pi_update_atomic+0x150/0x150
[  626.452388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.457944]  ? lock_acquire+0x1ed/0x520
[  626.461922]  ? ext4_filemap_fault+0x7a/0xad
[  626.466253]  ? lock_release+0xa00/0xa00
[  626.470242]  ? perf_trace_sched_process_exec+0x860/0x860
[  626.475695]  ? print_usage_bug+0xc0/0xc0
[  626.479761]  ? print_usage_bug+0xc0/0xc0
[  626.483836]  ? down_read+0x8d/0x120
[  626.487465]  ? ext4_filemap_fault+0x7a/0xad
[  626.491786]  ? __down_interruptible+0x700/0x700
[  626.496466]  ext4_filemap_fault+0x82/0xad
[  626.500617]  __do_fault+0x100/0x6b0
[  626.504249]  ? pmd_devmap_trans_unstable+0x220/0x220
[  626.509358]  ? mark_held_locks+0x130/0x130
[  626.513614]  ? mark_held_locks+0x130/0x130
[  626.517850]  ? debug_smp_processor_id+0x1c/0x20
[  626.522519]  ? perf_trace_lock+0x14d/0x7a0
[  626.526764]  ? lock_downgrade+0x900/0x900
[  626.530926]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  626.536474]  __handle_mm_fault+0x3ea0/0x5be0
[  626.540907]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  626.545756]  ? lock_is_held_type+0x210/0x210
[  626.550171]  ? file_remove_privs+0x540/0x540
[  626.554595]  ? file_remove_privs+0x540/0x540
[  626.559037]  ? zap_class+0x640/0x640
[  626.562752]  ? zap_class+0x640/0x640
[  626.566466]  ? __x64_sys_futex+0x53e/0x6a0
[  626.570752]  ? find_held_lock+0x36/0x1c0
[  626.574854]  ? handle_mm_fault+0x42a/0xc70
[  626.579092]  ? lock_downgrade+0x900/0x900
[  626.583237]  ? check_preemption_disabled+0x48/0x280
[  626.588260]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  626.593190]  ? kasan_check_read+0x11/0x20
[  626.597339]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  626.602622]  ? rcu_softirq_qs+0x20/0x20
[  626.606598]  ? trace_hardirqs_off_caller+0x310/0x310
[  626.611704]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  626.617242]  ? check_preemption_disabled+0x48/0x280
[  626.622267]  handle_mm_fault+0x54f/0xc70
[  626.626337]  ? __handle_mm_fault+0x5be0/0x5be0
[  626.630944]  ? find_vma+0x34/0x190
[  626.634498]  __do_page_fault+0x5e8/0xe60
[  626.638576]  ? trace_hardirqs_off+0xb8/0x310
[  626.643000]  do_page_fault+0xf2/0x7e0
[  626.646807]  ? vmalloc_sync_all+0x30/0x30
[  626.650957]  ? error_entry+0x70/0xd0
[  626.654675]  ? trace_hardirqs_off_caller+0xbb/0x310
[  626.659706]  ? trace_hardirqs_on_caller+0xc0/0x310
[  626.664636]  ? syscall_return_slowpath+0x5e0/0x5e0
[  626.669579]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  626.674439]  ? trace_hardirqs_on_caller+0x310/0x310
[  626.679457]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  626.684915]  ? prepare_exit_to_usermode+0x291/0x3b0
[  626.689954]  ? page_fault+0x8/0x30
[  626.693498]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  626.698342]  ? page_fault+0x8/0x30
[  626.701883]  page_fault+0x1e/0x30
[  626.705336] RIP: 0033:0x45ddf3
[  626.708543] Code: Bad RIP value.
[  626.711929] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  626.717289] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  626.724574] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  626.731842] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  626.739108] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  626.746377] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  626.753693] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  626.753697] Mem-Info:
[  626.753729] active_anon:147110 inactive_anon:190 isolated_anon:0
[  626.753729]  active_file:13 inactive_file:13 isolated_file:2
[  626.753729]  unevictable:1 dirty:0 writeback:0 unstable:0
[  626.753729]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  626.753729]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  626.753729]  free:13705 free_pcp:247 free_cma:0
[  626.761070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  626.763505] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  626.796522] Call Trace:
[  626.805862] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  626.833343]  <IRQ>
[  626.835913] lowmem_reserve[]: 0 2818 6321 6321
[  626.862018]  dump_stack+0x244/0x39d
[  626.864141] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  626.868719]  ? dump_stack_print_info.cold.1+0x20/0x20
[  626.872317] lowmem_reserve[]: 0 0 3503 3503
[  626.899995]  warn_alloc.cold.116+0xb7/0x1bd
[  626.905148] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  626.909474]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  626.913770] lowmem_reserve[]: 0 0 0 0
[  626.942655]  ? lock_downgrade+0x900/0x900
[  626.947472] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  626.951275]  ? trace_hardirqs_off+0xb8/0x310
[  626.955399] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  626.968921]  ? trace_hardirqs_off+0xb8/0x310
[  626.973305] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  626.988390]  __alloc_pages_slowpath+0x2651/0x2de0
[  626.992787] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  627.007393]  ? warn_alloc+0x120/0x120
[  627.012650] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  627.012660] 274 total pagecache pages
[  627.021494]  ? warn_alloc+0x120/0x120
[  627.025273] 0 pages in swap cache
[  627.033830]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  627.037609] Swap cache stats: add 0, delete 0, find 0/0
[  627.041398]  ? warn_alloc+0x120/0x120
[  627.044829] Free swap  = 0kB
[  627.049840]  ? print_usage_bug+0xc0/0xc0
[  627.055181] Total swap = 0kB
[  627.058972]  ? print_usage_bug+0xc0/0xc0
[  627.061967] 1965979 pages RAM
[  627.066027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.069061] 0 pages HighMem/MovableOnly
[  627.073141]  ? check_preemption_disabled+0x48/0x280
[  627.076225] 342854 pages reserved
[  627.081756]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  627.085704] 0 pages cma reserved
[  627.090717]  ? should_fail+0x22d/0xd01
[  627.094315] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  627.099689]  ? check_usage_forwards+0x3d0/0x3d0
[  627.103033] syz-fuzzer cpuset=/ mems_allowed=0
[  627.106913]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  627.131478]  ? __lock_acquire+0x62f/0x4c20
[  627.135732]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  627.141346]  ? should_fail+0x22d/0xd01
[  627.145262]  ? mark_held_locks+0x130/0x130
[  627.149501]  ? mark_held_locks+0x130/0x130
[  627.153737]  ? print_usage_bug+0xc0/0xc0
[  627.157830]  ? find_held_lock+0x36/0x1c0
[  627.161897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.167438]  ? check_preemption_disabled+0x48/0x280
[  627.172454]  ? zap_class+0x640/0x640
[  627.176179]  ? debug_smp_processor_id+0x1c/0x20
[  627.180845]  ? perf_trace_lock+0x14d/0x7a0
[  627.185092]  ? check_preemption_disabled+0x48/0x280
[  627.190147]  ? lock_is_held_type+0x210/0x210
[  627.194564]  ? __lock_is_held+0xb5/0x140
[  627.198639]  __alloc_pages_nodemask+0xad8/0xea0
[  627.203327]  ? zap_class+0x640/0x640
[  627.207069]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  627.212100]  ? find_held_lock+0x36/0x1c0
[  627.216172]  ? ____cache_alloc_node+0x1c7/0x1e0
[  627.220857]  ? lock_downgrade+0x900/0x900
[  627.225029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.230581]  cache_grow_begin+0xa5/0x8c0
[  627.234677]  ? do_raw_spin_unlock+0xa7/0x330
[  627.239116]  fallback_alloc+0x204/0x2e0
[  627.243112]  ____cache_alloc_node+0x1c7/0x1e0
[  627.247618]  kmem_cache_alloc_node+0xe3/0x730
[  627.252113]  ? mark_held_locks+0xc7/0x130
[  627.256276]  __alloc_skb+0x119/0x770
[  627.259998]  ? netdev_alloc_frag+0x1f0/0x1f0
[  627.264406]  ? do_raw_spin_trylock+0x270/0x270
[  627.268991]  ? kmem_cache_alloc_trace+0x353/0x750
[  627.273866]  ? queue_work_on+0x12c/0x1e0
[  627.277952]  ? switchdev_port_obj_del+0xdc/0x440
[  627.282727]  ? switchdev_trans_item_enqueue+0x260/0x260
[  627.288108]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  627.293135]  __br_mdb_notify+0x4ff/0x15d0
[  627.297281]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  627.302396]  ? __br_mdb_add+0x7f0/0x7f0
[  627.306389]  ? mark_held_locks+0x130/0x130
[  627.310642]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  627.315744]  ? debug_object_assert_init+0x368/0x4b0
[  627.320763]  ? debug_object_init_on_stack+0x20/0x20
[  627.325780]  ? zap_class+0x640/0x640
[  627.329500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.335047]  br_mdb_notify+0x310/0x410
[  627.338947]  ? br_mdb_dump+0x27b0/0x27b0
[  627.343030]  br_multicast_del_pg+0x3df/0x790
[  627.347471]  ? br_mdb_ip_get+0x940/0x940
[  627.351562]  ? rwlock_bug.part.2+0x90/0x90
[  627.355805]  ? __lock_is_held+0xb5/0x140
[  627.359879]  br_multicast_port_group_expired+0x189/0x1e0
[  627.365337]  call_timer_fn+0x272/0x920
[  627.369260]  ? br_multicast_del_pg+0x790/0x790
[  627.373845]  ? process_timeout+0x40/0x40
[  627.377931]  ? __run_timers+0x7da/0xc70
[  627.381913]  ? _raw_spin_unlock_irq+0x27/0x80
[  627.386409]  ? _raw_spin_unlock_irq+0x27/0x80
[  627.390918]  ? br_multicast_del_pg+0x790/0x790
[  627.395501]  ? lockdep_hardirqs_on+0x296/0x5b0
[  627.400107]  ? trace_hardirqs_on+0xbd/0x310
[  627.404432]  ? kasan_check_read+0x11/0x20
[  627.408588]  ? __run_timers+0x7da/0xc70
[  627.412586]  ? trace_hardirqs_off_caller+0x310/0x310
[  627.417713]  ? br_multicast_del_pg+0x790/0x790
[  627.422325]  ? br_multicast_del_pg+0x790/0x790
[  627.426905]  __run_timers+0x7e5/0xc70
[  627.430720]  ? timer_fixup_init+0x70/0x70
[  627.434871]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  627.439889]  ? zap_class+0x640/0x640
[  627.443611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.449150]  ? check_preemption_disabled+0x48/0x280
[  627.454174]  ? debug_smp_processor_id+0x1c/0x20
[  627.458840]  ? perf_trace_lock+0x14d/0x7a0
[  627.463084]  ? find_held_lock+0x36/0x1c0
[  627.467152]  ? zap_class+0x640/0x640
[  627.470871]  ? pvclock_read_flags+0x160/0x160
[  627.475374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.480914]  ? check_preemption_disabled+0x48/0x280
[  627.485947]  ? __lock_is_held+0xb5/0x140
[  627.490014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.495567]  ? check_preemption_disabled+0x48/0x280
[  627.500602]  run_timer_softirq+0x52/0xb0
[  627.504665]  ? rcu_read_lock_sched_held+0x14f/0x180
[  627.509704]  __do_softirq+0x308/0xb7e
[  627.513511]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  627.518039]  ? lock_downgrade+0x900/0x900
[  627.522240]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  627.527350]  ? pvclock_read_flags+0x160/0x160
[  627.531851]  ? lapic_next_event+0x5a/0x90
[  627.536003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.541548]  ? kvm_clock_read+0x18/0x30
[  627.545537]  ? kvm_sched_clock_read+0x9/0x20
[  627.549955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.555493]  ? check_preemption_disabled+0x48/0x280
[  627.560527]  irq_exit+0x17f/0x1c0
[  627.563992]  smp_apic_timer_interrupt+0x1cb/0x760
[  627.568846]  ? smp_reschedule_interrupt+0x109/0x650
[  627.573865]  ? smp_call_function_single_interrupt+0x650/0x650
[  627.579753]  ? interrupt_entry+0xb5/0xc0
[  627.583818]  ? trace_hardirqs_off_caller+0xbb/0x310
[  627.588834]  ? trace_hardirqs_off_caller+0xbb/0x310
[  627.593868]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  627.598713]  ? trace_hardirqs_on_caller+0x310/0x310
[  627.603736]  ? trace_hardirqs_on_caller+0x310/0x310
[  627.608760]  ? task_prio+0x50/0x50
[  627.612321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.617889]  ? check_preemption_disabled+0x48/0x280
[  627.622953]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  627.627802]  apic_timer_interrupt+0xf/0x20
[  627.632029]  </IRQ>
[  627.634267] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  627.639195] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  627.658091] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  627.665795] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  627.673063] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  627.680337] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  627.687610] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  627.694891] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  627.702214]  skb_clone+0x1bb/0x500
[  627.705764]  ? skb_split+0x11e0/0x11e0
[  627.709667]  ? debug_smp_processor_id+0x1c/0x20
[  627.714335]  ? perf_trace_lock+0x14d/0x7a0
[  627.718575]  ? __switch_to_asm+0x34/0x70
[  627.722637]  ? __switch_to_asm+0x40/0x70
[  627.726696]  ? __switch_to_asm+0x40/0x70
[  627.730753]  ? __switch_to_asm+0x34/0x70
[  627.734827]  bpf_clone_redirect+0xb9/0x490
[  627.739077]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  627.744009]  ? __sched_text_start+0x8/0x8
[  627.748175]  ? find_held_lock+0x36/0x1c0
[  627.752248]  ? lock_acquire+0x1ed/0x520
[  627.756224]  ? bpf_test_run+0x3cb/0x780
[  627.760199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.765738]  ? check_preemption_disabled+0x48/0x280
[  627.770762]  ? kasan_check_read+0x11/0x20
[  627.774916]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  627.780192]  ? rcu_softirq_qs+0x20/0x20
[  627.784169]  ? preempt_schedule+0x4d/0x60
[  627.788322]  ? ___preempt_schedule+0x16/0x18
[  627.792742]  ? bpf_test_run+0x25d/0x780
[  627.796731]  ? netlink_diag_dump+0x2a0/0x2a0
[  627.801149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  627.806695]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  627.811466]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  627.816313]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  627.821883]  ? fput+0x130/0x1a0
[  627.825172]  ? __bpf_prog_get+0x9b/0x290
[  627.829242]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  627.834093]  ? bpf_prog_test_run+0x130/0x1a0
[  627.838509]  ? __x64_sys_bpf+0x3d8/0x520
[  627.842588]  ? bpf_prog_get+0x20/0x20
[  627.846430]  ? do_syscall_64+0x1b9/0x820
[  627.850552]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  627.855949]  ? syscall_return_slowpath+0x5e0/0x5e0
[  627.860902]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  627.865749]  ? trace_hardirqs_on_caller+0x310/0x310
[  627.870773]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  627.875799]  ? prepare_exit_to_usermode+0x291/0x3b0
[  627.880824]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  627.885678]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  627.891062] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  627.891229] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  627.898083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  627.908578] syz-executor4 cpuset=syz4 mems_allowed=0
[  627.917927] Call Trace:
[  627.925596]  <IRQ>
[  627.927750]  dump_stack+0x244/0x39d
[  627.931384]  ? dump_stack_print_info.cold.1+0x20/0x20
[  627.936600]  warn_alloc.cold.116+0xb7/0x1bd
[  627.940926]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  627.945777]  ? lock_downgrade+0x900/0x900
[  627.949939]  ? trace_hardirqs_off+0xb8/0x310
[  627.954355]  ? trace_hardirqs_off+0xb8/0x310
[  627.958774]  __alloc_pages_slowpath+0x2651/0x2de0
[  627.963654]  ? warn_alloc+0x120/0x120
[  627.967464]  ? warn_alloc+0x120/0x120
[  627.971297]  ? warn_alloc+0x120/0x120
[  627.975099]  ? print_usage_bug+0xc0/0xc0
[  627.979161]  ? mark_held_locks+0x130/0x130
[  627.983400]  ? kvm_clock_read+0x18/0x30
[  627.987374]  ? print_usage_bug+0xc0/0xc0
[  627.991447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.996983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  628.002532]  ? should_fail+0x22d/0xd01
[  628.006435]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  628.012043]  ? __lock_acquire+0x62f/0x4c20
[  628.016283]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  628.021387]  ? __lock_acquire+0x62f/0x4c20
[  628.025636]  ? should_fail+0x22d/0xd01
[  628.029578]  ? mark_held_locks+0x130/0x130
[  628.033827]  ? mark_held_locks+0x130/0x130
[  628.038060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.043606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.049147]  ? check_preemption_disabled+0x48/0x280
[  628.054166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.059708]  ? check_preemption_disabled+0x48/0x280
[  628.064721]  ? zap_class+0x640/0x640
[  628.068443]  ? debug_smp_processor_id+0x1c/0x20
[  628.073115]  ? perf_trace_lock+0x14d/0x7a0
[  628.077356]  ? check_preemption_disabled+0x48/0x280
[  628.082378]  ? lock_is_held_type+0x210/0x210
[  628.086786]  ? __lock_is_held+0xb5/0x140
[  628.090857]  __alloc_pages_nodemask+0xad8/0xea0
[  628.095600]  ? zap_class+0x640/0x640
[  628.099358]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  628.104384]  ? find_held_lock+0x36/0x1c0
[  628.108455]  ? ____cache_alloc_node+0x1c7/0x1e0
[  628.113128]  ? lock_downgrade+0x900/0x900
[  628.117287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.122833]  cache_grow_begin+0xa5/0x8c0
[  628.126897]  ? do_raw_spin_unlock+0xa7/0x330
[  628.131316]  fallback_alloc+0x204/0x2e0
[  628.135298]  ____cache_alloc_node+0x1c7/0x1e0
[  628.139819]  kmem_cache_alloc_node+0xe3/0x730
[  628.144364]  ? ipv6_get_ifaddr+0x42e/0x620
[  628.148625]  __alloc_skb+0x119/0x770
[  628.152350]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  628.157635]  ? netdev_alloc_frag+0x1f0/0x1f0
[  628.162048]  ? lock_downgrade+0x900/0x900
[  628.166207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.171758]  ? refcount_sub_and_test_checked+0x203/0x310
[  628.177216]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  628.182667]  ? addrconf_rs_timer+0x690/0x690
[  628.187086]  ndisc_alloc_skb+0x144/0x340
[  628.191156]  ndisc_send_rs+0x331/0x6e0
[  628.195082]  addrconf_rs_timer+0x314/0x690
[  628.199326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  628.203622]  call_timer_fn+0x272/0x920
[  628.207527]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  628.211792]  ? process_timeout+0x40/0x40
[  628.215862]  ? mark_held_locks+0xc7/0x130
[  628.220028]  ? _raw_spin_unlock_irq+0x27/0x80
[  628.224522]  ? _raw_spin_unlock_irq+0x27/0x80
[  628.229023]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  628.233260]  ? lockdep_hardirqs_on+0x296/0x5b0
[  628.237844]  ? trace_hardirqs_on+0xbd/0x310
[  628.242165]  ? kasan_check_read+0x11/0x20
[  628.246327]  ? __run_timers+0x7da/0xc70
[  628.250300]  ? trace_hardirqs_off_caller+0x310/0x310
[  628.255431]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  628.259668]  __run_timers+0x7e5/0xc70
[  628.263481]  ? timer_fixup_init+0x70/0x70
[  628.267633]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  628.272654]  ? zap_class+0x640/0x640
[  628.276370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.281908]  ? print_usage_bug+0xc0/0xc0
[  628.285984]  ? debug_smp_processor_id+0x1c/0x20
[  628.290666]  ? perf_trace_lock+0x14d/0x7a0
[  628.294949]  ? find_held_lock+0x36/0x1c0
[  628.299045]  ? zap_class+0x640/0x640
[  628.302785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.308324]  ? check_preemption_disabled+0x48/0x280
[  628.313349]  ? __lock_is_held+0xb5/0x140
[  628.317415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.322952]  ? check_preemption_disabled+0x48/0x280
[  628.327979]  run_timer_softirq+0x52/0xb0
[  628.332040]  ? rcu_read_lock_sched_held+0x14f/0x180
[  628.337055]  __do_softirq+0x308/0xb7e
[  628.340860]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  628.345353]  ? lock_downgrade+0x900/0x900
[  628.349506]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  628.354654]  ? pvclock_read_flags+0x160/0x160
[  628.359153]  ? lapic_next_event+0x5a/0x90
[  628.363318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.368862]  ? kvm_clock_read+0x18/0x30
[  628.372855]  ? kvm_sched_clock_read+0x9/0x20
[  628.377270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.382814]  ? check_preemption_disabled+0x48/0x280
[  628.387846]  irq_exit+0x17f/0x1c0
[  628.391301]  smp_apic_timer_interrupt+0x1cb/0x760
[  628.396157]  ? smp_reschedule_interrupt+0x109/0x650
[  628.401171]  ? smp_call_function_single_interrupt+0x650/0x650
[  628.407057]  ? interrupt_entry+0xb5/0xc0
[  628.411125]  ? trace_hardirqs_off_caller+0xbb/0x310
[  628.416138]  ? trace_hardirqs_off_caller+0xbb/0x310
[  628.421174]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  628.426036]  ? trace_hardirqs_on_caller+0x310/0x310
[  628.431068]  ? trace_hardirqs_on_caller+0x310/0x310
[  628.436085]  ? task_prio+0x50/0x50
[  628.439627]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  628.445182]  ? check_preemption_disabled+0x48/0x280
[  628.450217]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  628.455069]  apic_timer_interrupt+0xf/0x20
[  628.459298]  </IRQ>
[  628.461538] RIP: 0010:console_unlock+0x102f/0x1190
[  628.466483] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  628.485380] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  628.493101] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  628.500370] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  628.507643] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  628.514914] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  628.522185] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  628.529459]  ? netconsole_netdev_event+0x280/0x280
[  628.534414]  ? console_unlock+0x1026/0x1190
[  628.538756]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  628.543424]  ? vprintk_emit+0x846/0x990
[  628.547420]  ? lock_release+0xa00/0xa00
[  628.551409]  ? trace_hardirqs_on+0x30/0x310
[  628.555733]  ? vprintk_default+0x28/0x30
[  628.559795]  ? trace_hardirqs_off_caller+0x310/0x310
[  628.564918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.570465]  vprintk_emit+0x391/0x990
[  628.574273]  ? wake_up_klogd+0x180/0x180
[  628.578339]  ? find_held_lock+0x31/0x1c0
[  628.582433]  ? mark_held_locks+0xc7/0x130
[  628.586590]  ? _raw_spin_unlock_irq+0x27/0x80
[  628.591086]  ? _raw_spin_unlock_irq+0x27/0x80
[  628.595609]  vprintk_default+0x28/0x30
[  628.599499]  vprintk_func+0x7e/0x181
[  628.603215]  printk+0xa7/0xcf
[  628.606323]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  628.611083]  ? _raw_spin_unlock_irq+0x60/0x80
[  628.615637]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  628.620926]  dump_header+0x7cc/0xf72
[  628.624651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.630189]  ? check_preemption_disabled+0x48/0x280
[  628.635208]  ? pagefault_out_of_memory+0x197/0x197
[  628.640135]  ? debug_smp_processor_id+0x1c/0x20
[  628.644802]  ? perf_trace_lock+0x14d/0x7a0
[  628.649039]  ? mark_held_locks+0x130/0x130
[  628.653323]  ? lock_is_held_type+0x210/0x210
[  628.657742]  ? debug_smp_processor_id+0x1c/0x20
[  628.662418]  ? zap_class+0x640/0x640
[  628.666140]  ? lock_is_held_type+0x210/0x210
[  628.670547]  ? perf_trace_lock+0x14d/0x7a0
[  628.674804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.680362]  ? find_held_lock+0x36/0x1c0
[  628.684433]  ? mark_held_locks+0xc7/0x130
[  628.688592]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  628.693698]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  628.698803]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  628.703387]  ? trace_hardirqs_on+0xbd/0x310
[  628.707729]  ? kasan_check_read+0x11/0x20
[  628.711903]  ? ___ratelimit+0x3b4/0x672
[  628.715878]  ? trace_hardirqs_off_caller+0x310/0x310
[  628.720983]  ? trace_hardirqs_on+0x310/0x310
[  628.725396]  ? lock_downgrade+0x900/0x900
[  628.729552]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  628.734669]  ? ___ratelimit+0x3b9/0x672
[  628.738650]  ? idr_get_free+0xf70/0xf70
[  628.742632]  ? lock_is_held_type+0x210/0x210
[  628.747063]  oom_kill_process.cold.27+0x10/0x903
[  628.751817]  ? zap_class+0x640/0x640
[  628.755533]  ? _raw_spin_unlock+0x2c/0x50
[  628.759692]  ? oom_badness+0xe6/0xaa0
[  628.763500]  ? oom_evaluate_task+0x540/0x540
[  628.767944]  ? find_held_lock+0x36/0x1c0
[  628.772017]  ? out_of_memory+0x974/0x1430
[  628.776178]  ? lock_downgrade+0x900/0x900
[  628.780327]  ? check_preemption_disabled+0x48/0x280
[  628.785347]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  628.790290]  ? kasan_check_read+0x11/0x20
[  628.794466]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  628.799758]  ? rcu_softirq_qs+0x20/0x20
[  628.803736]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  628.808753]  ? oom_evaluate_task+0x302/0x540
[  628.813169]  out_of_memory+0xa84/0x1430
[  628.817173]  ? oom_killer_disable+0x3a0/0x3a0
[  628.821672]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  628.826610]  ? __ww_mutex_check_waiters+0x160/0x160
[  628.831641]  __alloc_pages_slowpath+0x232c/0x2de0
[  628.836529]  ? warn_alloc+0x120/0x120
[  628.840406]  ? mark_held_locks+0x130/0x130
[  628.844662]  ? find_get_entry+0xaae/0x1120
[  628.848925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.854463]  ? check_preemption_disabled+0x48/0x280
[  628.859478]  ? filemap_map_pages+0x1a20/0x1a20
[  628.864066]  ? debug_smp_processor_id+0x1c/0x20
[  628.868736]  ? perf_trace_lock+0x14d/0x7a0
[  628.872980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  628.878518]  ? should_fail+0x22d/0xd01
[  628.882437]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  628.887541]  ? zap_class+0x640/0x640
[  628.891297]  ? __lock_is_held+0xb5/0x140
[  628.895373]  ? mark_held_locks+0x130/0x130
[  628.899612]  ? lock_release+0xa00/0xa00
[  628.903597]  ? perf_trace_sched_process_exec+0x860/0x860
[  628.909049]  ? xa_load+0x2ba/0x460
[  628.912600]  ? lock_downgrade+0x900/0x900
[  628.916773]  ? __might_sleep+0x95/0x190
[  628.920756]  __alloc_pages_nodemask+0xad8/0xea0
[  628.925433]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  628.930453]  ? __page_cache_alloc+0x191/0x5c0
[  628.934950]  ? xa_load+0x2e1/0x460
[  628.938495]  ? xa_clear_mark+0x40/0x40
[  628.942390]  ? zap_class+0x640/0x640
[  628.946113]  ? zap_class+0x640/0x640
[  628.949842]  ? zap_class+0x640/0x640
[  628.953570]  ? __do_page_cache_readahead+0x663/0x810
[  628.958680]  ? find_held_lock+0x36/0x1c0
[  628.962750]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  628.968313]  alloc_pages_current+0x173/0x350
[  628.972733]  __page_cache_alloc+0x38c/0x5c0
[  628.977056]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  628.981989]  ? kasan_check_read+0x11/0x20
[  628.986135]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  628.991420]  ? generic_perform_write+0x6a0/0x6a0
[  628.996178]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  629.001720]  ? check_preemption_disabled+0x48/0x280
[  629.006750]  filemap_fault+0x1595/0x25f0
[  629.011313]  ? __lock_page_or_retry+0xa00/0xa00
[  629.015984]  ? mark_held_locks+0x130/0x130
[  629.020226]  ? filemap_map_pages+0xd6b/0x1a20
[  629.024727]  ? lock_downgrade+0x900/0x900
[  629.028878]  ? check_preemption_disabled+0x48/0x280
[  629.033913]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  629.038841]  ? kasan_check_read+0x11/0x20
[  629.043019]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  629.048300]  ? rcu_softirq_qs+0x20/0x20
[  629.052294]  ? filemap_map_pages+0xd92/0x1a20
[  629.056805]  ? find_get_entries_tag+0x1400/0x1400
[  629.061650]  ? debug_object_destroy+0x2b0/0x2b0
[  629.066337]  ? lock_pi_update_atomic+0x150/0x150
[  629.071092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.076661]  ? lock_acquire+0x1ed/0x520
[  629.080655]  ? ext4_filemap_fault+0x7a/0xad
[  629.084998]  ? lock_release+0xa00/0xa00
[  629.088975]  ? perf_trace_sched_process_exec+0x860/0x860
[  629.094426]  ? print_usage_bug+0xc0/0xc0
[  629.098502]  ? print_usage_bug+0xc0/0xc0
[  629.102603]  ? down_read+0x8d/0x120
[  629.106233]  ? ext4_filemap_fault+0x7a/0xad
[  629.110586]  ? __down_interruptible+0x700/0x700
[  629.115304]  ext4_filemap_fault+0x82/0xad
[  629.119491]  __do_fault+0x100/0x6b0
[  629.123127]  ? pmd_devmap_trans_unstable+0x220/0x220
[  629.128248]  ? mark_held_locks+0x130/0x130
[  629.132490]  ? mark_held_locks+0x130/0x130
[  629.136731]  ? debug_smp_processor_id+0x1c/0x20
[  629.142464]  ? perf_trace_lock+0x14d/0x7a0
[  629.146712]  ? lock_downgrade+0x900/0x900
[  629.150866]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  629.156417]  __handle_mm_fault+0x3ea0/0x5be0
[  629.160840]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  629.165687]  ? lock_is_held_type+0x210/0x210
[  629.170101]  ? file_remove_privs+0x540/0x540
[  629.174515]  ? file_remove_privs+0x540/0x540
[  629.178968]  ? zap_class+0x640/0x640
[  629.182682]  ? zap_class+0x640/0x640
[  629.186395]  ? __x64_sys_futex+0x53e/0x6a0
[  629.190635]  ? find_held_lock+0x36/0x1c0
[  629.194725]  ? handle_mm_fault+0x42a/0xc70
[  629.198960]  ? lock_downgrade+0x900/0x900
[  629.203118]  ? check_preemption_disabled+0x48/0x280
[  629.208150]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  629.213081]  ? kasan_check_read+0x11/0x20
[  629.217231]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  629.222507]  ? rcu_softirq_qs+0x20/0x20
[  629.226506]  ? trace_hardirqs_off_caller+0x310/0x310
[  629.231615]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  629.237187]  ? check_preemption_disabled+0x48/0x280
[  629.242213]  handle_mm_fault+0x54f/0xc70
[  629.246278]  ? __handle_mm_fault+0x5be0/0x5be0
[  629.250873]  ? find_vma+0x34/0x190
[  629.254424]  __do_page_fault+0x5e8/0xe60
[  629.258484]  ? trace_hardirqs_off+0xb8/0x310
[  629.262951]  do_page_fault+0xf2/0x7e0
[  629.266751]  ? vmalloc_sync_all+0x30/0x30
[  629.270901]  ? error_entry+0x70/0xd0
[  629.274617]  ? trace_hardirqs_off_caller+0xbb/0x310
[  629.279633]  ? trace_hardirqs_on_caller+0xc0/0x310
[  629.284577]  ? syscall_return_slowpath+0x5e0/0x5e0
[  629.289506]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  629.294349]  ? trace_hardirqs_on_caller+0x310/0x310
[  629.299383]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  629.304837]  ? prepare_exit_to_usermode+0x291/0x3b0
[  629.309852]  ? page_fault+0x8/0x30
[  629.313396]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  629.318248]  ? page_fault+0x8/0x30
[  629.321807]  page_fault+0x1e/0x30
[  629.325276] RIP: 0033:0x45ddf3
[  629.328497] Code: Bad RIP value.
[  629.331861] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  629.337225] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  629.344511] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  629.351781] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  629.359050] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  629.366322] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000
[  629.373622] warn_alloc_show_mem: 1 callbacks suppressed
[  629.373634] CPU: 1 PID: 10189 Comm: syz-executor4 Not tainted 4.20.0-rc2+ #118
[  629.373637] Mem-Info:
[  629.373668] active_anon:147110 inactive_anon:190 isolated_anon:0
[  629.373668]  active_file:13 inactive_file:13 isolated_file:2
[  629.373668]  unevictable:1 dirty:0 writeback:0 unstable:0
[  629.373668]  slab_reclaimable:9259 slab_unreclaimable:1360772
[  629.373668]  mapped:49154 shmem:245 pagetables:1010 bounce:0
[  629.373668]  free:13705 free_pcp:247 free_cma:0
[  629.379009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  629.386373] Node 0 active_anon:588440kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB isolated(anon):0kB isolated(file):8kB mapped:196616kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 548864kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  629.388767] Call Trace:
[  629.421820] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  629.431164]  <IRQ>
[  629.458648] lowmem_reserve[]: 0 2818 6321 6321
[  629.461227]  dump_stack+0x244/0x39d
[  629.487306] Node 0 DMA32 free:25140kB min:30052kB low:37564kB high:45076kB active_anon:22584kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  629.489468]  ? dump_stack_print_info.cold.1+0x20/0x20
[  629.494020] lowmem_reserve[]: 0 0 3503 3503
[  629.497654]  warn_alloc.cold.116+0xb7/0x1bd
[  629.525290] Node 0 Normal free:13772kB min:37364kB low:46704kB high:56044kB active_anon:565856kB inactive_anon:760kB active_file:52kB inactive_file:52kB unevictable:4kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:4040kB bounce:0kB free_pcp:740kB local_pcp:492kB free_cma:0kB
[  629.530480]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  629.534778] lowmem_reserve[]: 0 0 0 0
[  629.539117]  ? lock_downgrade+0x900/0x900
[  629.567978] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  629.572829]  ? trace_hardirqs_off+0xb8/0x310
[  629.576604] Node 0 DMA32: 7*4kB (UM) 3*8kB (M) 2*16kB (M) 5*32kB (UM) 3*64kB (M) 3*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 4*4096kB (M) = 25140kB
[  629.580747]  ? trace_hardirqs_off+0xb8/0x310
[  629.594240] Node 0 Normal: 963*4kB (ME) 560*8kB (UME) 222*16kB (UME) 45*32kB (UM) 1*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13772kB
[  629.598645]  __alloc_pages_slowpath+0x2651/0x2de0
[  629.613711] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  629.618125]  ? warn_alloc+0x120/0x120
[  629.632649] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  629.637486]  ? warn_alloc+0x120/0x120
[  629.646297] 274 total pagecache pages
[  629.650092]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  629.658649] 0 pages in swap cache
[  629.662430]  ? warn_alloc+0x120/0x120
[  629.666209] Swap cache stats: add 0, delete 0, find 0/0
[  629.671213]  ? print_usage_bug+0xc0/0xc0
[  629.674647] Free swap  = 0kB
[  629.678444]  ? print_usage_bug+0xc0/0xc0
[  629.683788] Total swap = 0kB
[  629.687862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.690878] 1965979 pages RAM
[  629.694964]  ? check_preemption_disabled+0x48/0x280
[  629.697963] 0 pages HighMem/MovableOnly
[  629.703501]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  629.706597] 342854 pages reserved
[  629.711643]  ? should_fail+0x22d/0xd01
[  629.715596] 0 pages cma reserved
[  629.721129]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  629.724632] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  629.728443]  ? __lock_acquire+0x62f/0x4c20
[  629.728477]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  629.728492]  ? should_fail+0x22d/0xd01
[  629.731900] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  629.736949]  ? mark_held_locks+0x130/0x130
[  629.743409] syz-fuzzer cpuset=/ mems_allowed=0
[  629.747639]  ? mark_held_locks+0x130/0x130
[  629.779813]  ? print_usage_bug+0xc0/0xc0
[  629.783884]  ? find_held_lock+0x36/0x1c0
[  629.787951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.793492]  ? check_preemption_disabled+0x48/0x280
[  629.798511]  ? zap_class+0x640/0x640
[  629.802229]  ? debug_smp_processor_id+0x1c/0x20
[  629.806912]  ? perf_trace_lock+0x14d/0x7a0
[  629.811144]  ? check_preemption_disabled+0x48/0x280
[  629.816167]  ? lock_is_held_type+0x210/0x210
[  629.820608]  ? __lock_is_held+0xb5/0x140
[  629.824685]  __alloc_pages_nodemask+0xad8/0xea0
[  629.829357]  ? zap_class+0x640/0x640
[  629.833087]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  629.838117]  ? find_held_lock+0x36/0x1c0
[  629.842191]  ? ____cache_alloc_node+0x1c7/0x1e0
[  629.846866]  ? lock_downgrade+0x900/0x900
[  629.851024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.856596]  cache_grow_begin+0xa5/0x8c0
[  629.860664]  ? do_raw_spin_unlock+0xa7/0x330
[  629.865090]  fallback_alloc+0x204/0x2e0
[  629.869093]  ____cache_alloc_node+0x1c7/0x1e0
[  629.873610]  kmem_cache_alloc_node+0xe3/0x730
[  629.878106]  ? mark_held_locks+0xc7/0x130
[  629.882269]  __alloc_skb+0x119/0x770
[  629.885989]  ? netdev_alloc_frag+0x1f0/0x1f0
[  629.890401]  ? do_raw_spin_trylock+0x270/0x270
[  629.894990]  ? kmem_cache_alloc_trace+0x353/0x750
[  629.899840]  ? queue_work_on+0x12c/0x1e0
[  629.903911]  ? switchdev_port_obj_del+0xdc/0x440
[  629.908675]  ? switchdev_trans_item_enqueue+0x260/0x260
[  629.914050]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  629.919098]  __br_mdb_notify+0x4ff/0x15d0
[  629.923246]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  629.928364]  ? __br_mdb_add+0x7f0/0x7f0
[  629.932342]  ? mark_held_locks+0x130/0x130
[  629.936604]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  629.941740]  ? debug_object_assert_init+0x368/0x4b0
[  629.946761]  ? debug_object_init_on_stack+0x20/0x20
[  629.951779]  ? zap_class+0x640/0x640
[  629.955497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.961090]  br_mdb_notify+0x310/0x410
[  629.964986]  ? br_mdb_dump+0x27b0/0x27b0
[  629.969090]  br_multicast_del_pg+0x3df/0x790
[  629.973528]  ? br_mdb_ip_get+0x940/0x940
[  629.977597]  ? rwlock_bug.part.2+0x90/0x90
[  629.981838]  ? __lock_is_held+0xb5/0x140
[  629.985916]  br_multicast_port_group_expired+0x189/0x1e0
[  629.991373]  call_timer_fn+0x272/0x920
[  629.995283]  ? br_multicast_del_pg+0x790/0x790
[  629.999869]  ? process_timeout+0x40/0x40
[  630.003954]  ? __run_timers+0x7da/0xc70
[  630.007935]  ? _raw_spin_unlock_irq+0x27/0x80
[  630.012433]  ? _raw_spin_unlock_irq+0x27/0x80
[  630.016946]  ? br_multicast_del_pg+0x790/0x790
[  630.021529]  ? lockdep_hardirqs_on+0x296/0x5b0
[  630.026121]  ? trace_hardirqs_on+0xbd/0x310
[  630.030452]  ? kasan_check_read+0x11/0x20
[  630.034632]  ? __run_timers+0x7da/0xc70
[  630.038612]  ? trace_hardirqs_off_caller+0x310/0x310
[  630.043734]  ? br_multicast_del_pg+0x790/0x790
[  630.048329]  ? br_multicast_del_pg+0x790/0x790
[  630.052914]  __run_timers+0x7e5/0xc70
[  630.056729]  ? timer_fixup_init+0x70/0x70
[  630.060880]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  630.065931]  ? zap_class+0x640/0x640
[  630.069654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.075196]  ? check_preemption_disabled+0x48/0x280
[  630.080219]  ? debug_smp_processor_id+0x1c/0x20
[  630.084888]  ? perf_trace_lock+0x14d/0x7a0
[  630.089149]  ? find_held_lock+0x36/0x1c0
[  630.093215]  ? zap_class+0x640/0x640
[  630.096937]  ? pvclock_read_flags+0x160/0x160
[  630.101447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.106985]  ? check_preemption_disabled+0x48/0x280
[  630.112016]  ? __lock_is_held+0xb5/0x140
[  630.116088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.121628]  ? check_preemption_disabled+0x48/0x280
[  630.126653]  run_timer_softirq+0x52/0xb0
[  630.130715]  ? rcu_read_lock_sched_held+0x14f/0x180
[  630.135749]  __do_softirq+0x308/0xb7e
[  630.139578]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  630.144094]  ? lock_downgrade+0x900/0x900
[  630.148247]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  630.153358]  ? pvclock_read_flags+0x160/0x160
[  630.157856]  ? lapic_next_event+0x5a/0x90
[  630.162009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.167553]  ? kvm_clock_read+0x18/0x30
[  630.171543]  ? kvm_sched_clock_read+0x9/0x20
[  630.175965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.181510]  ? check_preemption_disabled+0x48/0x280
[  630.186536]  irq_exit+0x17f/0x1c0
[  630.190000]  smp_apic_timer_interrupt+0x1cb/0x760
[  630.194845]  ? smp_reschedule_interrupt+0x109/0x650
[  630.199866]  ? smp_call_function_single_interrupt+0x650/0x650
[  630.205756]  ? interrupt_entry+0xb5/0xc0
[  630.209825]  ? trace_hardirqs_off_caller+0xbb/0x310
[  630.214845]  ? trace_hardirqs_off_caller+0xbb/0x310
[  630.219865]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  630.224711]  ? trace_hardirqs_on_caller+0x310/0x310
[  630.229730]  ? trace_hardirqs_on_caller+0x310/0x310
[  630.234754]  ? task_prio+0x50/0x50
[  630.238296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.243834]  ? check_preemption_disabled+0x48/0x280
[  630.248858]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  630.253710]  apic_timer_interrupt+0xf/0x20
[  630.257943]  </IRQ>
[  630.260184] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  630.265113] Code: 7e 0f 85 cf fe ff ff e8 b6 fb 3d ff e9 c5 fe ff ff e8 5d 31 c3 ff 48 83 3d f5 79 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a b1
[  630.284012] RSP: 0000:ffff888145617738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  630.291717] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  630.298986] RDX: 0000000000000000 RSI: ffff88819eb88f40 RDI: 0000000000000286
[  630.306255] RBP: ffff8881456177a0 R08: ffff88819eb886c0 R09: 0000000000000000
[  630.313519] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  630.320786] R13: ffff8881d9bdcc00 R14: ffff8881d9bdcc00 R15: 0000000000480020
[  630.328099]  skb_clone+0x1bb/0x500
[  630.331643]  ? skb_split+0x11e0/0x11e0
[  630.335534]  ? debug_smp_processor_id+0x1c/0x20
[  630.340216]  ? perf_trace_lock+0x14d/0x7a0
[  630.344448]  ? __switch_to_asm+0x34/0x70
[  630.348506]  ? __switch_to_asm+0x40/0x70
[  630.352573]  ? __switch_to_asm+0x40/0x70
[  630.356636]  ? __switch_to_asm+0x34/0x70
[  630.360711]  bpf_clone_redirect+0xb9/0x490
[  630.364957]  bpf_prog_e113bbc17aa3fb19+0xfb/0x1000
[  630.369907]  ? __sched_text_start+0x8/0x8
[  630.374075]  ? find_held_lock+0x36/0x1c0
[  630.378146]  ? lock_acquire+0x1ed/0x520
[  630.382123]  ? bpf_test_run+0x3cb/0x780
[  630.386102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.391641]  ? check_preemption_disabled+0x48/0x280
[  630.396663]  ? kasan_check_read+0x11/0x20
[  630.400816]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  630.406111]  ? rcu_softirq_qs+0x20/0x20
[  630.410090]  ? preempt_schedule+0x4d/0x60
[  630.414242]  ? ___preempt_schedule+0x16/0x18
[  630.418663]  ? bpf_test_run+0x25d/0x780
[  630.422655]  ? netlink_diag_dump+0x2a0/0x2a0
[  630.427089]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  630.432638]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  630.437420]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  630.442275]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  630.447814]  ? fput+0x130/0x1a0
[  630.451123]  ? __bpf_prog_get+0x9b/0x290
[  630.455219]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  630.460072]  ? bpf_prog_test_run+0x130/0x1a0
[  630.464483]  ? __x64_sys_bpf+0x3d8/0x520
[  630.468543]  ? bpf_prog_get+0x20/0x20
[  630.472386]  ? do_syscall_64+0x1b9/0x820
[  630.476447]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  630.481829]  ? syscall_return_slowpath+0x5e0/0x5e0
[  630.486759]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  630.491623]  ? trace_hardirqs_on_caller+0x310/0x310
[  630.496643]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  630.501664]  ? prepare_exit_to_usermode+0x291/0x3b0
[  630.506688]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  630.511541]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  630.516934] CPU: 0 PID: 6052 Comm: syz-fuzzer Not tainted 4.20.0-rc2+ #118
[  630.517111] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  630.523972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  630.534471] syz-executor4 cpuset=syz4 mems_allowed=0
[  630.543822] Call Trace:
[  630.551500]  <IRQ>
[  630.553653]  dump_stack+0x244/0x39d
[  630.557299]  ? dump_stack_print_info.cold.1+0x20/0x20
[  630.562501]  warn_alloc.cold.116+0xb7/0x1bd
[  630.566828]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  630.571678]  ? lock_downgrade+0x900/0x900
[  630.575866]  ? trace_hardirqs_off+0xb8/0x310
[  630.580283]  ? trace_hardirqs_off+0xb8/0x310
[  630.584700]  __alloc_pages_slowpath+0x2651/0x2de0
[  630.589587]  ? warn_alloc+0x120/0x120
[  630.593391]  ? print_usage_bug+0xc0/0xc0
[  630.597452]  ? warn_alloc+0x120/0x120
[  630.601255]  ? debug_smp_processor_id+0x1c/0x20
[  630.605925]  ? warn_alloc+0x120/0x120
[  630.609731]  ? print_usage_bug+0xc0/0xc0
[  630.613799]  ? print_usage_bug+0xc0/0xc0
[  630.617878]  ? __lock_acquire+0x62f/0x4c20
[  630.622132]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  630.627671]  ? should_fail+0x22d/0xd01
[  630.631592]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  630.636731]  ? __lock_acquire+0x62f/0x4c20
[  630.640975]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  630.646096]  ? __lock_acquire+0x62f/0x4c20
[  630.650326]  ? should_fail+0x22d/0xd01
[  630.654212]  ? find_held_lock+0x36/0x1c0
[  630.658303]  ? mark_held_locks+0x130/0x130
[  630.662547]  ? mark_held_locks+0x130/0x130
[  630.666800]  ? perf_trace_lock+0x14d/0x7a0
[  630.671039]  ? zap_class+0x640/0x640
[  630.674758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.680302]  ? check_preemption_disabled+0x48/0x280
[  630.685314]  ? zap_class+0x640/0x640
[  630.689037]  ? debug_smp_processor_id+0x1c/0x20
[  630.693704]  ? perf_trace_lock+0x14d/0x7a0
[  630.697991]  ? check_preemption_disabled+0x48/0x280
[  630.703014]  ? lock_is_held_type+0x210/0x210
[  630.707422]  ? __lock_is_held+0xb5/0x140
[  630.711495]  __alloc_pages_nodemask+0xad8/0xea0
[  630.716161]  ? zap_class+0x640/0x640
[  630.719914]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  630.724960]  ? find_held_lock+0x36/0x1c0
[  630.729046]  ? ____cache_alloc_node+0x1c7/0x1e0
[  630.733733]  ? lock_downgrade+0x900/0x900
[  630.737888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.743432]  cache_grow_begin+0xa5/0x8c0
[  630.747493]  ? do_raw_spin_unlock+0xa7/0x330
[  630.751914]  fallback_alloc+0x204/0x2e0
[  630.755901]  ____cache_alloc_node+0x1c7/0x1e0
[  630.760405]  kmem_cache_alloc_node+0xe3/0x730
[  630.764907]  ? ipv6_get_ifaddr+0x42e/0x620
[  630.769168]  __alloc_skb+0x119/0x770
[  630.772880]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  630.778162]  ? netdev_alloc_frag+0x1f0/0x1f0
[  630.782593]  ? lock_downgrade+0x900/0x900
[  630.786765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.792305]  ? refcount_sub_and_test_checked+0x203/0x310
[  630.797774]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  630.803226]  ? addrconf_rs_timer+0x690/0x690
[  630.807676]  ndisc_alloc_skb+0x144/0x340
[  630.811744]  ndisc_send_rs+0x331/0x6e0
[  630.815652]  addrconf_rs_timer+0x314/0x690
[  630.819905]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  630.824162]  call_timer_fn+0x272/0x920
[  630.828072]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  630.832323]  ? process_timeout+0x40/0x40
[  630.836394]  ? mark_held_locks+0xc7/0x130
[  630.840543]  ? _raw_spin_unlock_irq+0x27/0x80
[  630.845050]  ? _raw_spin_unlock_irq+0x27/0x80
[  630.849544]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  630.853793]  ? lockdep_hardirqs_on+0x296/0x5b0
[  630.858378]  ? trace_hardirqs_on+0xbd/0x310
[  630.862701]  ? kasan_check_read+0x11/0x20
[  630.866848]  ? __run_timers+0x7da/0xc70
[  630.870827]  ? trace_hardirqs_off_caller+0x310/0x310
[  630.875940]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  630.880184]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  630.884418]  __run_timers+0x7e5/0xc70
[  630.888235]  ? timer_fixup_init+0x70/0x70
[  630.892384]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  630.897416]  ? zap_class+0x640/0x640
[  630.901132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.906688]  ? print_usage_bug+0xc0/0xc0
[  630.910755]  ? debug_smp_processor_id+0x1c/0x20
[  630.915437]  ? perf_trace_lock+0x14d/0x7a0
[  630.919722]  ? find_held_lock+0x36/0x1c0
[  630.923791]  ? zap_class+0x640/0x640
[  630.927515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.933053]  ? check_preemption_disabled+0x48/0x280
[  630.938086]  ? __lock_is_held+0xb5/0x140
[  630.942153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.947708]  ? check_preemption_disabled+0x48/0x280
[  630.952737]  run_timer_softirq+0x52/0xb0
[  630.956800]  ? rcu_read_lock_sched_held+0x14f/0x180
[  630.961823]  __do_softirq+0x308/0xb7e
[  630.965631]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  630.970127]  ? lock_downgrade+0x900/0x900
[  630.974280]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  630.979411]  ? pvclock_read_flags+0x160/0x160
[  630.983909]  ? lapic_next_event+0x5a/0x90
[  630.988094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.993642]  ? kvm_clock_read+0x18/0x30
[  630.997618]  ? kvm_sched_clock_read+0x9/0x20
[  631.002027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.007582]  ? check_preemption_disabled+0x48/0x280
[  631.013124]  irq_exit+0x17f/0x1c0
[  631.016594]  smp_apic_timer_interrupt+0x1cb/0x760
[  631.021436]  ? smp_reschedule_interrupt+0x109/0x650
[  631.026454]  ? smp_call_function_single_interrupt+0x650/0x650
[  631.032344]  ? interrupt_entry+0xb5/0xc0
[  631.036408]  ? trace_hardirqs_off_caller+0xbb/0x310
[  631.041426]  ? trace_hardirqs_off_caller+0xbb/0x310
[  631.046441]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  631.051287]  ? trace_hardirqs_on_caller+0x310/0x310
[  631.056300]  ? trace_hardirqs_on_caller+0x310/0x310
[  631.061330]  ? task_prio+0x50/0x50
[  631.064901]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  631.070470]  ? check_preemption_disabled+0x48/0x280
[  631.075493]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  631.080361]  apic_timer_interrupt+0xf/0x20
[  631.084592]  </IRQ>
[  631.086830] RIP: 0010:console_unlock+0x102f/0x1190
[  631.091763] Code: 70 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d d1 77 ec 07 00 74 25 e8 4a 07 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 4f 56 5d 00 e9 f2 fb ff
[  631.110668] RSP: 0000:ffff8881b2d25e40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  631.118394] RAX: ffff8881c30ae280 RBX: 0000000000000200 RCX: 1ffff11038615d73
[  631.125667] RDX: 0000000000000000 RSI: ffffffff816583a6 RDI: 0000000000000293
[  631.132934] RBP: ffff8881b2d25fb0 R08: ffff8881c30aeb98 R09: 0000000000000006
[  631.140203] R10: 0000000000000000 R11: ffff8881c30ae280 R12: dffffc0000000000
[  631.147593] R13: ffffffff849ca5e0 R14: dffffc0000000000 R15: ffffffff89b63570
[  631.154868]  ? netconsole_netdev_event+0x280/0x280
[  631.159824]  ? console_unlock+0x1026/0x1190
[  631.164178]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  631.168849]  ? vprintk_emit+0x846/0x990
[  631.172829]  ? lock_release+0xa00/0xa00
[  631.176810]  ? trace_hardirqs_on+0x30/0x310
[  631.181146]  ? vprintk_default+0x28/0x30
[  631.185223]  ? trace_hardirqs_off_caller+0x310/0x310
[  631.190327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.195872]  vprintk_emit+0x391/0x990
[  631.199681]  ? wake_up_klogd+0x180/0x180
[  631.203750]  ? find_held_lock+0x31/0x1c0
[  631.207824]  ? mark_held_locks+0xc7/0x130
[  631.211988]  ? _raw_spin_unlock_irq+0x27/0x80
[  631.216500]  ? _raw_spin_unlock_irq+0x27/0x80
[  631.221004]  vprintk_default+0x28/0x30
[  631.224894]  vprintk_func+0x7e/0x181
[  631.228610]  printk+0xa7/0xcf
[  631.231726]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  631.236483]  ? _raw_spin_unlock_irq+0x60/0x80
[  631.240997]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  631.246281]  dump_header+0x7cc/0xf72
[  631.250017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.255554]  ? check_preemption_disabled+0x48/0x280
[  631.260625]  ? pagefault_out_of_memory+0x197/0x197
[  631.265600]  ? debug_smp_processor_id+0x1c/0x20
[  631.270288]  ? perf_trace_lock+0x14d/0x7a0
[  631.274525]  ? mark_held_locks+0x130/0x130
[  631.278833]  ? lock_is_held_type+0x210/0x210
[  631.283258]  ? debug_smp_processor_id+0x1c/0x20
[  631.287945]  ? zap_class+0x640/0x640
[  631.291664]  ? lock_is_held_type+0x210/0x210
[  631.296070]  ? perf_trace_lock+0x14d/0x7a0
[  631.300314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.305857]  ? find_held_lock+0x36/0x1c0
[  631.309929]  ? mark_held_locks+0xc7/0x130
[  631.314078]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  631.319180]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  631.324302]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  631.328888]  ? trace_hardirqs_on+0xbd/0x310
[  631.333210]  ? kasan_check_read+0x11/0x20
[  631.337360]  ? ___ratelimit+0x3b4/0x672
[  631.341337]  ? trace_hardirqs_off_caller+0x310/0x310
[  631.346460]  ? trace_hardirqs_on+0x310/0x310
[  631.350900]  ? lock_downgrade+0x900/0x900
[  631.355083]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  631.360195]  ? ___ratelimit+0x3b9/0x672
[  631.364172]  ? idr_get_free+0xf70/0xf70
[  631.368148]  ? lock_is_held_type+0x210/0x210
[  631.372605]  oom_kill_process.cold.27+0x10/0x903
[  631.377364]  ? zap_class+0x640/0x640
[  631.381079]  ? _raw_spin_unlock+0x2c/0x50
[  631.385227]  ? oom_badness+0xe6/0xaa0
[  631.389047]  ? oom_evaluate_task+0x540/0x540
[  631.393463]  ? find_held_lock+0x36/0x1c0
[  631.397533]  ? out_of_memory+0x974/0x1430
[  631.401699]  ? lock_downgrade+0x900/0x900
[  631.405852]  ? check_preemption_disabled+0x48/0x280
[  631.410873]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  631.415803]  ? kasan_check_read+0x11/0x20
[  631.419969]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  631.425250]  ? rcu_softirq_qs+0x20/0x20
[  631.429233]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  631.434247]  ? oom_evaluate_task+0x302/0x540
[  631.438659]  out_of_memory+0xa84/0x1430
[  631.442646]  ? oom_killer_disable+0x3a0/0x3a0
[  631.447139]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  631.452106]  ? __ww_mutex_check_waiters+0x160/0x160
[  631.457135]  __alloc_pages_slowpath+0x232c/0x2de0
[  631.462008]  ? warn_alloc+0x120/0x120
[  631.465809]  ? mark_held_locks+0x130/0x130
[  631.470057]  ? find_get_entry+0xaae/0x1120
[  631.474307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.479846]  ? check_preemption_disabled+0x48/0x280
[  631.484863]  ? filemap_map_pages+0x1a20/0x1a20
[  631.489472]  ? debug_smp_processor_id+0x1c/0x20
[  631.494143]  ? perf_trace_lock+0x14d/0x7a0
[  631.498420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  631.503961]  ? should_fail+0x22d/0xd01
[  631.507870]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  631.512971]  ? zap_class+0x640/0x640
[  631.516710]  ? __lock_is_held+0xb5/0x140
[  631.520779]  ? mark_held_locks+0x130/0x130
[  631.525018]  ? lock_release+0xa00/0xa00
[  631.528995]  ? perf_trace_sched_process_exec+0x860/0x860
[  631.534444]  ? xa_load+0x2ba/0x460
[  631.538004]  ? lock_downgrade+0x900/0x900
[  631.542159]  ? __might_sleep+0x95/0x190
[  631.546137]  __alloc_pages_nodemask+0xad8/0xea0
[  631.550820]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  631.555848]  ? __page_cache_alloc+0x191/0x5c0
[  631.560343]  ? xa_load+0x2e1/0x460
[  631.563885]  ? xa_clear_mark+0x40/0x40
[  631.567773]  ? zap_class+0x640/0x640
[  631.571499]  ? zap_class+0x640/0x640
[  631.575214]  ? zap_class+0x640/0x640
[  631.578927]  ? __do_page_cache_readahead+0x663/0x810
[  631.584050]  ? find_held_lock+0x36/0x1c0
[  631.588120]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  631.593665]  alloc_pages_current+0x173/0x350
[  631.598081]  __page_cache_alloc+0x38c/0x5c0
[  631.602399]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  631.607341]  ? kasan_check_read+0x11/0x20
[  631.611484]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  631.616766]  ? generic_perform_write+0x6a0/0x6a0
[  631.621522]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  631.627059]  ? check_preemption_disabled+0x48/0x280
[  631.632096]  filemap_fault+0x1595/0x25f0
[  631.636185]  ? __lock_page_or_retry+0xa00/0xa00
[  631.640870]  ? mark_held_locks+0x130/0x130
[  631.645119]  ? filemap_map_pages+0xd6b/0x1a20
[  631.649616]  ? lock_downgrade+0x900/0x900
[  631.653765]  ? check_preemption_disabled+0x48/0x280
[  631.658783]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  631.663714]  ? kasan_check_read+0x11/0x20
[  631.667866]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  631.673144]  ? rcu_softirq_qs+0x20/0x20
[  631.677134]  ? filemap_map_pages+0xd92/0x1a20
[  631.681644]  ? find_get_entries_tag+0x1400/0x1400
[  631.686503]  ? debug_object_destroy+0x2b0/0x2b0
[  631.691206]  ? lock_pi_update_atomic+0x150/0x150
[  631.695967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.701525]  ? lock_acquire+0x1ed/0x520
[  631.705511]  ? ext4_filemap_fault+0x7a/0xad
[  631.709855]  ? lock_release+0xa00/0xa00
[  631.713875]  ? perf_trace_sched_process_exec+0x860/0x860
[  631.719341]  ? print_usage_bug+0xc0/0xc0
[  631.723400]  ? print_usage_bug+0xc0/0xc0
[  631.727473]  ? down_read+0x8d/0x120
[  631.731097]  ? ext4_filemap_fault+0x7a/0xad
[  631.735425]  ? __down_interruptible+0x700/0x700
[  631.740121]  ext4_filemap_fault+0x82/0xad
[  631.744267]  __do_fault+0x100/0x6b0
[  631.747901]  ? pmd_devmap_trans_unstable+0x220/0x220
[  631.753008]  ? mark_held_locks+0x130/0x130
[  631.757257]  ? mark_held_locks+0x130/0x130
[  631.761499]  ? debug_smp_processor_id+0x1c/0x20
[  631.766170]  ? perf_trace_lock+0x14d/0x7a0
[  631.770405]  ? lock_downgrade+0x900/0x900
[  631.774574]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  631.780152]  __handle_mm_fault+0x3ea0/0x5be0
[  631.784586]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  631.789435]  ? lock_is_held_type+0x210/0x210
[  631.793865]  ? file_remove_privs+0x540/0x540
[  631.798270]  ? file_remove_privs+0x540/0x540
[  631.802702]  ? zap_class+0x640/0x640
[  631.806420]  ? zap_class+0x640/0x640
[  631.810134]  ? __x64_sys_futex+0x53e/0x6a0
[  631.814406]  ? find_held_lock+0x36/0x1c0
[  631.818483]  ? handle_mm_fault+0x42a/0xc70
[  631.822722]  ? lock_downgrade+0x900/0x900
[  631.826873]  ? check_preemption_disabled+0x48/0x280
[  631.831893]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  631.836821]  ? kasan_check_read+0x11/0x20
[  631.840974]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  631.846270]  ? rcu_softirq_qs+0x20/0x20
[  631.850245]  ? trace_hardirqs_off_caller+0x310/0x310
[  631.855352]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  631.860889]  ? check_preemption_disabled+0x48/0x280
[  631.865934]  handle_mm_fault+0x54f/0xc70
[  631.870045]  ? __handle_mm_fault+0x5be0/0x5be0
[  631.874638]  ? find_vma+0x34/0x190
[  631.878187]  __do_page_fault+0x5e8/0xe60
[  631.882249]  ? trace_hardirqs_off+0xb8/0x310
[  631.886669]  do_page_fault+0xf2/0x7e0
[  631.890470]  ? vmalloc_sync_all+0x30/0x30
[  631.894632]  ? error_entry+0x70/0xd0
[  631.898346]  ? trace_hardirqs_off_caller+0xbb/0x310
[  631.903365]  ? trace_hardirqs_on_caller+0xc0/0x310
[  631.908294]  ? syscall_return_slowpath+0x5e0/0x5e0
[  631.913221]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  631.918066]  ? trace_hardirqs_on_caller+0x310/0x310
[  631.923080]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  631.928595]  ? prepare_exit_to_usermode+0x291/0x3b0
[  631.933652]  ? page_fault+0x8/0x30
[  631.937200]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  631.942047]  ? page_fault+0x8/0x30
[  631.945611]  page_fault+0x1e/0x30
[  631.949070] RIP: 0033:0x45ddf3
[  631.952269] Code: Bad RIP value.
[  631.955666] RSP: 002b:000000c42001eea0 EFLAGS: 00010202
[  631.961095] RAX: ffffffffffffff92 RBX: 000000003b980b34 RCX: 000000000045ddf3
[  631.968362] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  631.975641] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000
[  631.982906] R10: 000000c42001eed8 R11: 0000000000000202 R12: 0000000000000001
[  631.990171] R13: 000000c43cde6540 R14: 0000000000000001 R15: 0000000000000000